What is the factorial of 1398? (1398!) 1398 Factorial

What is the factorial of 1398?

Here we will show you how to calculate the factorial of 1398 (aka 1398 factorial) and give you the approximate scientific notation answer and the exact answer.

Before we begin, note that the factorial of 1398 can be written as 1398 followed by an exclamation mark like this: 1398!

Factorial of 1398 means that you multiply 1398 by every number below it. Therefore, you calculate the factorial of 1398 by multiplying 1398 by 1397, then by 1396, and so on all the way down to 1. In other words, we calculate 1398 × 1397 × 1396 × ... × 1 to get 1398 factorial.

The answer to 1398 factorial (1398!) contains 3793 digits and we have listed the exact entire answer at the bottom of this page. However, below is the approximate scientific notation answer to 1398 factorial:

1.7668892876 × 10³⁷⁹²

The answer above is also sometimes written as 1.7668892876e+3792. Regardless, it means that the approximate answer to 1398! is 17668892876 followed by 3782 more digits.

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Like we promised, below is the exact answer to 1398 factorial (1398!) with all 3793 digits:

1766889287625748758479853131512406838321442571633567146930376003078137678016782535839659995767524425050184562774214615984561166486609299120213408707329283525508254443559496153262910935394641057585947681868451558563958930501650053811360898471989072375214775706443017808703849882903056686527386871951152992577943954337691760350680308806169839252933993162870137821423733904874338084907647010228623109853685013146070951684581962664197708959931992948208481195168969810754765458493033103339286186273896919999227155275529704405405485571464046555658259742124978320208836419825404223700292280476173752437554753118321855098768141541914679214270830882065954462762022105793089319873006026574537916707718394258247945240800659894652574909993111055672270393777145859898739549228805280715789024946617966355508854747050379089503200304366496239321396747902057807544057346616847688877495424626090576246882560518337719833128426469990813378922581341969887074678077515917604612443413518287300308095221085865186702160928183946800394417673272881657622223962786194402236112796823301353808762139149356810325220969148614649380410573645694612088267500501320094202398410324810281668475968052609968544088483468413005554869739776635979642880781605615263508628509988758696182436055876893965034668979355619357684640344388113345591467972289042943365049955192631991648449589064985738773349348260405766570452202146001634295947088473761001435020919795659825310171838082919009593369429971413712507189991772145737403659235356938252231406040350480189702482545445504385451949397812334604270518290409915373918783091095967288333276814348034879975069474458251326453720398086582977625259641942635391982588116734270029285380209716379049658704012710597636512693986562696339773190496415987450253018385744188786264070272856458930280088809936758384417668788497812727462583496602395525636007767101249840016707419307779166902143201209874153774884927784162233362236242339049579815506873027202044859942089271369493115200753668474563618285642383166901906886226122872774087173842921763096364276965386802737290967218506797445504063162723801960803553544233008555603297208568146242481232378958075110591032572611773618970632019179903190346761883446903731351491276820539751850742254556111479313528266712085999676883546458826911095468741001969774762256599417158313229030159217232493312932383112007738687088525749082521565403555671032691499321751532275822446329184523331501359470093619043740418549174300085907255122953210294151574471577035216573753233804237737283385418970059085574763611843377836950664481165454682846892198638369239784619978718102042042774847149150110865770919255914646210057222887047092761568202667371539916428570405452527526536306931810419281650674445066966633542401945689060721998514538429405371445714732184758737682199809900684676386481682650180917965533955135798927216475974412672915820452265445438756627296685244767081123893416736379207964355747661709818831133376058116667936027507192971791569423388319893695761125036863173890740918990077037423973189754129699576462617340193477058696685249812303261924829945948077249668597238182503897025512537032521160142533388813618172627021347893434700882817046287357272977373152380713770070080220171064994569135375971215701799163387572071683732041214299272509469518056134762496916018932245503005637399922955611185954332757743517464682318975187763764723045144025522927983112879887221687940472008335066580189569031985094313261221927854582629895923302400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

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