81271084224672

Names of 81271084224672

• Cardinal: 81271084224672 can be written as Eighty-one trillion, two hundred seventy-one billion, eighty-four million, two hundred twenty-four thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 8.1271084224672 × 10¹³

Factors of 81271084224672

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 477

Divisors of 81271084224672

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 37 48 51 59 68 72 74 96 102 111 118 136 144 148 153 177 204 222 236 272 288 296 306 333 354 359 408 444 472 531 544 592 612 629 666 708 718 816 888 944 1003 1062 1077 1184 1224 1258 1332 1416 1436 1632 1776 1887 1888 2006 2124 2154 2183 2448 2516 2664 2832 2872 3009 3231 3481 3552 3774 4012 4248 4308 4366 4896 5032 5328 5661 5664 5744 6018 6103 6462 6549 6962 7548 8024 8496 8616 8732 9027 10064 10443 10656 11322 11488 12036 12206 12924 13098 13283 13924 15096 16048 16992 17232 17464 18054 18309 19647 20128 20886 21181 22644 24072 24412 25848 26196 26566 27848 30192 31329 32096 34464 34928 36108 36618 37111 39294 39849 41772 42362 45288 48144 48824 51696 52392 53132 54927 55696 59177 60384 62658 63543 69856 72216 73236 74222 78588 79698 83544 84724 90576 96288 97648 103392 104784 106264 109854 111333 111392 118354 119547 125316 127086 128797 128881 144432 146472 148444 157176 159396 167088 169448 177531 181152 190629 195296 209568 212528 219708 222666 225811 236708 239094 250632 254172 257594 257762 288864 292944 296888 314352 318792 333999 334176 338896 355062 360077 381258 386391 386643 425056 439416 445332 451622 473416 478188 501264 508344 515188 515524 532593 585888 593776 628704 637584 667998 677433 677792 710124 720154 762516 772782 773286 783697 878832 890664 903244 946832 956376 1002528 1016688 1030376 1031048 1065186 1080231 1159173 1159929 1187552 1249679 1275168 1335996 1354866 1420248 1440308 1525032 1545564 1546572 1567394 1757664 1781328 1806488 1893664 1912752 2032299 2033376 2060752 2062096 2130372 2160462 2189549 2190977 2318346 2319858 2351091 2499358 2671992 2709732 2840496 2880616 3050064 3091128 3093144 3134788 3240693 3562656 3612976 3749037 3825504 4064598 4121504 4124192 4260744 4320924 4379098 4381954 4636692 4639716 4702182 4768597 4998716 5343984 5419464 5680992 5761232 6100128 6182256 6186288 6269576 6481386 6568647 6572931 7053273 7225952 7498074 7603979 8129196 8521488 8641848 8758196 8763908 9273384 9279432 9404364 9537194 9997432 10687968 10838928 11247111 11522464 12364512 12372576 12539152 12962772 13137294 13145862 13322849 14106546 14305791 14996148 15207958 16258392 17042976 17283696 17516392 17527816 18546768 18558864 18808728 19074388 19705941 19718793 19994864 21244543 21677856 22494222 22811937 25078304 25925544 26274588 26291724 26645698 28213092 28611582 29992296 30415916 32516784 34567392 35032784 35055632 37093536 37117728 37617456 38148776 39411882 39437586 39968547 39989728 42489086 42917373 44988444 45623874 46238123 51851088 52549176 52583448 53291396 56426184 57223164 59984592 60831832 63733629 65033568 68435811 70065568 70111264 75234912 76297552 78823764 78875172 79937094 81066149 84978172 85834746 89976888 91247748 92476246 103702176 105098352 105166896 106582792 112852368 114446328 119905641 119969184 121663664 127467258 129267643 136871622 138714369 152595104 157647528 157750344 159874188 162132298 169956344 171669492 179953776 182495496 184952492 191200887 210196704 210333792 213165584 225704736 228892656 239811282 243198447 243327328 254934516 258535286 273743244 277428738 281347223 315295056 315500688 319748376 324264596 339912688 343338984 359907552 364990992 369904984 382401774 387802929 416143107 426331168 448634761 457785312 479622564 486396894 509869032 517070572 547486488 554857476 562694446 630590112 631001376 639496752 648529192 679825376 686677968 729595341 729981984 739809968 764803548 775605858 786048091 832286214 844041669 897269522 959245128 972793788 1019738064 1034141144 1094972976 1109714952 1125388892 1163408787 1278993504 1297058384 1345904283 1373355936 1459190682 1479619936 1529607096 1551211716 1572096182 1664572428 1688083338 1794539044 1918490256 1945587576 2039476128 2068282288 2189945952 2219429904 2250777784 2326817574 2358144273 2532125007 2594116768 2691808566 2918381364 3059214192 3102423432 3144192364 3329144856 3376166676 3589078088 3836980512 3891175152 4037712849 4136564576 4438859808 4501555568 4653635148 4716288546 4782902791 5064250014 5383617132 5836762728 6118428384 6204846864 6288384728 6658289712 6752333352 7074432819 7178156176 7626790937 7782350304 8075425698 9003111136 9307270296 9432577092 9565805582 10128500028 10767234264 11673525456 12409693728 12576769456 13316579424 13504666704 14148865638 14348708373 14356312352 15253581874 16150851396 16599486157 18614540592 18865154184 19131611164 20257000056 21534468528 22880372811 23347050912 25153538912 27009333408 28297731276 28697416746 30507163748 32301702792 33198972314 37229081184 37730308368 38263222328 40514000112 43046125119 43068937056 45760745622 49798458471 56595462552 57394833492 61014327496 64603405584 66397944628 68641118433 75460616736 76526444656 81028000224 86092250238 91521491244 99596916942 113190925104 114789666984 122028654992 129206811168 132795889256 137282236866 149395375413 153052889312 172184500476 183042982488 199193833884 226381850208 229579333968 244057309984 265591778512 274564473732 282191264669 298790750826 344369000952 366085964976 398387667768 459158667936 531183557024 549128947464 564382529338 597581501652 688738001904 732171929952 796775335536 846573794007 1098257894928 1128765058676 1195163003304 1377476003808 1593550671072 1693147588014 2196515789856 2257530117352 2390326006608 2539721382021 3386295176028 4515060234704 4780652013216 5079442764042 6772590352056 9030120469408 10158885528084 13545180704112 20317771056168 27090361408224 40635542112336 81271084224672
• Sum of all divisors σ(n): 256369431266676
• Sum of proper divisors (its aliquot sum) s(n): 175098347042004
• 81271084224672 is an abundant number, because the sum of its proper divisors (175098347042004) is greater than itself. Its abundance is 93827262817332

Bases of 81271084224672

• Binary: 10010011110101001100110000110110001000010100000₂
• Hexadecimal: 0x49EA661B10A0
• Base-36: ST3F56UG0

Squares and roots of 81271084224672

• 81271084224672 squared (81271084224672²) is 6604989131053730019373507584
• 81271084224672 cubed (81271084224672³) is 536794627972910818969929593146585751912448
• The square root of 81271084224672 is 9015047.6551525781
• The cube root of 81271084224672 is 43315.7014004443

Scales and comparisons

• 81,271,084,224,672 seconds is equal to 2,584,169 years, 4 weeks, 4 days, 21 hours, 31 minutes, 12 seconds.
• To count from 1 to 81,271,084,224,672 would take you about six million, four hundred sixty thousand, four hundred twenty-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 81271084224672 cubic inches would be around 3609.6 feet tall.

Recreational maths with 81271084224672

• 81271084224672 backwards is 27642248017218
• The number of decimal digits it has is: 14
• The sum of 81271084224672's digits is 54
• More coming soon!