12987645266816

Names of 12987645266816

• Cardinal: 12987645266816 can be written as Twelve trillion, nine hundred eighty-seven billion, six hundred forty-five million, two hundred sixty-six thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.2987645266816 × 10¹³

Factors of 12987645266816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 77

Divisors of 12987645266816

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 8 11 16 22 23 32 41 44 46 64 82 88 92 121 128 164 176 184 242 253 328 352 368 451 484 506 529 656 704 736 902 943 968 1012 1058 1312 1408 1472 1681 1804 1886 1936 2024 2116 2624 2783 2944 3362 3608 3772 3872 4048 4232 4961 5248 5566 5819 6724 7216 7544 7744 8096 8464 9922 10373 11132 11638 12167 13448 14432 15088 15488 16192 16928 18491 19844 20746 21689 22264 23276 24334 26896 28864 30176 32384 33856 36982 38663 39688 41492 43378 44528 46552 48668 53792 57728 60352 64009 67712 68921 73964 77326 79376 82984 86756 89056 93104 97336 107584 114103 120704 128018 133837 137842 147928 154652 158752 165968 173512 178112 186208 194672 203401 215168 228206 238579 256036 267674 275684 295856 309304 317504 331936 347024 356224 372416 389344 406802 425293 456412 477158 498847 512072 535348 551368 591712 618608 635008 663872 694048 744832 758131 778688 813604 850586 889249 912824 954316 997694 1024144 1070696 1102736 1183424 1237216 1327744 1388096 1472207 1516262 1557376 1585183 1627208 1701172 1778498 1825648 1908632 1995388 2048288 2141392 2205472 2366848 2474432 2624369 2776192 2944414 3032524 3170366 3254416 3402344 3556996 3651296 3817264 3990776 4096576 4282784 4410944 4678223 4948864 5248738 5487317 5888828 6065048 6340732 6508832 6804688 7113992 7302592 7634528 7981552 8193152 8339441 8565568 8821888 9356446 9781739 10497476 10974634 11777656 12130096 12681464 13017664 13609376 14227984 14605184 15269056 15963104 16678882 17131136 17437013 18712892 19563478 20452727 20994952 21949268 23555312 24260192 25362928 26035328 27218752 28455968 30538112 31926208 33357764 34874026 36459209 37425784 39126956 40905454 41989904 43898536 47110624 48520384 50725856 54437504 56911936 60360487 63852416 66715528 69748052 72918418 74851568 78253912 81810908 83979808 87797072 94221248 97040768 101451712 107599129 113823872 120720974 133431056 139496104 145836836 149703136 156507824 163621816 167959616 175594144 188442496 191807143 202903424 215198258 224979997 241441948 266862112 278992208 291673672 299406272 313015648 327243632 335919232 351188288 383614286 401051299 430396516 449959994 482883896 533724224 557984416 583347344 598812544 626031296 654487264 702376576 767228572 802102598 838561807 860793032 899919988 965767792 1067448448 1115968832 1166694688 1252062592 1308974528 1534457144 1604205196 1677123614 1721586064 1799839976 1931535584 2231937664 2333389376 2474779967 2617949056 3068914288 3208410392 3354247228 3443172128 3599679952 3863071168 4411564289 4666778752 4949559934 6137828576 6416820784 6708494456 6886344256 7199359904 7726142336 8823128578 9224179877 9899119868 12275657152 12833641568 13416988912 13772688512 14398719808 17646257156 18448359754 19798239736 24551314304 25667283136 26833977824 28797439616 35292514312 36896719508 39596479472 51334566272 53667955648 70585028624 73793439016 79192958944 101465978647 107335911296 141170057248 147586878032 158385917888 202931957294 282340114496 295173756064 316771835776 405863914588 564680228992 590347512128 811727829176 1180695024256 1623455658352 3246911316704 6493822633408 12987645266816
• Sum of all divisors σ(n): 30475736827200
• Sum of proper divisors (its aliquot sum) s(n): 17488091560384
• 12987645266816 is an abundant number, because the sum of its proper divisors (17488091560384) is greater than itself. Its abundance is 4500446293568

Bases of 12987645266816

• Binary: 10111100111111101011111110111000101110000000₂
• Hexadecimal: 0xBCFEBFB8B80
• Base-36: 4LQFWNSE8

Squares and roots of 12987645266816

• 12987645266816 squared (12987645266816²) is 168678929576648047830777856
• 12987645266816 cubed (12987645266816³) is 2190742101327742409092088397605944426496
• The square root of 12987645266816 is 3603837.5749769855
• The cube root of 12987645266816 is 23505.8957694427

Scales and comparisons

• 12,987,645,266,816 seconds is equal to 412,966 years, 49 weeks, 1 day, 8 hours, 46 minutes, 56 seconds.
• To count from 1 to 12,987,645,266,816 would take you about one million, thirty-two thousand, four hundred seventeen 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 12987645266816 cubic inches would be around 1958.8 feet tall.

Recreational maths with 12987645266816

• 12987645266816 backwards is 61866254678921
• The number of decimal digits it has is: 14
• The sum of 12987645266816's digits is 71
• More coming soon!