15139872
15,139,872 is an even composite number composed of four prime numbers multiplied together.
15139872 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 15139872:
25 × 36 × 11 × 59
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 11 × 59)See below for interesting mathematical facts about the number 15139872 from the Numbermatics database.
Names of 15139872
- Cardinal: 15139872 can be written as Fifteen million, one hundred thirty-nine thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.5139872 × 107
Factors of 15139872
Divisors of 15139872
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 59 66 72 81 88 96 99 108 118 132 144 162 176 177 198 216 236 243 264 288 297 324 352 354 396 432 472 486 528 531 594 648 649 708 729 792 864 891 944 972 1056 1062 1188 1296 1298 1416 1458 1584 1593 1782 1888 1944 1947 2124 2376 2592 2596 2673 2832 2916 3168 3186 3564 3888 3894 4248 4752 4779 5192 5346 5664 5832 5841 6372 7128 7776 7788 8019 8496 9504 9558 10384 10692 11664 11682 12744 14256 14337 15576 16038 16992 17523 19116 20768 21384 23328 23364 25488 28512 28674 31152 32076 35046 38232 42768 43011 46728 50976 52569 57348 62304 64152 70092 76464 85536 86022 93456 105138 114696 128304 140184 152928 157707 172044 186912 210276 229392 256608 280368 315414 344088 420552 458784 473121 560736 630828 688176 841104 946242 1261656 1376352 1682208 1892484 2523312 3784968 5046624 7569936 15139872
- Sum of all divisors σ(n): 49578480
- Sum of proper divisors (its aliquot sum) s(n): 34438608
- 15139872 is an abundant number, because the sum of its proper divisors (34438608) is greater than itself. Its abundance is 19298736
Bases of 15139872
- Binary: 1110011100000100001000002
- Hexadecimal: 0xE70420
- Base-36: 90I00
Squares and roots of 15139872
- 15139872 squared (151398722) is 229215724176384
- 15139872 cubed (151398723) is 3470296724417759182848
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The
square root of 15139872 is 3890.9988434847 -
The
cube root of 15139872 is 247.3854014917
Scales and comparisons
How big is 15139872?- 15,139,872 seconds is equal to 25 weeks, 5 hours, 31 minutes, 12 seconds.
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To count from 1 to 15,139,872 would take you about thirty-seven 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 15139872 cubic inches would be around 20.6 feet tall.
Recreational maths with 15139872
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