12991391917308

Names of 12991391917308

• Cardinal: 12991391917308 can be written as Twelve trillion, nine hundred ninety-one billion, three hundred ninety-one million, nine hundred seventeen thousand, three hundred eight.

Scientific notation

• Scientific notation: 1.2991391917308 × 10¹³

Factors of 12991391917308

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 102

Divisors of 12991391917308

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 27 28 36 38 42 49 54 57 63 71 76 84 98 108 114 126 133 142 147 171 189 196 213 228 252 266 284 294 342 361 378 399 426 441 497 513 532 588 639 684 722 756 798 852 882 931 994 1026 1083 1197 1278 1323 1349 1444 1491 1596 1764 1862 1917 1988 2052 2166 2394 2527 2556 2646 2698 2793 2982 3249 3479 3591 3724 3834 4047 4332 4473 4788 5041 5054 5292 5396 5586 5964 6498 6859 6958 7182 7581 7668 8094 8379 8946 9443 9747 10082 10108 10437 11172 12141 12996 13419 13718 13916 14364 15123 15162 16188 16758 17689 17892 18886 19494 20164 20577 20874 22743 24282 25137 25631 26838 27436 28329 30246 30324 31311 33516 35287 35378 36423 37772 38988 41154 41748 45369 45486 48013 48564 50274 51262 53067 53676 56658 60492 61731 62622 66101 68229 70574 70756 72846 76893 82308 84987 90738 90972 93933 95779 96026 100548 102524 105861 106134 113316 123462 125244 132202 136107 136458 141148 144039 145692 153786 159201 169974 179417 181476 185193 187866 191558 192052 198303 211722 212268 230679 246924 247009 254961 264404 272214 272916 287337 288078 307572 317583 318402 336091 339948 357911 358834 370386 375732 383116 396606 423444 432117 461358 477603 486989 494018 509922 538251 544428 574674 576156 594909 635166 636804 670453 672182 692037 715822 717668 740772 741027 793212 862011 864234 922716 952749 955206 973978 988036 1008273 1019844 1073733 1076502 1149348 1189818 1255919 1270332 1296351 1340906 1344364 1384074 1431644 1460967 1482054 1614753 1724022 1728468 1784727 1819801 1905498 1910412 1947956 2011359 2016546 2147466 2153004 2223081 2379636 2505377 2511838 2586033 2592702 2681812 2768148 2921934 2964108 3024819 3221199 3229506 3408923 3448044 3569454 3639602 3767757 3810996 4022718 4033092 4294932 4382901 4446162 4693171 4844259 5010754 5023676 5172066 5185404 5459403 5843868 6034077 6049638 6442398 6459012 6669243 6800309 6817846 7138908 7279204 7516131 7535514 8045436 8765802 8892324 9074457 9386342 9663597 9688518 10021508 10226769 10344132 10918806 11303271 12068154 12099276 12738607 12884796 13148703 13338486 13600618 13635692 14079513 15032262 15071028 16378209 17531604 17537639 18102231 18148914 18772684 19327194 19377036 20400927 20453538 21837612 22548393 22606542 23862461 24136308 25477214 26297406 26676972 27201236 28159026 30064524 30680307 32756418 33909813 34576219 35075278 36204462 36297828 38215821 38654388 40801854 40907076 42238539 45096786 45213084 47602163 47724922 49134627 50954428 52594812 52612917 56318052 61202781 61360614 65512836 67645179 67819626 69152438 70150556 71587383 72408924 76431642 81603708 84477078 89170249 90193572 92040921 95204326 95449844 98269254 103728657 105225834 114647463 122405562 122721228 126715617 129205871 135290358 135639252 138304876 142806489 143174766 152863284 157838751 168954156 178340498 183608343 184081842 190408652 196538508 207457314 210451668 214762149 229294926 242033533 244811124 253431234 258411742 267510747 270580716 285612978 286349532 311185971 315677502 333215141 343942389 356680996 367216686 368163684 387617613 414914628 428419467 429524298 458589852 473516253 484067066 506862468 516823484 535021494 571225956 622371942 631355004 644286447 666430282 687884778 726100599 734433372 775235226 802532241 856838934 859048596 904441097 933557913 947032506 968134132 999645423 1070042988 1162852839 1244743884 1285258401 1288572894 1332860564 1375769556 1452201198 1550470452 1605064482 1694234731 1713677868 1808882194 1867115826 1894065012 1999290846 2178301797 2325705678 2407596723 2454911549 2570516802 2577145788 2713323291 2904402396 2998936269 3210128964 3388469462 3488558517 3617764388 3734231652 3998581692 4356603594 4651411356 4815193446 4909823098 5082704193 5141033604 5426646582 5997872538 6331087679 6534905391 6776938924 6977117034 7364734647 8139969873 8713207188 8996808807 9630386892 9819646196 10165408386 10853293164 11995745076 12662175358 13069810782 13954234068 14729469294 15248112579 16279939746 17184380843 17993617614 18993263037 20330816772 22094203941 24419909619 25324350716 26139621564 29458938588 30496225158 32559879492 34368761686 35987235228 37986526074 44188407882 45744337737 48839819238 51553142529 56979789111 60992450316 66282611823 68737523372 75973052148 88376815764 91488675474 97679638476 103106285058 113959578222 120290665901 132565223646 154659427587 170939367333 182977350948 206212570116 227919156444 240581331802 265130447292 309318855174 341878734666 360871997703 463978282761 481162663604 618637710348 683757469332 721743995406 927956565522 1082615993109 1443487990812 1855913131044 2165231986218 3247847979327 4330463972436 6495695958654 12991391917308
• Sum of all divisors σ(n): 41947568409600
• Sum of proper divisors (its aliquot sum) s(n): 28956176492292
• 12991391917308 is an abundant number, because the sum of its proper divisors (28956176492292) is greater than itself. Its abundance is 15964784574984

Bases of 12991391917308

• Binary: 10111101000011001011010011001110010011111100₂
• Hexadecimal: 0xBD0CB4CE4FC
• Base-36: 4LS5VBIF0

Squares and roots of 12991391917308

• 12991391917308 squared (12991391917308²) is 168776263949095632309966864
• 12991391917308 cubed (12991391917308³) is 2192638591301722586348029010258908082112
• The square root of 12991391917308 is 3604357.3514994319
• The cube root of 12991391917308 is 23508.1558637323

Scales and comparisons

• 12,991,391,917,308 seconds is equal to 413,086 years, 4 weeks, 9 hours, 1 minute, 48 seconds.
• To count from 1 to 12,991,391,917,308 would take you about one million, thirty-two thousand, seven hundred fifteen 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 12991391917308 cubic inches would be around 1959 feet tall.

Recreational maths with 12991391917308

• 12991391917308 backwards is 80371919319921
• 12991391917308 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12991391917308's digits is 63
• More coming soon!