40015129856

Names of 40015129856

• Cardinal: 40015129856 can be written as Forty billion, fifteen million, one hundred twenty-nine thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 4.0015129856 × 10¹⁰

Factors of 40015129856

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 61

Divisors of 40015129856

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 8 13 16 17 26 29 32 34 52 58 64 68 104 116 128 136 208 221 232 256 272 377 416 442 464 493 544 754 832 841 884 928 986 1088 1508 1664 1682 1768 1856 1972 2176 3016 3328 3364 3536 3712 3944 4352 6032 6409 6728 7072 7424 7888 10933 12064 12818 13456 14144 14297 15776 21866 24128 24389 25636 26912 28288 28594 31552 43732 48256 48778 51272 53824 56576 57188 63104 87464 96512 97556 102544 107648 114376 126208 174928 185861 195112 205088 215296 228752 317057 349856 371722 390224 410176 414613 457504 634114 699712 707281 743444 780448 820352 829226 915008 1268228 1399424 1414562 1486888 1560896 1640704 1658452 1830016 2536456 2798848 2829124 2973776 3121792 3316904 3660032 5072912 5389969 5658248 5947552 6243584 6633808 9194653 10145824 10779938 11316496 11895104 12023777 13267616 18389306 20291648 21559876 22632992 23790208 24047554 26535232 36778612 40583296 43119752 45265984 47580416 48095108 53070464 73557224 81166592 86239504 90531968 96190216 106140928 147114448 156309101 172479008 181063936 192380432 294228896 312618202 344958016 384760864 588457792 625236404 689916032 769521728 1176915584 1250472808 1379832064 1539043456 2353831168 2500945616 3078086912 5001891232 10003782464 20007564928 40015129856
• Sum of all divisors σ(n): 94330769652
• Sum of proper divisors (its aliquot sum) s(n): 54315639796
• 40015129856 is an abundant number, because the sum of its proper divisors (54315639796) is greater than itself. Its abundance is 14300509940

Bases of 40015129856

• Binary: 100101010001000101100110110100000000₂
• Hexadecimal: 0x951166D00
• Base-36: IDRZ3SW

Squares and roots of 40015129856

• 40015129856 squared (40015129856²) is 1601210617392542580736
• 40015129856 cubed (40015129856³) is 64072650781768523494160404054016
• The square root of 40015129856 is 200037.8210639179
• The cube root of 40015129856 is 3420.3830338295

Scales and comparisons

• 40,015,129,856 seconds is equal to 1,272 years, 18 weeks, 4 days, 1 hour, 50 minutes, 56 seconds.
• To count from 1 to 40,015,129,856 would take you about two thousand, five hundred forty-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 40015129856 cubic inches would be around 285 feet tall.

Recreational maths with 40015129856

• 40015129856 backwards is 65892151004
• The number of decimal digits it has is: 11
• The sum of 40015129856's digits is 41
• More coming soon!