138708570
138,708,570 is an even composite number composed of eight prime numbers multiplied together.
138708570 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 138708570:
2 × 3 × 5 × 7 × 11 × 13 × 31 × 149
See below for interesting mathematical facts about the number 138708570 from the Numbermatics database.
Names of 138708570
- Cardinal: 138708570 can be written as One hundred thirty-eight million, seven hundred eight thousand, five hundred seventy.
Scientific notation
- Scientific notation: 1.3870857 × 108
Factors of 138708570
Divisors of 138708570
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 5 6 7 10 11 13 14 15 21 22 26 30 31 33 35 39 42 55 62 65 66 70 77 78 91 93 105 110 130 143 149 154 155 165 182 186 195 210 217 231 273 286 298 310 330 341 385 390 403 429 434 447 455 462 465 546 651 682 715 745 770 806 858 894 910 930 1001 1023 1043 1085 1155 1209 1302 1365 1430 1490 1639 1705 1937 2002 2015 2046 2086 2145 2170 2235 2310 2387 2418 2730 2821 3003 3129 3255 3278 3410 3874 4030 4290 4433 4470 4619 4774 4917 5005 5115 5215 5642 5811 6006 6045 6258 6510 7161 8195 8463 8866 9238 9685 9834 10010 10230 10430 11473 11622 11935 12090 13299 13559 13857 14105 14322 15015 15645 16390 16926 19370 21307 22165 22946 23095 23870 24585 26598 27118 27714 28210 29055 30030 31031 31290 32333 34419 35805 40677 42315 42614 44330 46190 49170 50809 57365 58110 60047 62062 63921 64666 66495 67795 68838 69285 71610 81354 84630 93093 96999 101618 106535 114730 120094 127842 132990 135590 138570 149149 152427 155155 161665 172095 180141 186186 193998 203385 213070 254045 298298 300235 304854 310310 319605 323330 344190 355663 360282 406770 420329 447447 465465 484995 508090 600470 639210 660517 711326 745745 762135 840658 894894 900705 930930 969990 1066989 1260987 1321034 1491490 1524270 1778315 1801410 1981551 2101645 2133978 2237235 2521974 3302585 3556630 3963102 4203290 4474470 4623619 5334945 6304935 6605170 9247238 9907755 10669890 12609870 13870857 19815510 23118095 27741714 46236190 69354285 138708570
- Sum of all divisors σ(n): 464486400
- Sum of proper divisors (its aliquot sum) s(n): 325777830
- 138708570 is an abundant number, because the sum of its proper divisors (325777830) is greater than itself. Its abundance is 187069260
Bases of 138708570
- Binary: 10000100010010000110010110102
- Hexadecimal: 0x844865A
- Base-36: 2AL07U
Squares and roots of 138708570
- 138708570 squared (1387085702) is 19240067391444900
- 138708570 cubed (1387085703) is 2668762234570952312793000
-
The
square root of 138708570 is 11777.4602525333 -
The
cube root of 138708570 is 517.6478701803
Scales and comparisons
How big is 138708570?- 138,708,570 seconds is equal to 4 years, 21 weeks, 2 days, 10 hours, 9 minutes, 30 seconds.
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To count from 1 to 138,708,570 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 138708570 cubic inches would be around 43.1 feet tall.
Recreational maths with 138708570
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