What is the factorial of 1987? (1987!) 1987 Factorial

What is the factorial of 1987?

Here we will show you how to calculate the factorial of 1987 (aka 1987 factorial) and give you the approximate scientific notation answer and the exact answer.

Before we begin, note that the factorial of 1987 can be written as 1987 followed by an exclamation mark like this: 1987!

Factorial of 1987 means that you multiply 1987 by every number below it. Therefore, you calculate the factorial of 1987 by multiplying 1987 by 1986, then by 1985, and so on all the way down to 1. In other words, we calculate 1987 × 1986 × 1985 × ... × 1 to get 1987 factorial.

The answer to 1987 factorial (1987!) contains 5693 digits and we have listed the exact entire answer at the bottom of this page. However, below is the approximate scientific notation answer to 1987 factorial:

4.2095288196 × 10⁵⁶⁹²

The answer above is also sometimes written as 4.2095288196e+5692. Regardless, it means that the approximate answer to 1987! is 42095288196 followed by 5682 more digits.

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Like we promised, below is the exact answer to 1987 factorial (1987!) with all 5693 digits:

42095288196348060483850267198787129016820374480254970589774127398974371402358785302900137194027656556799238116233511000334077719961823965561501997410545753743432526234862520272015301589045856761869756426350198258655063392920027277159245976159154908131113836643718131627767970125475095482209271213214288913559822207044968104404212102456100745716255757854897106909183983083194910283287059203870489148387970322923114629548493104702667875628933722852422064424003588236370055295925570013073165011992859903661815939760180133688285621103782092463894691869241080401506188435398433724456835971932395593363647149889956746779538177924068395052849917304626336567484119799394493160082882651729023471809181537975064498026475043373049506175834690874251145702470567043494037602053340161143440282426014563676002409367810301755514071677422270088549524409424151346388357916587106647771057927735268641623792151503531119651661194778308487719202895908204201635971908749191583097873092016776785235068928494879479739135764741193463798471016875808667882740942383270719711643940682317091201638054704379248437510509810075944123075730513277484311310643372913082358430407094215640771898192268041438720555768172476879124203343678034851516542167800721400088031809443450775441007222713114455304641977963837835935268533721836256896988553969738164799350442253683313785552905489251734922966858427856943979938974647542199825119903900770264205647893666281801750125672683191493643199293396807691838822369169831475796987888968441043904038279360752869170805188280101594584344153224901731907885344232390784442566519207377340489369962052579485085827745336016413868035344833947795272661788313403642488620013984025023315635342354809867106499594593734334782828227022744658124935301412505099148943875008096783830420399106167698458985657327514750343734344248143640055058863723337347709327777530404820810313214056996444078384712752586397072185198454039388454187547069626387118523602212637518185163954137965768639167777817203094507734952382472549717052923566945181884197765697486492864279483522495046213500506060205823316124940745120069759299926150515544720277295245443343704593137141892519851829880071104074353026540998042350723904946482392885634364310612089098709455503657880792831439018245874385556107184669749712274543340474457414849395425838188573218104415917905880549651816061511738143250261009040020946179444785645201701259702145725055270336229388027007851291663479142996514461548193094471986837511759804826125916141402912324772572581965531032945838581729979017030070189042005732737875404353336314643657855204701587273376201573119400449386885595807015374999705238717827540979710971126496695651300717831687910185708170120203450573771073212299744370843955250706377129535774914274063791675212265873074607371637487876471020148138789039701234521350621354602266578681203725026539852308598113067332972521960015788088345434352007925559319440065825764496444396043980744938275131751038002125538443141273289993181689467721846606108035272911256759557657110365814074940267803920119416619886139149032023082502182698886691064345366100539109405932395913511154016189972332642292646047657135584575049443557645299421174399178183308554468533100201527179466936467859267263927364895391104608605402328144214135055214806759137265505294584412472303844589913244721597065213387692944681938429703745955995355058079435284374694805899851928065062063379872362722547674794403717239068968026965386851376186319668184891829908622697317460897045374434816638970491478776424976834004377416498532453730491573952140779825683990192669938280740130435481212258185643884530075510175689666429924082552211721419112348727119217443053882117373511571013133836575101175431419751540235121007318634670018742632348212471145600975562931892816801976707209339899252282190009361966841157479878292306176630694257018679178850166098273251152521846204751160295785464822882542060810715881047396459098050731963009542554160652386243424839042717810368674082340516183064805666543261408031718226608484731738347767434161853967393386958047374109584543402685019425920631907447128383507615186788762698124686733861197042132666891806612660945084419942871498613558114074714033128894161153450945940395972983467595065987929630150333767453012070424060722189606657578394101464153161767986953555531153102266360677108512417931056851870581247477539486824773502625529535765861270608082932213339227302417583606375279184638881894413523788413428990528358232753430881738905798070876671496330414080136498388639515619245924664956014280065063375511072629197335661623487789408870666125789409795452575236736711643017404621699828038746654403570078274531758903857079197403814263113922311084813939532544597432029624655191652015481004911614061336509654593002872823837219072897671595868133951318953684121214667917693382804692250687035808202911558830997455599371311828738986107747512183306268790172867919920682328457811119431270446494984004590194569219105070861589969479397316598079075269042020748349160919645728039909670947866150148382165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