1x2x3......x999 997x999 998x999 999x1 000 000
回答 (2)
2006-12-17 7:06 am
✔ 最佳答案
If you don't really need an exact number for that, Stirling's give you a pretty good approximation :)http://mathworld.wolfram.com/StirlingsApproximation.html
1,000,000! ~= e^(1,000,000 ln 1,000,000 - 1,000,000)
In this way, it is possible to count the number of digits in the number.
收錄日期: 2021-04-23 16:29:18
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061216000051KK01107