80540643742

Names of 80540643742

• Cardinal: 80540643742 can be written as Eighty billion, five hundred forty million, six hundred forty-three thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 8.0540643742 × 10¹⁰

Factors of 80540643742

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 854

Divisors of 80540643742

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 13 17 26 31 34 61 62 122 173 221 346 403 442 527 557 793 806 1037 1054 1114 1586 1891 2074 2249 2941 3782 4498 5363 5882 6851 7241 9469 10553 10726 13481 13702 14482 17267 18938 21106 24583 26962 32147 33977 34534 38233 49166 64294 67954 69719 76466 91171 96361 123097 137189 139438 179401 182342 192722 224471 246194 274378 293539 327143 358802 417911 441701 448942 577609 587078 654286 835822 883402 1053287 1155218 1185223 1252693 1638137 2106574 2332213 2370446 2505386 2987191 3276274 3816007 4252859 4664426 5561431 5878021 5974382 7508917 7632014 8505718 11122862 11756042 13692731 15017834 17905879 21295781 27385462 35811758 38833483 42591562 50782247 72298603 76414273 77666966 99926357 101564494 144597206 152828546 182218651 199852714 232776427 364437302 465552854 660169211 1299042641 1320338422 2368842463 2598085282 3097717067 4737684926 6195434134 40270321871 80540643742
• Sum of all divisors σ(n): 145628679168
• Sum of proper divisors (its aliquot sum) s(n): 65088035426
• 80540643742 is a deficient number, because the sum of its proper divisors (65088035426) is less than itself. Its deficiency is 15452608316

Bases of 80540643742

• Binary: 1001011000000100110001011000110011110₂
• Hexadecimal: 0x12C098B19E
• Base-36: 10ZZTIFY

Squares and roots of 80540643742

• 80540643742 squared (80540643742²) is 6486795294375763762564
• 80540643742 cubed (80540643742³) is 522450668831600405479820600474488
• The square root of 80540643742 is 283796.8353276689
• The cube root of 80540643742 is 4318.5541097047

Scales and comparisons

• 80,540,643,742 seconds is equal to 2,560 years, 49 weeks, 9 hours, 2 minutes, 22 seconds.
• To count from 1 to 80,540,643,742 would take you about five thousand, one hundred twenty-one 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 80540643742 cubic inches would be around 359.9 feet tall.

Recreational maths with 80540643742

• 80540643742 backwards is 24734604508
• The number of decimal digits it has is: 11
• The sum of 80540643742's digits is 43
• More coming soon!