72864889216

Names of 72864889216

• Cardinal: 72864889216 can be written as Seventy-two billion, eight hundred sixty-four million, eight hundred eighty-nine thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 7.2864889216 × 10¹⁰

Factors of 72864889216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 160287

Divisors of 72864889216

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 509 896 1018 2036 3563 4072 7126 8144 14252 16288 28504 32576 57008 65152 114016 159769 228032 319538 456064 639076 1118383 1278152 2236766 2556304 4473532 5112608 8947064 10225216 17894128 20450432 35788256 71576512 81322421 143153024 162644842 325289684 569256947 650579368 1138513894 1301158736 2277027788 2602317472 4554055576 5204634944 9108111152 10409269888 18216222304 36432444608 72864889216
• Sum of all divisors σ(n): 166224708000
• Sum of proper divisors (its aliquot sum) s(n): 93359818784
• 72864889216 is an abundant number, because the sum of its proper divisors (93359818784) is greater than itself. Its abundance is 20494929568

Bases of 72864889216

• Binary: 1000011110111000101011111100110000000₂
• Hexadecimal: 0x10F715F980
• Base-36: XH1VGCG

Squares and roots of 72864889216

• 72864889216 squared (72864889216²) is 5309292080459953094656
• 72864889216 cubed (72864889216³) is 386860979258100640566665801629696
• The square root of 72864889216 is 269934.9721988613
• The cube root of 72864889216 is 4176.7591848455

Scales and comparisons

• 72,864,889,216 seconds is equal to 2,316 years, 45 weeks, 4 days, 15 hours, 16 seconds.
• To count from 1 to 72,864,889,216 would take you about four thousand, six hundred thirty-three 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 72864889216 cubic inches would be around 348.1 feet tall.

Recreational maths with 72864889216

• 72864889216 backwards is 61298846827
• The number of decimal digits it has is: 11
• The sum of 72864889216's digits is 61
• More coming soon!