72715920342

Names of 72715920342

• Cardinal: 72715920342 can be written as Seventy-two billion, seven hundred fifteen million, nine hundred twenty thousand, three hundred forty-two.

Scientific notation

• Scientific notation: 7.2715920342 × 10¹⁰

Factors of 72715920342

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3117952

Divisors of 72715920342

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 13 23 26 39 46 69 78 138 169 299 338 507 598 897 1014 1794 3887 7774 11661 23322 3117911 6235822 9353733 18707466 40532843 71711953 81065686 121598529 143423906 215135859 243197058 430271718 526926959 932255389 1053853918 1580780877 1864510778 2796766167 3161561754 5593532334 12119320057 24238640114 36357960171 72715920342
• Sum of all divisors σ(n): 164326434048
• Sum of proper divisors (its aliquot sum) s(n): 91610513706
• 72715920342 is an abundant number, because the sum of its proper divisors (91610513706) is greater than itself. Its abundance is 18894593364

Bases of 72715920342

• Binary: 1000011101110001101001110001111010110₂
• Hexadecimal: 0x10EE34E3D6
• Base-36: XEL6J86

Squares and roots of 72715920342

• 72715920342 squared (72715920342²) is 5287605071184089396964
• 72715920342 cubed (72715920342³) is 384493069156177484207441040641688
• The square root of 72715920342 is 269658.8962782425
• The cube root of 72715920342 is 4173.9108462919

Scales and comparisons

• 72,715,920,342 seconds is equal to 2,312 years, 7 weeks, 2 days, 10 hours, 45 minutes, 42 seconds.
• To count from 1 to 72,715,920,342 would take you about four thousand, six hundred twenty-four 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 72715920342 cubic inches would be around 347.8 feet tall.

Recreational maths with 72715920342

• 72715920342 backwards is 24302951727
• The number of decimal digits it has is: 11
• The sum of 72715920342's digits is 42
• More coming soon!