What is the factorial of 989? (989!) 989 Factorial

What is the factorial of 989?

Here we will show you how to calculate the factorial of 989 (aka 989 factorial) and give you the approximate scientific notation answer and the exact answer.

Before we begin, note that the factorial of 989 can be written as 989 followed by an exclamation mark like this: 989!

Factorial of 989 means that you multiply 989 by every number below it. Therefore, you calculate the factorial of 989 by multiplying 989 by 988, then by 987, and so on all the way down to 1. In other words, we calculate 989 × 988 × 987 × ... × 1 to get 989 factorial.

The answer to 989 factorial (989!) contains 2535 digits and we have listed the exact entire answer at the bottom of this page. However, below is the approximate scientific notation answer to 989 factorial:

4.2522076161 × 10²⁵³⁴

The answer above is also sometimes written as 4.2522076161e+2534. Regardless, it means that the approximate answer to 989! is 42522076161 followed by 2524 more digits.

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Like we promised, below is the exact answer to 989 factorial (989!) with all 2535 digits:

425220761610961330056506103369759366806384259949240324994004374432170874030968535412306381353057874724489239276845975013708081757632771274693661096912548222724808630414939888997714745147994133966655871994346414883985484494944482456003098103429191918660347147072027325771854035943209436400269194499931121681275288184075536527633028236382031963975262775133877096854365739340519060542301346671420839514029389217291132551289033006639057370264230988368547390787040812944876519741183781677443647864658961526792231296127668185222511897809663531164264426034870740225087361808318492017216602389837936616362226833330711089645250069465642655335135293249790350584690881097966969995221886560592803300219660093379316663854240746774927586790545507947333168726811081019018486958456719554835131467831208714225188451436760211387176395190774618202647644434483234738536021959442470002947341589507882377090090193778119129221420647773752345605231549738023730935820721857153733430223517205863482362675503784458176002907284919837967763663856406323625645992425582502396313197119169982050559963753866769958175236361053462697439645492316827385774161545526073928311561994964277556055280846437261060517498863857614752548646272515660722352573245092891615211371443715705865204787761898546264826444299544406338993817002770836340138582976526276029572064226200043660619376588512644435808856303983213218086058651805449042450658144763921464190783716255993012808450518781723053533829242464336511446211661738490452914817548424529266394957564444539743037277691701093220715716171206315843561869128589419427442804525177098964990012160324334392920238606876443318444393034875537823189957428692724184002851551615043005881138596460889549644973370549398935811195754945073412153469970966278969666321022394996909904898043191512815302113593203726327662318694333835539675905345464632113659414237394032390875186457539331131012176014908698019112835770784265681619335028094178256789537148322819599255924628632184733338031209089343262806976445550139749041340600877979032114410783635491455699947060529967445577171803315356615181738993373545006659400662354822058068038925268619884087299551629884929846998098584758072338265338740738412628372731082769725641259200294193092228949817709896623838066723972198188765953711723918209270802281366862367293440000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

What is the factorial of 990?
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