81642425508577024

Names of 81642425508577024

• Cardinal: 81642425508577024 can be written as Eighty-one quadrillion, six hundred forty-two trillion, four hundred twenty-five billion, five hundred eight million, five hundred seventy-seven thousand and twenty-four.

Scientific notation

• Scientific notation: 8.1642425508577024 × 10¹⁶

Factors of 81642425508577024

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 150661

Divisors of 81642425508577024

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 37 52 56 64 74 91 104 112 128 148 182 208 224 256 259 296 364 416 448 481 518 592 728 832 896 962 1036 1184 1369 1456 1664 1792 1924 2072 2368 2738 2912 3328 3367 3848 4144 4736 5476 5824 6734 7696 8288 9472 9583 10952 11648 13468 15392 16576 17797 19166 19531 21904 23296 26936 30784 33152 35594 38332 39062 43808 53872 61568 66304 71188 76664 78124 87616 107744 123136 124579 131071 136717 142376 153328 156248 175232 215488 249158 253903 262142 273434 284752 306656 312496 350464 430976 498316 507806 524284 546868 569504 613312 624992 722647 861952 917497 996632 1015612 1048568 1093736 1139008 1226624 1249984 1445294 1703923 1777321 1834994 1993264 2031224 2097136 2187472 2278016 2453248 2499968 2890588 3407846 3554642 3669988 3986528 4062448 4194272 4374944 4556032 4849627 4999936 5058529 5781176 6815692 7109284 7339976 7973056 8124896 8388544 8749888 9394411 9699254 10117058 11562352 11927461 13631384 14218568 14679952 15946112 16249792 16777088 17499776 18788822 19398508 20234116 23124704 23854922 26737939 27262768 28437136 29359904 31892224 32499584 33554176 33947389 34999552 37577644 38797016 40468232 46249408 47709844 53475878 54525536 56874272 58719808 63045151 64999168 65760877 67894778 75155288 77594032 80936464 92498816 95419688 106951756 109051072 113748544 117439616 126090302 131521754 135789556 150310576 155188064 161872928 179436199 184997632 187165573 190839376 213903512 218102144 227497088 234879232 252180604 263043508 271579112 300621152 310376128 323745856 347593207 358872398 374331146 381678752 427807024 436204288 441316057 454994176 504361208 526087016 543158224 601242304 620752256 647491712 695186414 717744796 748662292 763357504 855614048 882632114 1008722416 1052174032 1086316448 1202484608 1241504512 1256053393 1294983424 1390372828 1435489592 1497324584 1526715008 1711228096 1765264228 2017444832 2104348064 2172632896 2332670587 2404969216 2433152449 2512106786 2559947701 2780745656 2870979184 2994649168 3053430016 3422456192 3530528456 4034889664 4208696128 4345265792 4665341174 4866304898 5024213572 5119895402 5561491312 5741958368 5989298336 6844912384 7061056912 8069779328 8417392256 8690531584 9330682348 9732609796 10048427144 10239790804 11122982624 11483916736 11978596672 14122113824 16139558656 16328694109 16834784512 17919633907 18661364696 19465219592 20096854288 20479581608 22245965248 22967833472 23957193344 28244227648 32657388218 33279320113 35839267814 37322729392 38930439184 40193708576 40959163216 44491930496 45935666944 47914386688 56488455296 65314776436 66558640226 71678535628 74645458784 77860878368 80387417152 81918326432 88983860992 94718064937 112976910592 130629552872 133117280452 143357071256 149290917568 155721756736 160774834304 163836652864 189436129874 232955240791 261259105744 266234560904 286714142512 298581835136 311443513472 321549668608 327673305728 378872259748 465910481582 522518211488 532469121808 573428285024 597163670272 622887026944 655346611456 663026454559 757744519496 931820963164 1045036422976 1064938243616 1146856570048 1231334844181 1326052909118 1515489038992 1863641926328 2090072845952 2129876487232 2293713140096 2462669688362 2652105818236 3030978077984 3504568402669 3727283852656 4180145691904 4259752974464 4587426280192 4925339376724 5304211636472 6061956155968 7009136805338 7454567705312 8519505948928 8619343909267 9850678753448 10608423272944 12123912311936 14018273610676 14909135410624 17238687818534 19701357506896 21216846545888 24247824623872 24531978818683 28036547221352 29818270821248 34477375637068 39402715013792 42433693091776 45559389234697 49063957637366 56073094442704 59636541642496 68954751274136 78805430027584 84867386183552 91118778469394 98127915274732 112146188885408 137909502548272 157610860055168 169734772367104 182237556938788 196255830549464 224292377770816 275819005096544 315221720110336 318915724642879 364475113877576 392511661098928 448584755541632 551638010193088 637831449285758 728950227755152 785023322197856 897169511083264 1103276020386176 1275662898571516 1457900455510304 1570046644395712 2206552040772352 2551325797143032 2915800911020608 3140093288791424 5102651594286064 5831601822041216 6280186577582848 10205303188572128 11663203644082432 20410606377144256 40821212754288512 81642425508577024
• Sum of all divisors σ(n): 206153001411280896
• Sum of proper divisors (its aliquot sum) s(n): 124510575902703872
• 81642425508577024 is an abundant number, because the sum of its proper divisors (124510575902703872) is greater than itself. Its abundance is 42868150394126848

Bases of 81642425508577024

• Binary: 100100010000011010101101001111011000010100011111100000000₂
• Hexadecimal: 0x1220D5A7B0A3F00
• Base-36: MBVTOI2UHOG

Squares and roots of 81642425508577024

• 81642425508577024 squared (81642425508577024²) is 6665485642923548335936989340696576
• 81642425508577024 cubed (81642425508577024³) is 544186415080875427543395329184605944247986709069824
• The square root of 81642425508577024 is 285731386.9853590725
• The cube root of 81642425508577024 is 433815.7342247077

Scales and comparisons

• 81,642,425,508,577,024 seconds is equal to 2,595,976,594 years, 29 weeks, 4 days, 8 hours, 17 minutes, 4 seconds.
• To count from 1 to 81,642,425,508,577,024 would take you about seven billion, seven hundred eighty-seven million, nine hundred twenty-nine thousand, seven hundred eighty-three 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 81642425508577024 cubic inches would be around 36151.3 feet tall.

Recreational maths with 81642425508577024

• 81642425508577024 backwards is 42077580552424618
• The number of decimal digits it has is: 17
• The sum of 81642425508577024's digits is 70
• More coming soon!