Here we will show you how to calculate the factorial of 491 (aka 491 factorial) and give you the approximate scientific notation answer and the exact answer.
Before we begin, note that the factorial of 491 can be written as 491 followed by an exclamation mark like this: 491!
Factorial of 491 means that you multiply 491 by every number below it. Therefore, you calculate the factorial of 491 by multiplying 491 by 490, then by 489, and so on all the way down to 1. In other words, we calculate 491 × 490 × 489 × ... × 1 to get 491 factorial.
The answer to 491 factorial (491!) contains 1110 digits and we have listed the exact entire answer at the bottom of this page. However, below is the approximate scientific notation answer to 491 factorial:
6.7162430982 × 101109
The answer above is also sometimes written as 6.7162430982e+1109. Regardless, it means that the approximate answer to 491! is 67162430982 followed by 1099 more digits.
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Like we promised, below is the exact answer to 491 factorial (491!) with all 1110 digits:
671624309829770857145538943290278777587873887463121298952417474629282796761198568705901052290179311812349054552437955668425342485505600026400052437071214248683381868193503165772920122522762127063680888031279648873190822287471869775155393525075749505435882042680380526921391270819236221093302894673979121122643611712152582964298727058718345845784355976897571657812685162776491101947455562126039830325270348496948552308546025499021005970524757106465135151782824226517231625868788336472137618823910401362676786965981412113972377266834914718318166221457209531117322456497891208766110717519614656567940762431982495500890097859572356163314251744355921755717704731162724497844570213735005362907547631832114762516900216421770297365514223596238378286378497255803205844287730299690098837370682912839947926990212510381715896095382700607244930090990821180833311954566865237557783002480667893963288362819595982747224607730038169913477207004817156150333311373119823012855424168721485594683924184725192704000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
What is the factorial of 492?
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