64109990
64,109,990 is an even composite number composed of six prime numbers multiplied together.
64109990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 64109990:
2 × 5 × 7 × 192 × 43 × 59
(2 × 5 × 7 × 19 × 19 × 43 × 59)See below for interesting mathematical facts about the number 64109990 from the Numbermatics database.
Names of 64109990
- Cardinal: 64109990 can be written as Sixty-four million, one hundred nine thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 6.410999 × 107
Factors of 64109990
Divisors of 64109990
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 5 7 10 14 19 35 38 43 59 70 86 95 118 133 190 215 266 295 301 361 413 430 590 602 665 722 817 826 1121 1330 1505 1634 1805 2065 2242 2527 2537 3010 3610 4085 4130 5054 5074 5605 5719 7847 8170 11210 11438 12635 12685 15523 15694 17759 21299 25270 25370 28595 31046 35518 39235 42598 48203 57190 77615 78470 88795 96406 106495 108661 149093 155230 177590 212990 217322 241015 298186 337421 482030 543305 674842 745465 915857 1086610 1490930 1687105 1831714 3374210 4579285 6410999 9158570 12821998 32054995 64109990
- Sum of all divisors σ(n): 144840960
- Sum of proper divisors (its aliquot sum) s(n): 80730970
- 64109990 is an abundant number, because the sum of its proper divisors (80730970) is greater than itself. Its abundance is 16620980
Bases of 64109990
- Binary: 111101001000111101101001102
- Hexadecimal: 0x3D23DA6
- Base-36: 1263L2
Squares and roots of 64109990
- 64109990 squared (641099902) is 4110090817800100
- 64109990 cubed (641099903) is 263497881228256232999000
-
The
square root of 64109990 is 8006.8714239707 -
The
cube root of 64109990 is 400.2290146889
Scales and comparisons
How big is 64109990?- 64,109,990 seconds is equal to 2 years, 2 weeks, 19 minutes, 50 seconds.
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To count from 1 to 64,109,990 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 64109990 cubic inches would be around 33.4 feet tall.
Recreational maths with 64109990
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