138640590
138,640,590 is an even composite number composed of six prime numbers multiplied together.
138640590 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138640590:
2 × 32 × 5 × 112 × 29 × 439
(2 × 3 × 3 × 5 × 11 × 11 × 29 × 439)See below for interesting mathematical facts about the number 138640590 from the Numbermatics database.
Names of 138640590
- Cardinal: 138640590 can be written as One hundred thirty-eight million, six hundred forty thousand, five hundred ninety.
Scientific notation
- Scientific notation: 1.3864059 × 108
Factors of 138640590
Divisors of 138640590
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 5 6 9 10 11 15 18 22 29 30 33 45 55 58 66 87 90 99 110 121 145 165 174 198 242 261 290 319 330 363 435 439 495 522 605 638 726 870 878 957 990 1089 1210 1305 1317 1595 1815 1914 2178 2195 2610 2634 2871 3190 3509 3630 3951 4390 4785 4829 5445 5742 6585 7018 7902 9570 9658 10527 10890 12731 13170 14355 14487 17545 19755 21054 24145 25462 28710 28974 31581 35090 38193 39510 43461 48290 52635 53119 63162 63655 72435 76386 86922 105270 106238 114579 127310 140041 144870 157905 159357 190965 217305 229158 265595 280082 315810 318714 381930 420123 434610 478071 531190 572895 700205 796785 840246 956142 1145790 1260369 1400410 1540451 1593570 2100615 2390355 2520738 3080902 4201230 4621353 4780710 6301845 7702255 9242706 12603690 13864059 15404510 23106765 27728118 46213530 69320295 138640590
- Sum of all divisors σ(n): 410810400
- Sum of proper divisors (its aliquot sum) s(n): 272169810
- 138640590 is an abundant number, because the sum of its proper divisors (272169810) is greater than itself. Its abundance is 133529220
Bases of 138640590
- Binary: 10000100001101111100110011102
- Hexadecimal: 0x8437CCE
- Base-36: 2AJJRI
Squares and roots of 138640590
- 138640590 squared (1386405902) is 19221213195548100
- 138640590 cubed (1386405903) is 2664840337946573957379000
-
The
square root of 138640590 is 11774.5738776397 -
The
cube root of 138640590 is 517.5632912859
Scales and comparisons
How big is 138640590?- 138,640,590 seconds is equal to 4 years, 21 weeks, 1 day, 15 hours, 16 minutes, 30 seconds.
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To count from 1 to 138,640,590 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 138640590 cubic inches would be around 43.1 feet tall.
Recreational maths with 138640590
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