81522374472

Names of 81522374472

• Cardinal: 81522374472 can be written as Eighty-one billion, five hundred twenty-two million, three hundred seventy-four thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 8.1522374472 × 10¹⁰

Factors of 81522374472

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 65

Divisors of 81522374472

• Number of divisors d(n): 972
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 18 19 21 22 23 24 28 33 36 38 42 44 46 49 56 57 63 66 69 72 76 77 84 88 92 98 99 114 121 126 132 133 138 147 152 154 161 168 171 184 196 198 207 209 228 231 242 252 253 264 266 276 294 308 322 342 361 363 392 396 399 414 418 437 441 456 462 483 484 504 506 529 532 539 552 588 616 627 644 684 693 722 726 759 792 798 828 836 847 874 882 924 931 966 968 1012 1058 1064 1078 1083 1089 1127 1176 1197 1254 1288 1311 1368 1386 1444 1449 1452 1463 1518 1587 1596 1617 1656 1672 1694 1748 1764 1771 1848 1862 1881 1932 2024 2116 2156 2166 2178 2254 2277 2299 2394 2508 2527 2541 2622 2772 2783 2793 2888 2898 2904 2926 3036 3059 3174 3192 3234 3249 3381 3388 3496 3528 3542 3703 3724 3762 3864 3933 3971 4232 4312 4332 4356 4389 4508 4554 4598 4761 4788 4807 4851 5016 5054 5082 5244 5313 5544 5566 5586 5796 5819 5852 5929 6072 6118 6348 6468 6498 6762 6776 6897 7084 7406 7448 7524 7581 7623 7866 7942 8303 8349 8379 8664 8712 8778 9016 9108 9177 9196 9522 9576 9614 9702 10051 10108 10143 10164 10241 10488 10626 11109 11132 11172 11592 11638 11704 11858 11913 12236 12397 12696 12936 12996 13167 13524 13794 14168 14421 14812 15048 15162 15246 15732 15884 15939 16093 16606 16698 16758 17457 17556 17689 17787 18216 18354 18392 19044 19228 19404 19481 20102 20216 20286 20328 20482 20691 21252 21413 22218 22264 22344 22743 23276 23716 23826 24472 24794 24909 25047 25921 25992 26334 27048 27531 27588 27797 28842 29624 30153 30324 30492 30723 31464 31768 31878 32186 33212 33327 33396 33516 33649 34914 35112 35378 35574 35739 36708 37191 38088 38456 38808 38962 40204 40572 40733 40964 41382 42504 42826 43263 43681 44436 45486 46552 47432 47652 48279 49588 49818 50094 51842 52371 52668 52877 53067 53361 55062 55176 55594 57684 58121 58443 60306 60648 60984 61446 63756 64009 64239 64372 66424 66654 66792 67032 67298 69828 70357 70756 71148 71478 73416 74382 74727 77763 77924 80408 81144 81466 81928 82764 83391 85652 86526 87362 88872 90459 90972 91333 92169 95304 96558 99176 99636 100188 100947 103684 104742 105336 105754 106134 106722 110124 110561 111188 111573 112651 115368 116242 116886 120612 122199 122892 127512 128018 128478 128744 131043 133308 134596 136367 139656 140714 141512 142296 142956 144837 148764 149454 155526 155848 158631 159201 162932 165528 166782 171304 173052 174363 174724 175329 180918 181944 182666 184338 190969 192027 192717 193116 194579 199272 200376 201894 207368 209484 211071 211508 212268 213444 220248 221122 222376 223146 225302 232484 233289 233772 235543 241224 244398 245784 250173 256036 256956 262086 266616 269192 272734 273999 281428 285131 285912 289674 297528 298908 302841 305767 311052 317262 318402 325864 331683 333564 337953 346104 348726 349448 350658 361836 365332 366597 368676 370139 381938 384054 385434 386232 389158 393129 403788 406847 409101 418968 422142 423016 424536 426888 442244 446292 448063 450604 464968 466578 467544 471086 475893 488796 492499 500346 512072 513912 523089 524172 545468 547998 562856 570262 572907 576081 579348 583737 597816 605682 611534 622104 633213 634524 636804 639331 663366 667128 675906 697452 701316 706629 723672 730664 733194 737352 740278 763876 768108 770868 773927 778316 786258 807576 813694 818202 821997 844284 855393 884488 892584 896126 901208 917301 933156 942172 951786 977592 984998 995049 1000692 1004663 1013859 1046178 1048344 1090936 1095996 1110417 1140524 1145814 1152162 1158696 1167474 1211364 1216171 1220541 1223068 1227303 1266426 1269048 1273608 1278662 1326732 1336783 1344189 1351812 1394904 1402632 1413258 1466388 1477497 1480556 1527752 1536216 1541736 1547854 1556632 1572516 1627388 1636404 1643994 1688568 1710786 1718721 1751211 1792252 1834602 1866312 1884344 1903572 1917993 1969996 1990098 2001384 2009326 2027718 2092356 2100659 2119887 2140369 2191992 2220834 2281048 2291628 2304324 2321781 2334948 2422728 2432342 2441082 2446136 2454606 2532852 2557324 2566179 2590973 2653464 2673566 2688378 2703624 2751903 2826516 2932776 2954994 2961112 3013989 3095708 3136441 3145032 3254776 3272808 3287988 3331251 3421572 3437442 3502422 3584504 3648513 3661623 3669204 3807144 3835986 3939992 3980196 4010349 4018652 4032567 4055436 4184712 4201318 4239774 4280738 4432491 4441668 4475317 4583256 4608648 4643562 4669896 4864684 4882164 4909212 5065704 5114648 5132358 5181946 5347132 5376756 5417489 5503806 5653032 5753979 5909988 6027978 6191416 6272882 6301977 6421107 6575976 6662502 6843144 6874884 6965343 7004844 7032641 7297026 7323246 7338408 7671972 7772919 7960392 8020698 8037304 8065134 8110872 8402636 8479548 8513197 8561476 8864982 8883336 8950634 9041967 9287124 9357481 9409323 9729368 9764328 9818424 10264716 10363892 10694264 10753512 10834978 10945539 11007612 11507958 11819976 12031047 12055956 12545764 12603954 12842214 13325004 13425951 13749768 13930686 14009688 14065282 14594052 14646492 14704613 15343944 15545838 16041396 16130268 16252467 16805272 16959096 17026394 17122952 17729964 17901268 18083934 18574248 18714962 18818646 18905931 19263321 20529432 20727784 21097923 21669956 21891078 22015224 23015916 23107249 23318757 24062094 24111912 25091528 25207908 25539591 25684428 26650008 26851902 27861372 28072443 28130564 28227969 29188104 29292984 29409226 31091676 32082792 32260536 32504934 34052788 35459928 35802536 36167868 37429924 37637292 37811862 38526642 40277853 42195846 43339912 43782156 44113839 46031832 46214498 46637514 48124188 48757401 49228487 50415816 51079182 51368856 53703804 55722744 56144886 56261128 56455938 58818452 59592379 62183352 63293769 65009868 68105576 69321747 72335736 74859848 75274584 75623724 76618773 77053284 80555706 84217329 84391692 87564312 88227678 92428996 93275028 96248376 97514802 98456974 102158364 102932291 107407608 112289772 112911876 117636904 119184758 126587538 130019736 132341517 138643494 147685461 151247448 153237546 154106568 161111412 161750743 168434658 168783384 176455356 178777137 184857992 186550056 195029604 196913948 204316728 205864582 207965241 224579544 225823752 238369516 253175076 264683034 277286988 295370922 306475092 308796873 322222824 323501486 336869316 352910712 357554274 390059208 393827896 411729164 415930482 443056383 476739032 485252229 506350152 529366068 536331411 554573976 590741844 612950184 617593746 647002972 673738632 715108548 823458328 831860964 886112766 926390619 970504458 1058732136 1072662822 1132255201 1181483688 1235187492 1294005944 1430217096 1455756687 1663721928 1772225532 1852781238 1941008916 2145325644 2264510402 2470374984 2911513374 3396765603 3544451064 3705562476 3882017832 4290651288 4529020804 5823026748 6793531206 7411124952 9058041608 10190296809 11646053496 13587062412 20380593618 27174124824 40761187236 81522374472
• Sum of all divisors σ(n): 311466408435
• Sum of proper divisors (its aliquot sum) s(n): 229944033963
• 81522374472 is an abundant number, because the sum of its proper divisors (229944033963) is greater than itself. Its abundance is 148421659491

Bases of 81522374472

• Binary: 1001011111011000111001011011101001000₂
• Hexadecimal: 0x12FB1CB748
• Base-36: 11G8BEQ0

Squares and roots of 81522374472

• 81522374472 squared (81522374472²) is 6645897539552997278784
• 81522374472 cubed (81522374472³) is 541789347921982875651026228802048
• The square root of 81522374472 is 285521.2329617537
• The cube root of 81522374472 is 4336.0299525499

Scales and comparisons

• 81,522,374,472 seconds is equal to 2,592 years, 8 weeks, 2 days, 1 minute, 12 seconds.
• To count from 1 to 81,522,374,472 would take you about five thousand, one hundred eighty-four 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 81522374472 cubic inches would be around 361.3 feet tall.

Recreational maths with 81522374472

• 81522374472 backwards is 27447322518
• The number of decimal digits it has is: 11
• The sum of 81522374472's digits is 45
• More coming soon!