138986792
138,986,792 is an even composite number composed of five prime numbers multiplied together.
138986792 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138986792:
23 × 7 × 23 × 29 × 612
(2 × 2 × 2 × 7 × 23 × 29 × 61 × 61)See below for interesting mathematical facts about the number 138986792 from the Numbermatics database.
Names of 138986792
- Cardinal: 138986792 can be written as One hundred thirty-eight million, nine hundred eighty-six thousand, seven hundred ninety-two.
Scientific notation
- Scientific notation: 1.38986792 × 108
Factors of 138986792
Divisors of 138986792
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 7 8 14 23 28 29 46 56 58 61 92 116 122 161 184 203 232 244 322 406 427 488 644 667 812 854 1288 1334 1403 1624 1708 1769 2668 2806 3416 3538 3721 4669 5336 5612 7076 7442 9338 9821 11224 12383 14152 14884 18676 19642 24766 26047 29768 37352 39284 40687 49532 52094 78568 81374 85583 99064 104188 107909 162748 171166 208376 215818 284809 325496 342332 431636 569618 599081 684664 755363 863272 1139236 1198162 1510726 2278472 2396324 2481907 3021452 4792648 4963814 6042904 9927628 17373349 19855256 34746698 69493396 138986792
- Sum of all divisors σ(n): 326851200
- Sum of proper divisors (its aliquot sum) s(n): 187864408
- 138986792 is an abundant number, because the sum of its proper divisors (187864408) is greater than itself. Its abundance is 48877616
Bases of 138986792
- Binary: 10000100100011000101001010002
- Hexadecimal: 0x848C528
- Base-36: 2AQYW8
Squares and roots of 138986792
- 138986792 squared (1389867922) is 19317328350451264
- 138986792 cubed (1389867923) is 2684853497439872935705088
-
The
square root of 138986792 is 11789.2659652753 -
The
cube root of 138986792 is 517.9937388369
Scales and comparisons
How big is 138986792?- 138,986,792 seconds is equal to 4 years, 21 weeks, 5 days, 15 hours, 26 minutes, 32 seconds.
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To count from 1 to 138,986,792 would take you about six 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 138986792 cubic inches would be around 43.2 feet tall.
Recreational maths with 138986792
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