72720056416398813

Names of 72720056416398813

• Cardinal: 72720056416398813 can be written as Seventy-two quadrillion, seven hundred twenty trillion, fifty-six billion, four hundred sixteen million, three hundred ninety-eight thousand, eight hundred thirteen.

Scientific notation

• Scientific notation: 7.2720056416398813 × 10¹⁶

Factors of 72720056416398813

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3909390

Divisors of 72720056416398813

• Number of divisors d(n): 54
• Complete list of divisors:
  1 3 9 41 123 369 1109 1681 3327 5043 9981 15129 45469 136407 409221 1229881 1864229 3689643 3908237 5592687 11068929 11724711 16778061 35174133 50425121 151275363 160237717 453826089 480713151 1442139453 2067429961 4334234833 6202289883 6569746397 13002704499 18606869649 19709239191 39008113497 59127717573 177703628153 533110884459 1599332653377 4806666429797 7285848754273 14419999289391 21857546262819 43259997868173 65572638788457 197073323621677 591219970865031 1773659912595093 8080006268488757 24240018805466271 72720056416398813
• Sum of all divisors σ(n): 107761719000615342
• Sum of proper divisors (its aliquot sum) s(n): 35041662584216529
• 72720056416398813 is a deficient number, because the sum of its proper divisors (35041662584216529) is less than itself. Its deficiency is 37678393832182284

Bases of 72720056416398813

• Binary: 100000010010110101000000110001010101111101110110111011101₂
• Hexadecimal: 0x1025A818ABEEDDD
• Base-36: JW13WQ63V19

Squares and roots of 72720056416398813

• 72720056416398813 squared (72720056416398813²) is 5288206605204226172775027467808969
• 72720056416398813 cubed (72720056416398813³) is 384558682672024172026665073787660776620314402353797
• The square root of 72720056416398813 is 269666565.2549437079
• The cube root of 72720056416398813 is 417398.9982004305

Scales and comparisons

• 72,720,056,416,398,813 seconds is equal to 2,312,272,856 years, 7 weeks, 1 day, 5 hours, 53 minutes, 33 seconds.
• To count from 1 to 72,720,056,416,398,813 would take you about six billion, nine hundred thirty-six million, eight hundred eighteen thousand, five hundred sixty-eight 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 72720056416398813 cubic inches would be around 34783.2 feet tall.

Recreational maths with 72720056416398813

• 72720056416398813 backwards is 31889361465002727
• The number of decimal digits it has is: 17
• The sum of 72720056416398813's digits is 72
• More coming soon!