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sudarshan gupta Grade: Upto college level
        

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

7 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


 

7 years ago
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