38139864
38,139,864 is an even composite number composed of five prime numbers multiplied together.
38139864 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 38139864:
23 × 3 × 7 × 131 × 1733
(2 × 2 × 2 × 3 × 7 × 131 × 1733)See below for interesting mathematical facts about the number 38139864 from the Numbermatics database.
Names of 38139864
- Cardinal: 38139864 can be written as Thirty-eight million, one hundred thirty-nine thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 3.8139864 × 107
Factors of 38139864
Divisors of 38139864
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 131 168 262 393 524 786 917 1048 1572 1733 1834 2751 3144 3466 3668 5199 5502 6932 7336 10398 11004 12131 13864 20796 22008 24262 36393 41592 48524 72786 97048 145572 227023 291144 454046 681069 908092 1362138 1589161 1816184 2724276 3178322 4767483 5448552 6356644 9534966 12713288 19069932 38139864
- Sum of all divisors σ(n): 109866240
- Sum of proper divisors (its aliquot sum) s(n): 71726376
- 38139864 is an abundant number, because the sum of its proper divisors (71726376) is greater than itself. Its abundance is 33586512
Bases of 38139864
- Binary: 100100010111110111110110002
- Hexadecimal: 0x245F7D8
- Base-36: MPGWO
Squares and roots of 38139864
- 38139864 squared (381398642) is 1454649225938496
- 38139864 cubed (381398643) is 55480123644999509804544
-
The
square root of 38139864 is 6175.7480518557 -
The
cube root of 38139864 is 336.6095087535
Scales and comparisons
How big is 38139864?- 38,139,864 seconds is equal to 1 year, 11 weeks, 10 hours, 24 minutes, 24 seconds.
-
To count from 1 to 38,139,864 would take you about forty-two weeks!
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 38139864 cubic inches would be around 28.1 feet tall.
Recreational maths with 38139864
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