138885012
138,885,012 is an even composite number composed of five prime numbers multiplied together.
138885012 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 138885012:
22 × 32 × 72 × 43 × 1831
(2 × 2 × 3 × 3 × 7 × 7 × 43 × 1831)See below for interesting mathematical facts about the number 138885012 from the Numbermatics database.
Names of 138885012
- Cardinal: 138885012 can be written as One hundred thirty-eight million, eight hundred eighty-five thousand and twelve.
Scientific notation
- Scientific notation: 1.38885012 × 108
Factors of 138885012
Divisors of 138885012
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 28 36 42 43 49 63 84 86 98 126 129 147 172 196 252 258 294 301 387 441 516 588 602 774 882 903 1204 1548 1764 1806 1831 2107 2709 3612 3662 4214 5418 5493 6321 7324 8428 10836 10986 12642 12817 16479 18963 21972 25284 25634 32958 37926 38451 51268 65916 75852 76902 78733 89719 115353 153804 157466 179438 230706 236199 269157 314932 358876 461412 472398 538314 551131 708597 807471 944796 1076628 1102262 1417194 1614942 1653393 2204524 2834388 3229884 3306786 3857917 4960179 6613572 7715834 9920358 11573751 15431668 19840716 23147502 34721253 46295004 69442506 138885012
- Sum of all divisors σ(n): 418113696
- Sum of proper divisors (its aliquot sum) s(n): 279228684
- 138885012 is an abundant number, because the sum of its proper divisors (279228684) is greater than itself. Its abundance is 140343672
Bases of 138885012
- Binary: 10000100011100110111100101002
- Hexadecimal: 0x8473794
- Base-36: 2AOSD0
Squares and roots of 138885012
- 138885012 squared (1388850122) is 19289046558240144
- 138885012 cubed (1388850123) is 2678959462709741098321728
-
The
square root of 138885012 is 11784.9485361625 -
The
cube root of 138885012 is 517.8672657227
Scales and comparisons
How big is 138885012?- 138,885,012 seconds is equal to 4 years, 21 weeks, 4 days, 11 hours, 10 minutes, 12 seconds.
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To count from 1 to 138,885,012 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 138885012 cubic inches would be around 43.2 feet tall.
Recreational maths with 138885012
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