72745724216

Names of 72745724216

• Cardinal: 72745724216 can be written as Seventy-two billion, seven hundred forty-five million, seven hundred twenty-four thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 7.2745724216 × 10¹⁰

Factors of 72745724216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 797252

Divisors of 72745724216

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 11 17 22 34 44 61 68 88 122 136 187 244 374 488 671 748 1037 1342 1496 2074 2684 4148 5368 8296 11407 22814 45628 91256 797161 1594322 3188644 6377288 8768771 13551737 17537542 27103474 35075084 48626821 54206948 70150168 97253642 108413896 149069107 194507284 298138214 389014568 534895031 596276428 826655957 1069790062 1192552856 1653311914 2139580124 3306623828 4279160248 6613247656 9093215527 18186431054 36372862108 72745724216
• Sum of all divisors σ(n): 160133902560
• Sum of proper divisors (its aliquot sum) s(n): 87388178344
• 72745724216 is an abundant number, because the sum of its proper divisors (87388178344) is greater than itself. Its abundance is 14642454128

Bases of 72745724216

• Binary: 1000011101111111110111010100100111000₂
• Hexadecimal: 0x10EFFBA938
• Base-36: XF2XC1K

Squares and roots of 72745724216

• 72745724216 squared (72745724216²) is 5291940391710328814656
• 72745724216 cubed (72745724216³) is 384966036302870592509643554909696
• The square root of 72745724216 is 269714.1527914321
• The cube root of 72745724216 is 4174.4810181817

Scales and comparisons

• 72,745,724,216 seconds is equal to 2,313 years, 4 weeks, 4 days, 9 hours, 36 minutes, 56 seconds.
• To count from 1 to 72,745,724,216 would take you about four thousand, six hundred twenty-six 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 72745724216 cubic inches would be around 347.9 feet tall.

Recreational maths with 72745724216

• 72745724216 backwards is 61242754727
• The number of decimal digits it has is: 11
• The sum of 72745724216's digits is 47
• More coming soon!