20729373231

Names of 20729373231

• Cardinal: 20729373231 can be written as Twenty billion, seven hundred twenty-nine million, three hundred seventy-three thousand, two hundred thirty-one.

Scientific notation

• Scientific notation: 2.0729373231 × 10¹⁰

Factors of 20729373231

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2188

Divisors of 20729373231

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 21 23 59 69 161 177 413 439 483 1239 1317 1357 1657 3073 4071 4971 9219 9499 10097 11599 25901 28497 30291 34797 38111 70679 77703 97763 114333 181307 212037 266777 293289 543921 595723 684341 727423 800331 1787169 2053023 2182269 2248549 4170061 5091961 6745647 12510183 15275883 15739843 16730729 42917957 47219529 50192187 117115103 128753871 300425699 351345309 901277097 987113011 2961339033 6909791077 20729373231
• Sum of all divisors σ(n): 33616281600
• Sum of proper divisors (its aliquot sum) s(n): 12886908369
• 20729373231 is a deficient number, because the sum of its proper divisors (12886908369) is less than itself. Its deficiency is 7842464862

Bases of 20729373231

• Binary: 10011010011100100010010001000101111₂
• Hexadecimal: 0x4D391222F
• Base-36: 9ITQER3

Squares and roots of 20729373231

• 20729373231 squared (20729373231²) is 429706914550099379361
• 20729373231 cubed (20729373231³) is 8907555011650434482915627285391
• The square root of 20729373231 is 143976.9885467811
• The cube root of 20729373231 is 2747.0214905739

Scales and comparisons

• 20,729,373,231 seconds is equal to 659 years, 6 weeks, 5 days, 7 hours, 13 minutes, 51 seconds.
• To count from 1 to 20,729,373,231 would take you about one thousand, three hundred eighteen 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 20729373231 cubic inches would be around 228.9 feet tall.

Recreational maths with 20729373231

• 20729373231 backwards is 13237392702
• The number of decimal digits it has is: 11
• The sum of 20729373231's digits is 39
• More coming soon!