72204385728

Names of 72204385728

• Cardinal: 72204385728 can be written as Seventy-two billion, two hundred four million, three hundred eighty-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2204385728 × 10¹⁰

Factors of 72204385728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 177795

Divisors of 72204385728

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 192 2141 4282 6423 8564 12846 17128 25692 34256 51384 68512 102768 137024 175649 205536 351298 411072 526947 702596 1053894 1405192 2107788 2810384 4215576 5620768 8431152 11241536 16862304 33724608 376064509 752129018 1128193527 1504258036 2256387054 3008516072 4512774108 6017032144 9025548216 12034064288 18051096432 24068128576 36102192864 72204385728
• Sum of all divisors σ(n): 191131088400
• Sum of proper divisors (its aliquot sum) s(n): 118926702672
• 72204385728 is an abundant number, because the sum of its proper divisors (118926702672) is greater than itself. Its abundance is 46722316944

Bases of 72204385728

• Binary: 1000011001111101101110111110111000000₂
• Hexadecimal: 0x10CFB77DC0
• Base-36: X64MKLC

Squares and roots of 72204385728

• 72204385728 squared (72204385728²) is 5213473318357810089984
• 72204385728 cubed (72204385728³) is 376435638461343463258575125348352
• The square root of 72204385728 is 268708.7377217197
• The cube root of 72204385728 is 4164.1004035101

Scales and comparisons

• 72,204,385,728 seconds is equal to 2,295 years, 45 weeks, 3 days, 21 hours, 48 minutes, 48 seconds.
• To count from 1 to 72,204,385,728 would take you about four thousand, five hundred ninety-one 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 72204385728 cubic inches would be around 347 feet tall.

Recreational maths with 72204385728

• 72204385728 backwards is 82758340227
• 72204385728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72204385728's digits is 48
• More coming soon!