90131656640

Names of 90131656640

• Cardinal: 90131656640 can be written as Ninety billion, one hundred thirty-one million, six hundred fifty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 9.013165664 × 10¹⁰

Factors of 90131656640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 310

Divisors of 90131656640

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 29 32 37 40 46 58 64 74 80 92 101 113 115 116 145 148 160 184 185 202 226 230 232 290 296 320 368 370 404 452 460 464 505 565 580 592 667 736 740 808 851 904 920 928 1010 1073 1130 1160 1184 1334 1472 1480 1616 1702 1808 1840 1856 2020 2146 2260 2320 2323 2368 2599 2668 2929 2960 3232 3277 3335 3404 3616 3680 3737 4040 4181 4255 4292 4520 4640 4646 5198 5336 5365 5858 5920 6464 6554 6670 6808 7232 7360 7474 8080 8362 8510 8584 9040 9280 9292 10396 10672 10730 11413 11615 11716 11840 12995 13108 13340 13616 14645 14948 16160 16385 16724 17020 17168 18080 18584 18685 20792 20905 21344 21460 22826 23230 23432 24679 25990 26216 26680 27232 29290 29896 32320 32770 33448 34040 34336 36160 37168 37370 41584 41810 42688 42920 45652 46460 46864 49358 51980 52432 53360 54464 57065 58580 59792 65540 66896 67367 68080 68672 74336 74740 75371 83168 83620 85840 85951 91304 92920 93728 96163 98716 103960 104864 106720 108373 114130 117160 119584 121249 123395 131080 133792 134734 136160 148672 149480 150742 166336 167240 171680 171902 182608 185840 187456 192326 197432 207920 209728 213440 216746 228260 234320 239168 242498 246790 262160 262499 267584 269468 272320 298960 301484 330977 334480 336835 343360 343804 365216 371680 376855 384652 394864 415840 422281 429755 433492 456520 468640 480815 484996 493580 524320 524998 538936 541865 597920 602968 606245 661954 668960 673670 687608 730432 743360 753710 769304 789728 831680 844562 859510 866984 913040 937280 961630 969992 987160 1048640 1049996 1077872 1083730 1195840 1205936 1212490 1312495 1323908 1337920 1347340 1375216 1507420 1538608 1579456 1654885 1689124 1719020 1733968 1826080 1923260 1939984 1974320 2099992 2111405 2155744 2167460 2411872 2424980 2492579 2624990 2647816 2694680 2750432 2788727 3014840 3077216 3309770 3378248 3438040 3467936 3652160 3846520 3879968 3948640 4199984 4222810 4311488 4334920 4823744 4849960 4985158 5249980 5295632 5389360 5500864 5577454 6029680 6154432 6619540 6756496 6876080 6935872 7612471 7693040 7759936 7897280 8399968 8445620 8669840 9699920 9712463 9970316 10499960 10591264 10778720 11154908 12059360 12246149 12462895 13239080 13512992 13752160 13943635 15224942 15386080 16799936 16891240 17339680 19399840 19424926 19940632 20999920 21182528 21557440 22309816 24118720 24492298 24925790 26478160 27025984 27504320 27887270 30449884 30772160 33782480 34679360 38062355 38799680 38849852 39881264 41999840 44619632 48562315 48984596 49851580 52956320 55774540 60899768 61230745 67564960 76124710 77699704 79762528 83999680 89239264 97124630 97969192 99703160 105912640 111549080 121799536 122461490 135129920 152249420 155399408 159525056 178478528 194249260 195938384 199406320 223098160 243599072 244922980 281661427 304498840 310798816 388498520 391876768 398812640 446196320 487198144 489845960 563322854 608997680 621597632 776997040 783753536 797625280 892392640 979691920 1126645708 1217995360 1408307135 1553994080 1959383840 2253291416 2435990720 2816614270 3107988160 3918767680 4506582832 5633228540 9013165664 11266457080 18026331328 22532914160 45065828320 90131656640
• Sum of all divisors σ(n): 242424264960
• Sum of proper divisors (its aliquot sum) s(n): 152292608320
• 90131656640 is an abundant number, because the sum of its proper divisors (152292608320) is greater than itself. Its abundance is 62160951680

Bases of 90131656640

• Binary: 1010011111100010000111110111111000000₂
• Hexadecimal: 0x14FC43EFC0
• Base-36: 15EM27CW

Squares and roots of 90131656640

• 90131656640 squared (90131656640²) is 8123715528670856089600
• 90131656640 cubed (90131656640³) is 732203938671197676642680274944000
• The square root of 90131656640 is 300219.3475444245
• The cube root of 90131656640 is 4483.5888918445

Scales and comparisons

• 90,131,656,640 seconds is equal to 2,865 years, 47 weeks, 1 day, 11 hours, 17 minutes, 20 seconds.
• To count from 1 to 90,131,656,640 would take you about five thousand, seven hundred thirty-one 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 90131656640 cubic inches would be around 373.6 feet tall.

Recreational maths with 90131656640

• 90131656640 backwards is 04665613109
• The number of decimal digits it has is: 11
• The sum of 90131656640's digits is 41
• More coming soon!