81590961467912

Names of 81590961467912

• Cardinal: 81590961467912 can be written as Eighty-one trillion, five hundred ninety billion, nine hundred sixty-one million, four hundred sixty-seven thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 8.1590961467912 × 10¹³

Factors of 81590961467912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 284

Divisors of 81590961467912

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 4 8 13 26 29 43 52 58 86 104 116 169 172 197 232 338 344 377 394 559 676 754 788 841 1118 1247 1352 1508 1576 1682 1849 2236 2494 2561 3016 3364 3698 4472 4901 4988 5122 5713 6728 7267 7396 8471 9802 9976 10244 10933 11426 14534 14792 16211 16942 19604 20488 21866 22852 24037 29068 32422 33293 33884 36163 38809 39208 43732 45704 48074 53621 58136 64844 66586 67768 72326 74269 77618 87464 96148 107242 110123 129688 133172 142129 144652 148538 155236 165677 192296 210743 214484 220246 245659 266344 284258 289304 297076 310472 312481 331354 364253 421486 428968 440492 470119 491318 504517 568516 594152 624962 662708 697073 728506 842972 880984 940238 965497 982636 1009034 1125461 1137032 1249924 1325416 1394146 1431599 1457012 1555009 1668787 1685944 1880476 1930994 1965272 2018068 2153801 2250922 2499848 2788292 2863198 2914024 3110018 3193567 3337574 3760952 3861988 4036136 4307602 4501844 4735289 5576584 5726396 6111547 6220036 6387134 6558721 6675148 7124111 7723976 8615204 9003688 9061949 9470578 10563337 11452792 12223094 12440072 12774268 13117442 13350296 14248222 14630993 17230408 18123898 18941156 20215117 21126674 21694231 24446188 25548536 26234884 27999413 28496444 29261986 32638369 36247796 37882312 40430234 41516371 42253348 43388462 48394823 48892376 52469768 55998826 56992888 58523972 61558757 65276738 71757841 72495592 80860468 83032742 84506696 86776924 92613443 96789646 111997652 117047944 123117514 130553476 137323381 143515682 161720936 166065484 173553848 185226886 190202909 193579292 223995304 246235028 261106952 262796521 274646762 282025003 287031364 306336773 332130968 370453772 380405818 387158584 424298797 492470056 525593042 549293524 564050006 574062728 612673546 629132699 740907544 760811636 848597594 932851933 1051186084 1098587048 1128100012 1203974759 1225347092 1258265398 1403449867 1521623272 1697195188 1785203953 1865703866 2080977389 2102372168 2256200024 2407949518 2450694184 2516530796 2806899734 3394390376 3570407906 3731407732 3982378049 4161954778 4815899036 5033061592 5515884361 5613799468 7140815812 7462815464 7964756098 8178725087 8323909556 9631798072 11031768722 11227598936 12127075129 14281631624 15929512196 16357450174 16647819112 18244848271 22063537444 24254150258 27052706057 31859024392 32714900348 36489696542 44127074888 48508300516 51770914637 54105412114 60348344281 65429800696 72979393084 97016601032 103541829274 108210824228 120696688562 145958786168 207083658548 216421648456 237183027523 241393377124 351685178741 414167317096 474366055046 482786754248 703370357482 784528475653 948732110092 1406740714964 1569056951306 1897464220184 2813481429928 3138113902612 6276227805224 10198870183489 20397740366978 40795480733956 81590961467912
• Sum of all divisors σ(n): 176544286914645
• Sum of proper divisors (its aliquot sum) s(n): 94953325446733
• 81590961467912 is an abundant number, because the sum of its proper divisors (94953325446733) is greater than itself. Its abundance is 13362363978821

Bases of 81590961467912

• Binary: 10010100011010011100000010001100111001000001000₂
• Hexadecimal: 0x4A34E0467208
• Base-36: SX6DBUAYW

Squares and roots of 81590961467912

• 81590961467912 squared (81590961467912²) is 6657084993258300705805639744
• 81590961467912 cubed (81590961467912³) is 543157965173553229179138425787682487894528
• The square root of 81590961467912 is 9032771.5274943161
• The cube root of 81590961467912 is 43372.4561842191

Scales and comparisons

• 81,590,961,467,912 seconds is equal to 2,594,340 years, 10 weeks, 1 day, 19 hours, 18 minutes, 32 seconds.
• To count from 1 to 81,590,961,467,912 would take you about six million, four hundred eighty-five thousand, eight hundred fifty 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 81590961467912 cubic inches would be around 3614.4 feet tall.

Recreational maths with 81590961467912

• 81590961467912 backwards is 21976416909518
• The number of decimal digits it has is: 14
• The sum of 81590961467912's digits is 68
• More coming soon!