81678033856512

Names of 81678033856512

• Cardinal: 81678033856512 can be written as Eighty-one trillion, six hundred seventy-eight billion, thirty-three million, eight hundred fifty-six thousand, five hundred twelve.

Scientific notation

• Scientific notation: 8.1678033856512 × 10¹³

Factors of 81678033856512

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 275

Divisors of 81678033856512

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 41 48 54 64 72 81 82 96 108 123 128 144 162 164 192 216 229 246 256 288 324 328 369 384 432 458 492 512 576 648 656 687 738 768 864 916 984 1024 1107 1152 1296 1312 1374 1476 1536 1728 1832 1968 2048 2061 2214 2304 2592 2624 2748 2952 3072 3321 3456 3664 3936 4122 4428 4608 5184 5248 5496 5904 6144 6183 6642 6912 7328 7872 8244 8856 9216 9389 10368 10496 10992 11808 12366 13284 13824 14656 15744 16488 17712 18432 18549 18778 20736 20992 21984 23616 24732 26568 27648 28167 29312 31488 32976 35424 37098 37556 41472 41984 43968 47232 49464 52441 53136 55296 56334 58624 62976 65952 70848 74196 75112 82944 83968 84501 87936 94464 98928 104882 106272 112668 117248 125952 131904 141696 148392 150224 157323 165888 169002 175872 188928 197856 209764 212544 225336 234496 251904 253503 263808 283392 296784 300448 314646 338004 351744 377856 395712 419528 425088 450672 468992 471969 507006 527616 566784 593568 600896 629292 676008 703488 755712 760509 791424 839056 850176 901344 943938 1014012 1055232 1133568 1187136 1201792 1258584 1352016 1406976 1415907 1521018 1582848 1678112 1700352 1802688 1887876 2028024 2110464 2150081 2267136 2374272 2403584 2517168 2704032 2831814 3042036 3165696 3356224 3400704 3605376 3775752 4056048 4220928 4247721 4300162 4748544 4807168 5034336 5408064 5663628 6084072 6331392 6450243 6712448 6801408 7210752 7551504 8112096 8495442 8600324 9497088 9614336 10068672 10816128 11327256 12008989 12168144 12662784 12900486 13424896 14421504 15103008 16224192 16990884 17200648 18994176 19228672 19350729 20137344 21632256 22654512 24017978 24336288 25800972 26849792 28843008 30206016 32448384 33981768 34401296 36026967 37988352 38701458 40274688 43264512 45309024 48035956 48672576 51601944 53699584 57686016 58052187 60412032 64896768 67963536 68802592 72053934 77402916 80549376 86529024 90618048 96071912 97345152 103203888 107399168 108080901 116104374 120824064 129793536 135927072 137605184 144107868 154805832 161098752 173058048 174156561 181236096 192143824 194690304 206407776 216161802 232208748 241648128 259587072 271854144 275210368 288215736 309611664 322197504 324242703 348313122 362472192 384287648 389380608 412815552 432323604 464417496 483296256 492368549 519174144 543708288 550420736 576431472 619223328 648485406 696626244 724944384 768575296 778761216 825631104 864647208 928834992 966592512 972728109 984737098 1087416576 1100841472 1152862944 1238446656 1296970812 1393252488 1449888768 1477105647 1537150592 1557522432 1651262208 1729294416 1857669984 1945456218 1969474196 2174833152 2201682944 2305725888 2476893312 2593941624 2786504976 2899777536 2954211294 3074301184 3302524416 3458588832 3715339968 3890912436 3938948392 4349666304 4403365888 4431316941 4611451776 4953786624 5187883248 5573009952 5908422588 6148602368 6605048832 6917177664 7430679936 7781824872 7877896784 8699332608 8862633882 9222903552 9907573248 10375766496 11146019904 11816845176 12297204736 13210097664 13293950823 13834355328 14861359872 15563649744 15755793568 17725267764 18445807104 19815146496 20751532992 22292039808 23633690352 24594409472 26587901646 27668710656 29722719744 31127299488 31511587136 35450535528 36891614208 39630292992 39881852469 41503065984 44584079616 47267380704 53175803292 55337421312 59445439488 62254598976 63023174272 70901071056 73783228416 79763704938 83006131968 89168159232 94534761408 106351606584 110674842624 118890878976 124509197952 126046348544 141802142112 159527409876 166012263936 178336318464 189069522816 212703213168 221349685248 249018395904 252092697088 283604284224 319054819752 332024527872 356672636928 378139045632 425406426336 498036791808 504185394176 567208568448 638109639504 664049055744 756278091264 850812852672 996073583616 1008370788352 1134417136896 1276219279008 1512556182528 1701625705344 1992147167232 2268834273792 2552438558016 3025112365056 3403251410688 4537668547584 5104877116032 6806502821376 9075337095168 10209754232064 13613005642752 20419508464128 27226011285504 40839016928256 81678033856512
• Sum of all divisors σ(n): 251012673311400
• Sum of proper divisors (its aliquot sum) s(n): 169334639454888
• 81678033856512 is an abundant number, because the sum of its proper divisors (169334639454888) is greater than itself. Its abundance is 87656605598376

Bases of 81678033856512

• Binary: 10010100100100100100110001100011010100000000000₂
• Hexadecimal: 0x4A492631A800
• Base-36: SYADCHS00

Squares and roots of 81678033856512

• 81678033856512 squared (81678033856512²) is 6671301214665520535404806144
• 81678033856512 cubed (81678033856512³) is 544898766478440016228565749408876072009728
• The square root of 81678033856512 is 9037590.0469379557
• The cube root of 81678033856512 is 43387.8794642327

Scales and comparisons

• 81,678,033,856,512 seconds is equal to 2,597,108 years, 43 weeks, 1 day, 1 hour, 55 minutes, 12 seconds.
• To count from 1 to 81,678,033,856,512 would take you about six million, four hundred ninety-two thousand, seven hundred seventy-two 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 81678033856512 cubic inches would be around 3615.7 feet tall.

Recreational maths with 81678033856512

• 81678033856512 backwards is 21565833087618
• The number of decimal digits it has is: 14
• The sum of 81678033856512's digits is 63
• More coming soon!