81729393400314

Names of 81729393400314

• Cardinal: 81729393400314 can be written as Eighty-one trillion, seven hundred twenty-nine billion, three hundred ninety-three million, four hundred thousand, three hundred fourteen.

Scientific notation

• Scientific notation: 8.1729393400314 × 10¹³

Factors of 81729393400314

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 928896

Divisors of 81729393400314

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 67 81 99 121 134 162 198 201 242 297 363 402 594 603 726 737 891 1089 1206 1474 1782 1809 2178 2211 3267 3618 4422 4489 5427 6534 6633 8107 8978 9801 10854 13266 13467 16214 19602 19899 24321 26934 39798 40401 48642 49379 59697 72963 80802 98758 119394 121203 145926 148137 218889 242406 296274 363609 437778 444411 543169 656667 727218 888822 928813 1086338 1313334 1333233 1629507 1857626 2666466 2786439 3259014 3999699 4888521 5572878 7999398 8359317 9777042 10216943 14665563 16718634 20433886 25077951 29331126 30650829 43996689 50155902 61301658 62230471 75233853 87993378 91952487 112386373 124460942 150467706 183904974 186691413 224772746 275857461 337159119 373382826 551714922 560074239 674318238 684535181 827572383 1011477357 1120148478 1369070362 1655144766 1680222717 2022954714 2053605543 3034432071 3360445434 4107211086 4169441557 5040668151 6068864142 6160816629 7529886991 8338883114 9103296213 10081336302 12321633258 12508324671 15059773982 18206592426 18482449887 22589660973 25016649342 36964899774 37524974013 45179321946 45863857127 55447349661 67768982919 75049948026 91727714254 110894699322 112574922039 135537965838 137591571381 203306948757 225149844078 275183142762 337724766117 406613897514 412774714143 504502428397 609920846271 675449532234 825549428286 1009004856794 1219841692542 1238324142429 1513507285191 2476648284858 3027014570382 3714972427287 4540521855573 7429944854574 9081043711146 13621565566719 27243131133438 40864696700157 81729393400314
• Sum of all divisors σ(n): 204345956010042
• Sum of proper divisors (its aliquot sum) s(n): 122616562609728
• 81729393400314 is an abundant number, because the sum of its proper divisors (122616562609728) is greater than itself. Its abundance is 40887169209414

Bases of 81729393400314

• Binary: 10010100101010100011011011101100001100111111010₂
• Hexadecimal: 0x4A551B7619FA
• Base-36: SYXYQN1MI

Squares and roots of 81729393400314

• 81729393400314 squared (81729393400314²) is 6679693745583289619055298596
• 81729393400314 cubed (81729393400314³) is 545927317926393613578019788247335030159144
• The square root of 81729393400314 is 9040431.0406259943
• The cube root of 81729393400314 is 43396.9717284207

Scales and comparisons

• 81,729,393,400,314 seconds is equal to 2,598,741 years, 47 weeks, 5 hours, 51 minutes, 54 seconds.
• To count from 1 to 81,729,393,400,314 would take you about six million, four hundred ninety-six thousand, eight hundred fifty-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 81729393400314 cubic inches would be around 3616.4 feet tall.

Recreational maths with 81729393400314

• 81729393400314 backwards is 41300439392718
• 81729393400314 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81729393400314's digits is 54
• More coming soon!