12811510998

Names of 12811510998

• Cardinal: 12811510998 can be written as Twelve billion, eight hundred eleven million, five hundred ten thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 1.2811510998 × 10¹⁰

Factors of 12811510998

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 317

Divisors of 12811510998

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 9 11 13 17 18 22 26 33 34 37 39 41 51 66 74 78 82 99 102 111 117 123 143 153 187 193 198 221 222 234 246 286 306 333 369 374 386 407 429 442 451 481 533 561 579 629 663 666 697 738 814 858 902 962 1066 1122 1158 1221 1258 1287 1326 1353 1394 1443 1517 1599 1683 1737 1887 1989 2091 2123 2431 2442 2509 2574 2706 2886 3034 3198 3281 3366 3474 3663 3774 3978 4059 4182 4246 4329 4551 4797 4862 5018 5291 5661 5863 6273 6369 6562 6919 7141 7293 7326 7527 7667 7913 8118 8177 8658 9061 9102 9594 9843 10582 11322 11726 12546 12738 13653 13838 14282 14586 15054 15334 15826 15873 16354 16687 17589 18122 19107 19686 19721 20757 21423 21879 22581 23001 23739 24531 25789 27183 27306 27599 29529 31746 33374 35178 36091 38214 39442 41514 42653 42846 43758 45162 46002 47478 47619 49062 50061 51578 52767 54366 55198 59058 59163 62271 64269 69003 71217 72182 73593 77367 78551 81549 82797 85306 87043 89947 92833 95238 99671 100122 102869 105534 108273 118326 121397 124542 127959 128538 134521 138006 142434 147186 150183 154734 157102 163098 165594 174086 177489 179894 185666 199342 205738 216546 216931 232101 235653 242794 248391 255918 261129 269042 269841 278499 283679 292781 299013 300366 308607 324819 335257 354978 364191 383877 403563 433862 464202 469183 471306 496782 522258 539682 556998 567358 585562 598026 617214 649638 650793 670514 706959 728382 767754 783387 807126 809523 835497 851037 878343 897039 925821 938366 1005771 1021163 1092573 1131559 1210689 1301586 1335367 1407549 1413918 1479731 1566774 1578161 1619046 1670994 1702074 1748773 1756686 1794078 1851642 1952379 2011542 2042326 2185146 2263118 2421378 2553111 2635029 2670734 2815098 2959462 3017313 3063489 3156322 3220591 3394677 3497546 3687827 3806153 3904758 4006101 4222647 4439193 4734483 4977277 5106222 5246319 5270058 6034626 6126978 6441182 6789354 7375654 7612306 8012202 8445294 8878386 9190467 9468966 9661773 9954554 10184031 10492638 11063481 11418459 12018303 13317579 14203449 14931831 15738957 17359771 18380934 19236503 19323546 20368062 22126962 22836918 24036606 26635158 28406898 28985319 29863662 31477914 33190443 34255377 34719542 38473006 41867683 44795493 52079313 54750047 57709509 57970638 64704601 66380886 68510754 83735366 89590986 104158626 109500094 115419018 125603049 129409202 156237939 164250141 173128527 194113803 251206098 312475878 328500282 346257054 376809147 388227606 492750423 582341409 711750611 753618294 985500846 1164682818 1423501222 2135251833 4270503666 6405755499 12811510998
• Sum of all divisors σ(n): 36515816064
• Sum of proper divisors (its aliquot sum) s(n): 23704305066
• 12811510998 is an abundant number, because the sum of its proper divisors (23704305066) is greater than itself. Its abundance is 10892794068

Bases of 12811510998

• Binary: 1011111011101000000010010011010110₂
• Hexadecimal: 0x2FBA024D6
• Base-36: 5VVN55I

Squares and roots of 12811510998

• 12811510998 squared (12811510998²) is 164134814051874956004
• 12811510998 cubed (12811510998³) is 2102814975380280941366012131992
• The square root of 12811510998 is 113187.9454624033
• The cube root of 12811510998 is 2339.9151963569

Scales and comparisons

• 12,811,510,998 seconds is equal to 407 years, 19 weeks, 9 hours, 3 minutes, 18 seconds.
• To count from 1 to 12,811,510,998 would take you about eight hundred fourteen 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 12811510998 cubic inches would be around 195 feet tall.

Recreational maths with 12811510998

• 12811510998 backwards is 89901511821
• The number of decimal digits it has is: 11
• The sum of 12811510998's digits is 45
• More coming soon!