385488765
385,488,765 is an odd composite number composed of five prime numbers multiplied together.
385488765 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 385488765:
32 × 5 × 41 × 432 × 113
(3 × 3 × 5 × 41 × 43 × 43 × 113)See below for interesting mathematical facts about the number 385488765 from the Numbermatics database.
Names of 385488765
- Cardinal: 385488765 can be written as Three hundred eighty-five million, four hundred eighty-eight thousand, seven hundred sixty-five.
Scientific notation
- Scientific notation: 3.85488765 × 108
Factors of 385488765
Divisors of 385488765
- Number of divisors d(n): 72
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Complete list of divisors:
1 3 5 9 15 41 43 45 113 123 129 205 215 339 369 387 565 615 645 1017 1695 1763 1845 1849 1935 4633 4859 5085 5289 5547 8815 9245 13899 14577 15867 16641 23165 24295 26445 27735 41697 43731 69495 72885 75809 79335 83205 199219 208485 208937 218655 227427 379045 597657 626811 682281 996095 1044685 1137135 1792971 1880433 2988285 3134055 3411405 8566417 8964855 9402165 25699251 42832085 77097753 128496255 385488765
- Sum of all divisors σ(n): 706967352
- Sum of proper divisors (its aliquot sum) s(n): 321478587
- 385488765 is a deficient number, because the sum of its proper divisors (321478587) is less than itself. Its deficiency is 64010178
Bases of 385488765
- Binary: 101101111101000010111011111012
- Hexadecimal: 0x16FA177D
- Base-36: 6DID19
Squares and roots of 385488765
- 385488765 squared (3854887652) is 148601587941225225
- 385488765 cubed (3854887653) is 57284242612501804572097125
-
The
square root of 385488765 is 19633.8678054019 -
The
cube root of 385488765 is 727.7863541303
Scales and comparisons
How big is 385488765?- 385,488,765 seconds is equal to 12 years, 13 weeks, 2 days, 16 hours, 12 minutes, 45 seconds.
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To count from 1 to 385,488,765 would take you about eighteen 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 385488765 cubic inches would be around 60.6 feet tall.
Recreational maths with 385488765
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