18377972389
18,377,972,389 is an odd composite number composed of five prime numbers multiplied together.
18377972389 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 18377972389:
72 × 31 × 41 × 491 × 601
(7 × 7 × 31 × 41 × 491 × 601)See below for interesting mathematical facts about the number 18377972389 from the Numbermatics database.
Names of 18377972389
- Cardinal: 18377972389 can be written as Eighteen billion, three hundred seventy-seven million, nine hundred seventy-two thousand, three hundred eighty-nine.
Scientific notation
- Scientific notation: 1.8377972389 × 1010
Factors of 18377972389
Divisors of 18377972389
- Number of divisors d(n): 48
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Complete list of divisors:
1 7 31 41 49 217 287 491 601 1271 1519 2009 3437 4207 8897 15221 18631 20131 24059 24641 29449 62279 106547 130417 140917 172487 295091 624061 745829 763871 912919 986419 1207409 2065637 4368427 5347097 9147821 12098731 14459459 30578989 37429679 64034747 84691117 375060661 448243229 592837819 2625424627 18377972389
- Sum of all divisors σ(n): 22690063872
- Sum of proper divisors (its aliquot sum) s(n): 4312091483
- 18377972389 is a deficient number, because the sum of its proper divisors (4312091483) is less than itself. Its deficiency is 14065880906
Bases of 18377972389
- Binary: 100010001110110100110011010101001012
- Hexadecimal: 0x447699AA5
- Base-36: 8FXRQ91
Squares and roots of 18377972389
- 18377972389 squared (183779723892) is 337749869130846367321
- 18377972389 cubed (183779723893) is 6207157769275057966826289899869
-
The
square root of 18377972389 is 135565.3804959069 -
The
cube root of 18377972389 is 2638.9583235871
Scales and comparisons
How big is 18377972389?- 18,377,972,389 seconds is equal to 584 years, 18 weeks, 6 days, 19 minutes, 49 seconds.
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To count from 1 to 18,377,972,389 would take you about one thousand, one hundred sixty-eight 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 18377972389 cubic inches would be around 219.9 feet tall.
Recreational maths with 18377972389
- 18377972389 backwards is 98327977381
- The number of decimal digits it has is: 11
- The sum of 18377972389's digits is 64
- More coming soon!
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