81843489474012

Names of 81843489474012

• Cardinal: 81843489474012 can be written as Eighty-one trillion, eight hundred forty-three billion, four hundred eighty-nine million, four hundred seventy-four thousand and twelve.

Scientific notation

• Scientific notation: 8.1843489474012 × 10¹³

Factors of 81843489474012

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4818

Divisors of 81843489474012

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 17 18 21 28 34 36 42 49 51 63 68 84 98 102 119 126 147 153 196 204 238 252 289 294 306 343 357 441 476 578 588 612 686 714 833 867 882 1029 1071 1156 1372 1428 1666 1734 1764 2023 2058 2142 2499 2601 3087 3332 3468 4046 4116 4284 4789 4998 5202 5831 6069 6174 7497 8092 9578 9996 10404 11662 12138 12348 14161 14367 14994 17493 18207 19156 23324 24276 28322 28734 29988 33523 34986 36414 42483 43101 52479 56644 57468 67046 69972 72828 81413 84966 86202 99127 100569 104958 127449 134092 162826 169932 172404 198254 201138 209916 234661 244239 254898 297381 301707 325652 396508 402276 469322 488478 509796 569891 594762 603414 703983 732717 892143 938644 976956 1139782 1189524 1206828 1384021 1407966 1465434 1642627 1709673 1784286 2111949 2279564 2768042 2815932 2930868 3285254 3419346 3568572 3989237 4152063 4223898 4927881 5129019 5536084 6570508 6838692 7978474 8304126 8447796 9688147 9855762 10258038 11967711 12456189 14783643 15956948 16608252 19376294 19711524 20516076 22934521 23935422 24912378 27924659 29064441 29567286 35903133 38752588 45869042 47870844 49824756 55849318 58128882 59134572 67817029 68803563 71806266 83773977 87193323 91738084 111698636 116257764 135634058 137607126 143612532 160541647 167547954 174386646 203451087 206410689 251321931 271268116 275214252 321083294 335095908 348773292 389886857 406902174 412821378 474719203 481624941 502643862 610353261 642166588 779773714 813804348 825642756 949438406 963249882 1005287724 1123791529 1169660571 1220706522 1424157609 1444874823 1559547428 1898876812 1926499764 2247583058 2339321142 2441413044 2729207999 2848315218 2889749646 3371374587 3508981713 4272472827 4495166116 4678642284 5458415998 5696630436 5779499292 6628076569 6742749174 7017963426 7866540703 8187623997 8544945654 10114123761 10916831996 13256153138 13485498348 14035926852 15733081406 16375247994 17089891308 19104455993 19884229707 20228247522 23599622109 24562871991 26512306276 31466162812 32750495988 38208911986 39768459414 40456495044 46396535983 47199244218 49125743982 57313367979 59652689121 70798866327 76417823972 79536918828 92793071966 94398488436 98251487964 114626735958 119305378242 133731191951 139189607949 141597732654 171940103937 185586143932 229253471916 238610756484 267462383902 278379215898 283195465308 324775751881 343880207874 401193575853 417568823847 534924767804 556758431796 649551503762 687760415748 802387151706 835137647694 974327255643 1203580727559 1299103007524 1604774303412 1670275295388 1948654511286 2273430263167 2407161455118 2922981766929 3897309022572 4546860526334 4814322910236 5845963533858 6820290789501 9093721052668 11691927067716 13640581579002 20460872368503 27281163158004 40921744737006 81843489474012
• Sum of all divisors σ(n): 256342212562800
• Sum of proper divisors (its aliquot sum) s(n): 174498723088788
• 81843489474012 is an abundant number, because the sum of its proper divisors (174498723088788) is greater than itself. Its abundance is 92655233614776

Bases of 81843489474012

• Binary: 10010100110111110101100000111100000010111011100₂
• Hexadecimal: 0x4A6FAC1E05DC
• Base-36: T0EDOHVJ0

Squares and roots of 81843489474012

• 81843489474012 squared (81843489474012²) is 6698356769282713040423376144
• 81843489474012 cubed (81843489474012³) is 548216891739966751535284514501491788769728
• The square root of 81843489474012 is 9046739.1624834637
• The cube root of 81843489474012 is 43417.1567217023

Scales and comparisons

• 81,843,489,474,012 seconds is equal to 2,602,369 years, 41 weeks, 6 days, 15 hours, 40 minutes, 12 seconds.
• To count from 1 to 81,843,489,474,012 would take you about six million, five hundred five thousand, nine hundred twenty-four 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 81843489474012 cubic inches would be around 3618.1 feet tall.

Recreational maths with 81843489474012

• 81843489474012 backwards is 21047498434818
• 81843489474012 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81843489474012's digits is 63
• More coming soon!