18397832973

Names of 18397832973

• Cardinal: 18397832973 can be written as Eighteen billion, three hundred ninety-seven million, eight hundred thirty-two thousand, nine hundred seventy-three.

Scientific notation

• Scientific notation: 1.8397832973 × 10¹⁰

Factors of 18397832973

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1962

Divisors of 18397832973

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 13 17 31 37 39 51 93 111 169 221 403 481 507 527 629 663 1147 1209 1443 1581 1861 1887 2873 3441 5239 5583 6253 6851 8177 8619 14911 15717 18759 19499 20553 24193 24531 31637 44733 57691 58497 68857 72579 89063 94911 106301 173073 193843 206571 253487 267189 314509 318903 411281 581529 749983 760461 895141 943527 980747 1170569 1233843 2134567 2249949 2685423 2942241 3295331 3511707 5346653 6403701 9749779 9885993 11636833 12749711 15217397 16039959 27749371 29249337 34910499 36287639 38249133 45652191 83248113 108862917 165746243 197826161 360741823 471739307 497238729 593478483 1082225469 1415217921 6132610991 18397832973
• Sum of all divisors σ(n): 29832993792
• Sum of proper divisors (its aliquot sum) s(n): 11435160819
• 18397832973 is a deficient number, because the sum of its proper divisors (11435160819) is less than itself. Its deficiency is 6962672154

Bases of 18397832973

• Binary: 10001001000100110001010011100001101₂
• Hexadecimal: 0x44898A70D
• Base-36: 8G9LERX

Squares and roots of 18397832973

• 18397832973 squared (18397832973²) is 338480258102406018729
• 18397832973 cubed (18397832973³) is 6227303253225995862006051751317
• The square root of 18397832973 is 135638.6116598073
• The cube root of 18397832973 is 2639.9085986205

Scales and comparisons

• 18,397,832,973 seconds is equal to 584 years, 51 weeks, 4 days, 21 hours, 9 minutes, 33 seconds.
• To count from 1 to 18,397,832,973 would take you about one thousand, one hundred sixty-nine 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 18397832973 cubic inches would be around 220 feet tall.

Recreational maths with 18397832973

• 18397832973 backwards is 37923879381
• The number of decimal digits it has is: 11
• The sum of 18397832973's digits is 60
• More coming soon!