81997859797704

Names of 81997859797704

• Cardinal: 81997859797704 can be written as Eighty-one trillion, nine hundred ninety-seven billion, eight hundred fifty-nine million, seven hundred ninety-seven thousand, seven hundred four.

Scientific notation

• Scientific notation: 8.1997859797704 × 10¹³

Factors of 81997859797704

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1511

Divisors of 81997859797704

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 24 34 36 41 51 68 72 79 82 102 123 127 136 149 153 158 164 204 237 246 254 298 306 316 328 369 381 408 447 474 492 508 596 612 632 697 711 738 762 894 948 984 1016 1093 1143 1192 1224 1341 1343 1394 1422 1476 1524 1788 1896 2091 2159 2186 2286 2533 2682 2686 2788 2844 2952 3048 3239 3279 3576 4029 4182 4318 4372 4572 5066 5207 5364 5372 5576 5688 6109 6273 6477 6478 6558 7599 8058 8364 8636 8744 9144 9717 9837 10033 10132 10414 10728 10744 11771 12087 12218 12546 12954 12956 13116 15198 15621 16116 16728 17272 18327 18581 18923 19431 19434 19674 20066 20264 20828 22797 23542 24174 24436 25092 25908 25912 26232 29151 30099 30396 31242 32232 35313 36654 37162 37846 38862 38868 39348 40132 41656 44813 45594 46863 47084 48348 48872 50184 51816 54981 55063 55743 56769 58302 60198 60792 62484 70626 73308 74324 75692 77724 77736 78696 80264 86347 88519 89626 90297 91188 93726 94168 96696 103853 105939 109962 110126 111486 113538 116604 120396 124968 134439 138811 141252 146616 148648 151384 155448 162857 165189 167229 170307 170561 172694 177038 179252 180594 182376 187452 200107 207706 211878 219924 220252 222972 227076 233208 240792 259041 265557 268878 277622 282504 311559 321691 325714 330378 334458 340614 341122 345388 354076 358504 361188 374904 400214 403317 411353 415412 416433 423756 439848 440504 445944 454152 482611 488571 495567 511683 518082 531114 537756 555244 600321 623118 643382 651428 660756 668916 681228 682244 690776 708152 722376 761821 775843 777123 796671 800428 806634 822706 830824 832866 847512 934677 965073 965222 977142 991134 1023366 1036164 1062228 1075512 1110488 1200642 1234059 1246236 1249299 1286764 1302856 1321512 1337832 1362456 1364488 1447833 1465713 1467899 1494917 1523642 1535049 1551686 1554246 1593342 1600856 1613268 1645412 1665732 1800963 1869354 1930146 1930444 1954284 1982268 2046732 2072328 2124456 2285463 2327529 2359787 2401284 2468118 2492472 2498598 2573528 2768569 2895219 2895666 2931426 2935798 2989834 3047284 3070098 3103372 3108492 3186684 3226536 3290824 3331464 3540227 3601926 3702177 3738708 3860292 3860888 3908568 3964536 4093464 4343499 4403697 4484751 4570926 4655058 4719574 4802568 4936236 4997196 5537138 5691251 5790438 5791332 5862852 5871596 5979668 6094568 6140196 6206744 6216984 6373368 6677137 6856389 6982587 6993001 7079361 7080454 7203852 7404354 7477416 7720584 8204387 8305707 8686998 8807394 8969502 9141852 9310116 9439148 9872472 9994392 10620681 10966069 11074276 11382502 11580876 11582664 11725704 11743192 11959336 12280392 12865703 13189331 13211091 13354274 13454253 13712778 13965174 13986002 14158722 14160908 14407704 14808708 16408774 16611414 17073753 17373996 17614788 17939004 18283704 18620232 18878296 20031411 20682839 20979003 21238083 21241362 21932138 22148552 22765004 23161752 24613161 24917121 25413589 25731406 26378662 26422182 26708548 26908506 27425556 27930348 27972004 28317444 28321816 29617416 31862043 32817548 32898207 33222828 34147506 34747992 35229576 35878008 38597109 39567993 40062822 41365678 41958006 42476166 42482724 43864276 45530008 49226322 49834242 50827178 51221259 51462812 52757324 52844364 53417096 53817012 54851112 55860696 55944008 56634888 60094233 60183859 61291597 62048517 62937009 63724086 65635096 65796414 66445656 68295012 73839483 76240767 77194218 79135986 80125644 82731356 83916012 84952332 84965448 87728552 96751267 98452644 98694621 99668484 101654356 102442518 102925624 105514648 105688728 107634024 113511329 115791327 118703979 120188466 120367718 122583194 124097034 125874018 127448172 131592828 136590024 147678966 152481534 154388436 158271972 160251288 165462712 167832024 169904664 180551577 183874791 186145551 186423173 193502534 196905288 197389242 199336968 203308712 204885036 218716951 227022658 228722301 231582654 237407958 240376932 240735436 245166388 248194068 251748036 254896344 263185656 290253801 295357932 304963068 308776872 316543944 340533987 351608263 361103154 367749582 372291102 372846346 387005068 394778484 409770072 437433902 449608829 454045316 457444602 463165308 474815916 480753864 481470872 490332776 496388136 503496072 527493823 541654731 551624373 559269519 580507602 590715864 609926136 656150853 681067974 703216526 722206308 735499164 744582204 745692692 774010136 789556968 847996399 870761403 874867804 899217658 908090632 914889204 926330616 949631832 1021601961 1041957149 1054824789 1054987646 1083309462 1103248746 1118539038 1161015204 1312301706 1348826487 1362135948 1406433052 1444412616 1470998328 1489164408 1491385384 1582481469 1633944281 1677808557 1695992798 1741522806 1749735608 1798435316 1829778408 1968452559 2043203922 2083914298 2109649578 2109975292 2166618924 2206497492 2237078076 2322030408 2543989197 2624603412 2697652974 2724271896 2812866104 3125871447 3164474367 3164962938 3267888562 3355617114 3391985596 3483045612 3596870632 3936905118 4046479461 4086407844 4167828596 4219299156 4219950584 4333237848 4412994984 4474156152 4747444407 4901832843 5087978394 5249206824 5395305948 6251742894 6328948734 6329925876 6535777124 6711234228 6783971192 6966091224 7631967591 7643350093 7873810236 8092958922 8172815688 8335657192 8438598312 8967394991 9377614341 9494888814 9803665686 10175956788 10790611896 12503485788 12657897468 12659851752 13071554248 13422468456 14415938783 14705498529 15263935182 15286700186 15747620472 16185917844 17934789982 18755228682 18989777628 19607331372 20351913576 22930050279 25006971576 25315794936 26902184973 27777052777 28831877566 29410997058 30527870364 30573400372 32371835688 35869579964 37510457364 37979555256 39214662744 43247816349 45860100558 53804369946 55554105554 57663755132 58821994116 61055740728 61146800744 66991715521 68790150837 71739159928 75020914728 80706554919 83331158331 86495632698 91720201116 107608739892 111108211108 115327510264 117643988232 129743449047 133983431042 137580301674 161413109838 166662316662 172991265396 183440402232 200975146563 215217479784 222216422216 249993474993 259486898094 267966862084 275160603348 322826219676 333324633324 345982530792 401950293126 499986949986 518973796188 535933724168 550321206696 602925439689 645652439352 666649266648 803900586252 999973899972 1037947592376 1138859163857 1205850879378 1607801172504 1999947799944 2277718327714 2411701758756 3416577491571 4555436655428 4823403517512 6833154983142 9110873310856 10249732474713 13666309966284 20499464949426 27332619932568 40998929898852 81997859797704
• Sum of all divisors σ(n): 247722209280000
• Sum of proper divisors (its aliquot sum) s(n): 165724349482296
• 81997859797704 is an abundant number, because the sum of its proper divisors (165724349482296) is greater than itself. Its abundance is 83726489684592

Bases of 81997859797704

• Binary: 10010101001001110011101010011100011101011001000₂
• Hexadecimal: 0x4A939D4E3AC8
• Base-36: T2DAOLNM0

Squares and roots of 81997859797704

• 81997859797704 squared (81997859797704²) is 6723649011403921867803671616
• 81997859797704 cubed (81997859797704³) is 551324828966069888356136194485530206769664
• The square root of 81997859797704 is 9055266.9644634995
• The cube root of 81997859797704 is 43444.4368841031

Scales and comparisons

• 81,997,859,797,704 seconds is equal to 2,607,278 years, 15 weeks, 6 days, 5 hours, 8 minutes, 24 seconds.
• To count from 1 to 81,997,859,797,704 would take you about six million, five hundred eighteen thousand, one hundred ninety-five 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 81997859797704 cubic inches would be around 3620.4 feet tall.

Recreational maths with 81997859797704

• 81997859797704 backwards is 40779795879918
• The number of decimal digits it has is: 14
• The sum of 81997859797704's digits is 90
• More coming soon!