72312490521

Names of 72312490521

• Cardinal: 72312490521 can be written as Seventy-two billion, three hundred twelve million, four hundred ninety thousand, five hundred twenty-one.

Scientific notation

• Scientific notation: 7.2312490521 × 10¹⁰

Factors of 72312490521

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5348

Divisors of 72312490521

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 17 23 41 51 69 97 123 153 207 291 369 391 697 873 943 1173 1649 2091 2231 2829 3519 3977 4947 5167 6273 6693 8487 11931 14841 15501 16031 20079 35793 37927 46503 48093 67609 87839 91471 113781 118841 144279 202827 211847 263517 274413 341343 356523 501199 608481 635541 790551 823239 1069569 1503597 1555007 1906623 2020297 3601399 4510791 4665021 4872481 6060891 8520383 10804197 11527577 13995063 14617443 18182673 20549159 25561149 32412591 34582731 43852329 61647477 76683447 82832177 103748193 184942431 195968809 248496531 349335703 472630657 587906427 745489593 1048007109 1417891971 1763719281 3144021327 4253675913 8034721169 24104163507 72312490521
• Sum of all divisors σ(n): 119460676608
• Sum of proper divisors (its aliquot sum) s(n): 47148186087
• 72312490521 is a deficient number, because the sum of its proper divisors (47148186087) is less than itself. Its deficiency is 25164304434

Bases of 72312490521

• Binary: 1000011010110001010010000101000011001₂
• Hexadecimal: 0x10D6290A19
• Base-36: X7WZMS9

Squares and roots of 72312490521

• 72312490521 squared (72312490521²) is 5229096285349714851441
• 72312490521 cubed (72312490521³) is 378128975567747566364880235690761
• The square root of 72312490521 is 268909.8185656299
• The cube root of 72312490521 is 4166.1775383641

Scales and comparisons

• 72,312,490,521 seconds is equal to 2,299 years, 16 weeks, 2 days, 2 hours, 55 minutes, 21 seconds.
• To count from 1 to 72,312,490,521 would take you about four thousand, five hundred ninety-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 72312490521 cubic inches would be around 347.2 feet tall.

Recreational maths with 72312490521

• 72312490521 backwards is 12509421327
• The number of decimal digits it has is: 11
• The sum of 72312490521's digits is 36
• More coming soon!