81797427718230016

Names of 81797427718230016

• Cardinal: 81797427718230016 can be written as Eighty-one quadrillion, seven hundred ninety-seven trillion, four hundred twenty-seven billion, seven hundred eighteen million, two hundred thirty thousand and sixteen.

Scientific notation

• Scientific notation: 8.1797427718230016 × 10¹⁶

Factors of 81797427718230016

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 1301

Divisors of 81797427718230016

• Number of divisors d(n): 351
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 128 169 208 256 338 379 416 512 676 758 832 907 1024 1352 1516 1664 1814 2048 2704 3032 3328 3628 4096 4927 5408 6064 6656 7256 9854 10816 11791 12128 13312 14512 19708 21632 23582 24256 26624 29024 39416 43264 47164 48512 53248 58048 64051 78832 86528 94328 97024 116096 128102 143641 153283 157664 173056 188656 194048 232192 256204 287282 306566 315328 343753 346112 377312 388096 464384 512408 574564 613132 630656 687506 692224 754624 776192 822649 928768 1024816 1149128 1226264 1261312 1375012 1509248 1552384 1645298 1857536 1867333 2049632 2298256 2452528 2522624 2750024 3018496 3290596 3715072 3734666 4099264 4468789 4596512 4905056 5045248 5500048 6036992 6581192 7469332 8198528 8937578 9193024 9810112 10090496 10694437 11000096 12073984 13162384 14938664 16397056 17875156 18386048 19620224 20180992 21388874 22000192 24147968 24275329 26324768 29877328 32794112 35750312 36772096 39240448 42777748 44000384 48295936 48550658 52649536 58094257 59754656 65588224 71500624 73544192 78480896 85555496 88000768 97101316 105299072 116188514 119509312 130282387 131176448 139027681 143001248 147088384 156961792 171110992 176001536 194202632 210598144 232377028 239018624 260564774 262352896 278055362 286002496 294176768 311783971 313923584 342221984 352003072 388405264 421196288 464754056 478037248 521129548 556110724 572004992 588353536 623567942 627847168 684443968 704006144 776810528 842392576 929508112 956074496 1042259096 1112221448 1144009984 1247135884 1368887936 1408012288 1553621056 1684785152 1693671031 1859016224 1912148992 2084518192 2224442896 2288019968 2494271768 2737775872 3107242112 3369570304 3387342062 3718032448 3824297984 4053191623 4169036384 4448885792 4576039936 4988543536 5475551744 6214484224 6774684124 7436064896 7648595968 8106383246 8338072768 8897771584 9152079872 9977087072 10951103488 12428968448 13549368248 14872129792 16212766492 16676145536 17795543168 18304159744 19954174144 21902206976 22017723403 24857936896 27098736496 29744259584 32425532984 33352291072 35591086336 39908348288 43804413952 44035446806 49715873792 52691491099 54197472992 59488519168 64851065968 66704582144 71182172672 79816696576 88070893612 99431747584 105382982198 108394945984 118166125009 118977038336 129702131936 133409164288 142364345344 159633393152 176141787224 210765964396 216789891968 236332250018 237954076672 259404263872 266818328576 284728690688 319266786304 352283574448 421531928792 433579783936 472664500036 518808527744 533636657152 569457381376 638533572608 704567148896 843063857584 867159567872 945329000072 1037617055488 1277067145216 1409134297792 1536159625117 1686127715168 1734319135744 1890658000144 2075234110976 2818268595584 3072319250234 3372255430336 3468638271488 3781316000288 4150468221952 5636537191168 6144638500468 6744510860672 6937276542976 7562632000576 8300936443904 11273074382336 12289277000936 13489021721344 15125264001152 16601872887808 19970075126521 22546148764672 24578554001872 26978043442688 30250528002304 39940150253042 45092297529344 49157108003744 53956086885376 60501056004608 79880300506084 90184595058688 98314216007488 107912173770752 121002112009216 159760601012168 196628432014976 215824347541504 242004224018432 319521202024336 393256864029952 484008448036864 639042404048672 786513728059904 1278084808097344 1573027456119808 2556169616194688 3146054912239616 5112339232389376 6292109824479232 10224678464778752 20449356929557504 40898713859115008 81797427718230016
• Sum of all divisors σ(n): 177790069896176241
• Sum of proper divisors (its aliquot sum) s(n): 95992642177946225
• 81797427718230016 is an abundant number, because the sum of its proper divisors (95992642177946225) is greater than itself. Its abundance is 14195214459716209

Bases of 81797427718230016

• Binary: 100100010100110100101001110111110101011111001000000000000₂
• Hexadecimal: 0x1229A53BEAF9000
• Base-36: MDERNJ8FOXS

Squares and roots of 81797427718230016

• 81797427718230016 squared (81797427718230016²) is 6690819181319064121792019883360256
• 81797427718230016 cubed (81797427718230016³) is 547291798359693078862500180891417444359466800644096
• 81797427718230016 is a perfect square number. Its square root is 286002496
• The cube root of 81797427718230016 is 434090.1009217179

Scales and comparisons

• 81,797,427,718,230,016 seconds is equal to 2,600,905,185 years, 19 weeks, 6 days, 12 hours, 20 minutes, 16 seconds.
• To count from 1 to 81,797,427,718,230,016 would take you about seven billion, eight hundred two million, seven hundred fifteen thousand, five hundred fifty-six 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 81797427718230016 cubic inches would be around 36174.2 feet tall.

Recreational maths with 81797427718230016

• 81797427718230016 backwards is 61003281772479718
• The number of decimal digits it has is: 17
• The sum of 81797427718230016's digits is 73
• More coming soon!