72327972645

Names of 72327972645

• Cardinal: 72327972645 can be written as Seventy-two billion, three hundred twenty-seven million, nine hundred seventy-two thousand, six hundred forty-five.

Scientific notation

• Scientific notation: 7.2327972645 × 10¹⁰

Factors of 72327972645

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 908

Divisors of 72327972645

• Number of divisors d(n): 54
• Complete list of divisors:
  1 3 5 9 15 45 47 141 235 423 705 853 2115 2209 2559 4265 6627 7677 11045 12795 19881 33135 38385 40091 99405 120273 200455 360819 601365 727609 1804095 1884277 2182827 3638045 5652831 6548481 9421385 10914135 16958493 28264155 32742405 34197623 84792465 102592869 170988115 307778607 512964345 1538893035 1607288281 4821864843 8036441405 14465594529 24109324215 72327972645
• Sum of all divisors σ(n): 128242997298
• Sum of proper divisors (its aliquot sum) s(n): 55915024653
• 72327972645 is a deficient number, because the sum of its proper divisors (55915024653) is less than itself. Its deficiency is 16412947992

Bases of 72327972645

• Binary: 1000011010111000101010100011100100101₂
• Hexadecimal: 0x10D7154725
• Base-36: X867GV9

Squares and roots of 72327972645

• 72327972645 squared (72327972645²) is 5231335626935868296025
• 72327972645 cubed (72327972645³) is 378371900121831407284218962236125
• The square root of 72327972645 is 268938.6038578323
• The cube root of 72327972645 is 4166.4748437307

Scales and comparisons

• 72,327,972,645 seconds is equal to 2,299 years, 41 weeks, 6 days, 7 hours, 30 minutes, 45 seconds.
• To count from 1 to 72,327,972,645 would take you about four thousand, five hundred ninety-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 72327972645 cubic inches would be around 347.2 feet tall.

Recreational maths with 72327972645

• 72327972645 backwards is 54627972327
• The number of decimal digits it has is: 11
• The sum of 72327972645's digits is 54
• More coming soon!