138865611690
138,865,611,690 is an even composite number composed of seven prime numbers multiplied together.
138865611690 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 138865611690:
2 × 32 × 5 × 132 × 43 × 67 × 3169
(2 × 3 × 3 × 5 × 13 × 13 × 43 × 67 × 3169)See below for interesting mathematical facts about the number 138865611690 from the Numbermatics database.
Names of 138865611690
- Cardinal: 138865611690 can be written as One hundred thirty-eight billion, eight hundred sixty-five million, six hundred eleven thousand, six hundred ninety.
Scientific notation
- Scientific notation: 1.3886561169 × 1011
Factors of 138865611690
Divisors of 138865611690
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 26 30 39 43 45 65 67 78 86 90 117 129 130 134 169 195 201 215 234 258 335 338 387 390 402 430 507 559 585 603 645 670 774 845 871 1005 1014 1118 1170 1206 1290 1521 1677 1690 1742 1935 2010 2535 2613 2795 2881 3015 3042 3169 3354 3870 4355 5031 5070 5226 5590 5762 6030 6338 7267 7605 7839 8385 8643 8710 9507 10062 11323 13065 14405 14534 15210 15678 15845 16770 17286 19014 21801 22646 25155 25929 26130 28521 28810 31690 33969 36335 37453 39195 41197 43215 43602 47535 50310 51858 56615 57042 65403 67938 72670 74906 78390 82394 86430 95070 101907 109005 112359 113230 123591 129645 130806 136267 142605 169845 187265 203814 205985 212323 218010 224718 247182 259290 272534 285210 327015 337077 339690 370773 374530 408801 411970 424646 486889 509535 535561 561795 617955 636969 654030 674154 681335 741546 817602 973778 1019070 1061615 1071122 1123590 1226403 1235910 1273938 1362670 1460667 1606683 1685385 1771471 1853865 1910907 2044005 2123230 2434445 2452806 2677805 2760199 2921334 3184845 3213366 3370770 3542942 3707730 3821814 4088010 4382001 4820049 4868890 5314413 5355610 5520398 6132015 6369690 7303335 8033415 8280597 8764002 8857355 9129889 9554535 9640098 10628826 12264030 13800995 14606670 15943239 16066830 16561194 17714710 18259778 19109070 21910005 23029123 24100245 24841791 26572065 27389667 27601990 31886478 35882587 41402985 43820010 45649445 46058246 48200490 49683582 53144130 54779334 69087369 71765174 79716195 82169001 82805970 91298890 107647761 115145615 118688557 124208955 136948335 138174738 159432390 164338002 179412935 207262107 215295522 230291230 237377114 248417910 273896670 322943283 345436845 356065671 358825870 410845005 414524214 538238805 593442785 645886566 690873690 712131342 821690010 1036310535 1068197013 1076477610 1186885570 1542951241 1614716415 1780328355 2072621070 2136394026 3085902482 3229432830 3560656710 4628853723 5340985065 7714756205 9257707446 10681970130 13886561169 15429512410 23144268615 27773122338 46288537230 69432805845 138865611690
- Sum of all divisors σ(n): 406151254080
- Sum of proper divisors (its aliquot sum) s(n): 267285642390
- 138865611690 is an abundant number, because the sum of its proper divisors (267285642390) is greater than itself. Its abundance is 128420030700
Bases of 138865611690
- Binary: 100000010101010000100100010011101010102
- Hexadecimal: 0x20550913AA
- Base-36: 1RSKZZQI
Squares and roots of 138865611690
- 138865611690 squared (1388656116902) is 19283658110037864656100
- 138865611690 cubed (1388656116903) is 2677836979071237404530757989809000
-
The
square root of 138865611690 is 372646.7653019411 -
The
cube root of 138865611690 is 5178.4315164163
Scales and comparisons
How big is 138865611690?- 138,865,611,690 seconds is equal to 4,415 years, 25 weeks, 5 days, 21 hours, 1 minute, 30 seconds.
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To count from 1 to 138,865,611,690 would take you about eight thousand, eight hundred thirty 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 138865611690 cubic inches would be around 431.5 feet tall.
Recreational maths with 138865611690
- 138865611690 backwards is 096116568831
- The number of decimal digits it has is: 12
- The sum of 138865611690's digits is 54
- More coming soon!
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