72164639313

Names of 72164639313

• Cardinal: 72164639313 can be written as Seventy-two billion, one hundred sixty-four million, six hundred thirty-nine thousand, three hundred thirteen.

Scientific notation

• Scientific notation: 7.2164639313 × 10¹⁰

Factors of 72164639313

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 234

Divisors of 72164639313

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 9 13 27 39 79 81 117 139 237 351 417 711 1027 1053 1251 1807 2133 3081 3753 5421 6241 6399 9243 10981 11259 16263 18723 27729 32943 48789 56169 81133 83187 98829 142753 146367 168507 243399 296487 428259 493039 505521 730197 867499 889461 1284777 1479117 2190591 2602497 3854331 4437351 6409507 6571773 7807491 11277487 11562993 13312053 19228521 23422473 33832461 39936159 57685563 68532421 70267419 101497383 173056689 205597263 304492149 519170067 616791789 890921473 913476447 1850375367 2672764419 5551126101 8018293257 24054879771 72164639313
• Sum of all divisors σ(n): 118428217600
• Sum of proper divisors (its aliquot sum) s(n): 46263578287
• 72164639313 is a deficient number, because the sum of its proper divisors (46263578287) is less than itself. Its deficiency is 25901061026

Bases of 72164639313

• Binary: 1000011001101010110010000001001010001₂
• Hexadecimal: 0x10CD590251
• Base-36: X5GYO29

Squares and roots of 72164639313

• 72164639313 squared (72164639313²) is 5207735167175385111969
• 72164639313 cubed (72164639313³) is 375814329976837423617113004237297
• The square root of 72164639313 is 268634.7693672581
• The cube root of 72164639313 is 4163.3361912007

Scales and comparisons

• 72,164,639,313 seconds is equal to 2,294 years, 31 weeks, 5 days, 21 hours, 8 minutes, 33 seconds.
• To count from 1 to 72,164,639,313 would take you about four thousand, five hundred eighty-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 72164639313 cubic inches would be around 346.9 feet tall.

Recreational maths with 72164639313

• 72164639313 backwards is 31393646127
• The number of decimal digits it has is: 11
• The sum of 72164639313's digits is 45
• More coming soon!