72492468381

Names of 72492468381

• Cardinal: 72492468381 can be written as Seventy-two billion, four hundred ninety-two million, four hundred sixty-eight thousand, three hundred eighty-one.

Scientific notation

• Scientific notation: 7.2492468381 × 10¹⁰

Factors of 72492468381

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1087

Divisors of 72492468381

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 29 61 87 183 197 261 549 591 797 841 1769 1773 2391 2523 5307 5713 7173 7569 12017 15921 17139 23113 36051 48617 51301 51417 69339 108153 145851 153903 157009 165677 208017 348493 437553 461709 471027 497031 670277 1045479 1409893 1413081 1491093 2010831 3136437 4229679 4553261 6032493 9577549 10106297 12689037 13659783 28732647 30318891 40886897 40979349 86197941 90956673 122660691 132044569 277748921 367982073 396133707 833246763 1188401121 2499740289 8054718709 24164156127 72492468381
• Sum of all divisors σ(n): 110922916104
• Sum of proper divisors (its aliquot sum) s(n): 38430447723
• 72492468381 is a deficient number, because the sum of its proper divisors (38430447723) is less than itself. Its deficiency is 34062020658

Bases of 72492468381

• Binary: 1000011100000111000110100100010011101₂
• Hexadecimal: 0x10E0E3489D
• Base-36: XAW56L9

Squares and roots of 72492468381

• 72492468381 squared (72492468381²) is 5255157971970284761161
• 72492468381 cubed (72492468381³) is 380959373120215952320029929350341
• The square root of 72492468381 is 269244.2541281057
• The cube root of 72492468381 is 4169.6310611605

Scales and comparisons

• 72,492,468,381 seconds is equal to 2,305 years, 1 week, 6 days, 4 hours, 46 minutes, 21 seconds.
• To count from 1 to 72,492,468,381 would take you about four thousand, six hundred ten 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 72492468381 cubic inches would be around 347.5 feet tall.

Recreational maths with 72492468381

• 72492468381 backwards is 18386429427
• The number of decimal digits it has is: 11
• The sum of 72492468381's digits is 54
• More coming soon!