81272064084064

Names of 81272064084064

• Cardinal: 81272064084064 can be written as Eighty-one trillion, two hundred seventy-two billion, sixty-four million, eighty-four thousand and sixty-four.

Scientific notation

• Scientific notation: 8.1272064084064 × 10¹³

Factors of 81272064084064

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 57

Divisors of 81272064084064

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 29 32 38 49 56 58 76 98 112 116 133 152 196 203 224 232 266 304 343 361 392 406 464 532 551 608 686 722 784 812 841 928 931 1064 1102 1372 1421 1444 1568 1624 1682 1862 2128 2204 2527 2744 2842 2888 3248 3364 3724 3857 4256 4408 5054 5488 5684 5776 5887 6496 6517 6728 7448 7714 8816 9947 10108 10469 10976 11368 11552 11774 13034 13456 14896 15428 15979 17632 17689 19894 20216 20938 22736 23548 24389 26068 26912 26999 29792 30856 31958 35378 39788 40432 41209 41876 45472 47096 48778 52136 53998 61712 63916 70756 73283 79576 80864 82418 83752 94192 97556 104272 107996 111853 123424 123823 127832 141512 146566 159152 164836 167504 170723 188384 188993 195112 208544 215992 223706 247646 255664 283024 288463 293132 303601 318304 329672 335008 341446 377986 390224 431984 447412 463391 495292 511328 512981 566048 576926 586264 607202 659344 682892 707281 755972 780448 782971 863968 894824 926782 990584 1025962 1153852 1172528 1195061 1214404 1318688 1365784 1414562 1511944 1565942 1789648 1853564 1981168 2051924 2125207 2307704 2345056 2390122 2428808 2731568 2829124 3023888 3131884 3243737 3579296 3590867 3707128 3962336 4103848 4250414 4615408 4780244 4857616 4950967 5463136 5480797 5658248 6047776 6263768 6487474 7181734 7414256 8207696 8365427 8500828 8804429 9230816 9560488 9715232 9901934 10961594 11316496 12527536 12974948 13438339 14363468 14828512 14876449 16415392 16730854 17001656 17608858 19120976 19803868 20511149 21923188 22632992 22706159 25055072 25949896 26876678 28726936 29752898 33461708 34003312 34656769 35217716 38241952 39607736 41022298 43846376 45412318 51899792 53753356 57453872 59505796 61631003 66923416 68006624 69313538 70435432 79215472 82044596 87692752 90824636 94068373 103799584 104135143 107506712 114907744 119011592 123262006 133846832 138627076 140870864 143578043 158430944 158943113 164089192 175385504 181649272 188136746 208270286 215013424 238023184 242597383 246524012 255328441 267693664 277254152 281741728 287156086 317886226 328178384 363298544 376273492 389711831 416540572 430026848 431417021 476046368 485194766 493048024 510656882 554508304 574312172 635772452 656356768 658478611 726597088 752546984 779423662 833081144 862834042 970389532 986096048 1005046301 1021313764 1109016608 1148624344 1271544904 1316957222 1505093968 1558847324 1666162288 1725668084 1787299087 1940779064 1972192096 2010092602 2042627528 2297248688 2543089808 2633914444 2727982817 3010187936 3019919147 3117694648 3332324576 3451336168 3574598174 3881558128 4020185204 4085255056 4594497376 4609350277 5086179616 5267828888 5455965634 6039838294 6235389296 6902672336 7035324107 7149196348 7404524789 7763116256 8040370408 8170510112 9218700554 10535657776 10911931268 12079676588 12470778592 12511093609 13805344672 14070648214 14298392696 14809049578 16080740816 18437401108 19095879719 21071315552 21823862536 24159353176 25022187218 28141296428 28596785392 29618099156 32161481632 36874802216 38191759438 43647725072 48318706352 50044374436 51831673523 56282592856 57193570784 59236198312 73749604432 76383518876 87295450144 87577655263 96637412704 100088748872 103663347046 112565185712 118472396624 133671158033 147499208864 152767037752 175155310526 200177497744 207326694092 225130371424 236944793248 267342316066 305534075504 350310621052 362821714661 400354995488 414653388184 534684632132 611068151008 700621242104 725643429322 829306776368 1069369264264 1401242484208 1451286858644 1658613552736 2138738528528 2539752002627 2802484968416 2902573717288 4277477057056 5079504005254 5805147434576 10159008010508 11610294869152 20318016021016 40636032042032 81272064084064
• Sum of all divisors σ(n): 203964916428000
• Sum of proper divisors (its aliquot sum) s(n): 122692852343936
• 81272064084064 is an abundant number, because the sum of its proper divisors (122692852343936) is greater than itself. Its abundance is 41420788259872

Bases of 81272064084064

• Binary: 10010011110101010100000100000101000100001100000₂
• Hexadecimal: 0x49EAA0828860
• Base-36: ST3VCKMSG

Squares and roots of 81272064084064

• 81272064084064 squared (81272064084064²) is 6605148400484205583258756096
• 81272064084064 cubed (81272064084064³) is 536814044088905182290067212145566216454144
• The square root of 81272064084064 is 9015102.0007576177
• The cube root of 81272064084064 is 43315.8754809171

Scales and comparisons

• 81,272,064,084,064 seconds is equal to 2,584,200 years, 12 weeks, 5 days, 20 hours, 41 minutes, 4 seconds.
• To count from 1 to 81,272,064,084,064 would take you about six million, four hundred sixty thousand, five hundred 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 81272064084064 cubic inches would be around 3609.7 feet tall.

Recreational maths with 81272064084064

• 81272064084064 backwards is 46048046027218
• The number of decimal digits it has is: 14
• The sum of 81272064084064's digits is 52
• More coming soon!