64066990
64,066,990 is an even composite number composed of six prime numbers multiplied together.
64066990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 64066990:
2 × 5 × 13 × 43 × 73 × 157
See below for interesting mathematical facts about the number 64066990 from the Numbermatics database.
Names of 64066990
- Cardinal: 64066990 can be written as Sixty-four million, sixty-six thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 6.406699 × 107
Factors of 64066990
Divisors of 64066990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 5 10 13 26 43 65 73 86 130 146 157 215 314 365 430 559 730 785 949 1118 1570 1898 2041 2795 3139 4082 4745 5590 6278 6751 9490 10205 11461 13502 15695 20410 22922 31390 33755 40807 57305 67510 81614 87763 114610 148993 175526 204035 297986 408070 438815 492823 744965 877630 985646 1489930 2464115 4928230 6406699 12813398 32033495 64066990
- Sum of all divisors σ(n): 129640896
- Sum of proper divisors (its aliquot sum) s(n): 65573906
- 64066990 is an abundant number, because the sum of its proper divisors (65573906) is greater than itself. Its abundance is 1506916
Bases of 64066990
- Binary: 111101000110010101101011102
- Hexadecimal: 0x3D195AE
- Base-36: 1256EM
Squares and roots of 64066990
- 64066990 squared (640669902) is 4104579207660100
- 64066990 cubed (640669903) is 262968035051367550099000
-
The
square root of 64066990 is 8004.1857799529 -
The
cube root of 64066990 is 400.1395138341
Scales and comparisons
How big is 64066990?- 64,066,990 seconds is equal to 2 years, 1 week, 6 days, 12 hours, 23 minutes, 10 seconds.
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To count from 1 to 64,066,990 would take you about three years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 64066990 cubic inches would be around 33.3 feet tall.
Recreational maths with 64066990
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The information we have on file for 64066990 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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