72639465949263081

Names of 72639465949263081

• Cardinal: 72639465949263081 can be written as Seventy-two quadrillion, six hundred thirty-nine trillion, four hundred sixty-five billion, nine hundred forty-nine million, two hundred sixty-three thousand and eighty-one.

Scientific notation

• Scientific notation: 7.2639465949263081 × 10¹⁶

Factors of 72639465949263081

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 83756171993

Divisors of 72639465949263081

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 11 33 41 123 451 641 1353 1923 7051 21153 26281 78843 289091 867273 83756171297 251268513891 921317884267 2763953652801 3434003023177 10302009069531 37774033254947 53687705801377 113322099764841 161063117404131 590564763815147 1771694291445441 2201195937856457 6603587813569371 24213155316421027 72639465949263081
• Sum of all divisors σ(n): 108403267338205056
• Sum of proper divisors (its aliquot sum) s(n): 35763801388941975
• 72639465949263081 is a deficient number, because the sum of its proper divisors (35763801388941975) is less than itself. Its deficiency is 36875664560321106

Bases of 72639465949263081

• Binary: 100000010000100010011010110011100100101000111010011101001₂
• Hexadecimal: 0x10211359C9474E9
• Base-36: JV8JHZ6RBHL

Squares and roots of 72639465949263081

• 72639465949263081 squared (72639465949263081²) is 5276492013394150597283726949612561
• 72639465949263081 cubed (72639465949263081³) is 383281561938502999022545042181479263671816411160441
• The square root of 72639465949263081 is 269517097.6937512975
• The cube root of 72639465949263081 is 417244.7499966421

Scales and comparisons

• 72,639,465,949,263,081 seconds is equal to 2,309,710,328 years, 29 weeks, 2 days, 22 hours, 51 minutes, 21 seconds.
• To count from 1 to 72,639,465,949,263,081 would take you about six billion, nine hundred twenty-nine million, one hundred thirty thousand, nine hundred eighty-five 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 72639465949263081 cubic inches would be around 34770.4 feet tall.

Recreational maths with 72639465949263081

• 72639465949263081 backwards is 18036294956493627
• The number of decimal digits it has is: 17
• The sum of 72639465949263081's digits is 84
• More coming soon!