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Grade: Upto college level
        

Find the number of digits in the number after expansion of 100!

10 years ago

Answers : (1)

askiitianexpert arulmani
6 Points
							

Big factorials are approximated using Stirling's (approximation) formula,

Using which, 100! ~= (√2∏100)*((100/e)^100) ~= 158 digits

 

10 years ago
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