18801612728073

Names of 18801612728073

• Cardinal: 18801612728073 can be written as Eighteen trillion, eight hundred one billion, six hundred twelve million, seven hundred twenty-eight thousand and seventy-three.

Scientific notation

• Scientific notation: 1.8801612728073 × 10¹³

Factors of 18801612728073

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12401

Divisors of 18801612728073

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 63 131 393 439 917 1179 1317 2751 3073 3951 8253 9219 11821 27657 35463 57509 82747 106389 172527 192721 248241 402563 517581 578163 744723 1207689 1349047 1548551 1734489 3623067 4047141 4645653 5189419 10839857 12141423 13936959 15568257 25246451 32519571 36325933 46704771 75739353 97558713 108977799 176725157 227218059 326933397 530175471 679813889 1590526413 2039441667 2278154941 4758697223 6118325001 6834464823 14276091669 15947084587 20503394469 42828275007 47841253761 143523761283 298438297271 895314891813 2089068080897 2685944675439 6267204242691 18801612728073
• Sum of all divisors σ(n): 31348565366976
• Sum of proper divisors (its aliquot sum) s(n): 12546952638903
• 18801612728073 is a deficient number, because the sum of its proper divisors (12546952638903) is less than itself. Its deficiency is 6254660089170

Bases of 18801612728073

• Binary: 100010001100110010111011100101010011100001001₂
• Hexadecimal: 0x11199772A709
• Base-36: 6NXCARWG9

Squares and roots of 18801612728073

• 18801612728073 squared (18801612728073²) is 353500641176436637442293329
• 18801612728073 cubed (18801612728073³) is 6646382154524857523026423494569178925017
• The square root of 18801612728073 is 4336082.6477447359
• The cube root of 18801612728073 is 26590.8182115483

Scales and comparisons

• 18,801,612,728,073 seconds is equal to 597,833 years, 6 weeks, 4 days, 10 hours, 14 minutes, 33 seconds.
• To count from 1 to 18,801,612,728,073 would take you about one million, four hundred ninety-four thousand, five hundred eighty-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 18801612728073 cubic inches would be around 2215.9 feet tall.

Recreational maths with 18801612728073

• 18801612728073 backwards is 37082721610881
• The number of decimal digits it has is: 14
• The sum of 18801612728073's digits is 54
• More coming soon!