72684013243944987

Names of 72684013243944987

• Cardinal: 72684013243944987 can be written as Seventy-two quadrillion, six hundred eighty-four trillion, thirteen billion, two hundred forty-three million, nine hundred forty-four thousand, nine hundred eighty-seven.

Scientific notation

• Scientific notation: 7.2684013243944987 × 10¹⁶

Factors of 72684013243944987

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 205229

Divisors of 72684013243944987

• Number of divisors d(n): 30
• Complete list of divisors:
  1 3 9 27 81 28843 86529 176383 259587 529149 778761 1587447 2336283 4762341 14287023 5087414869 15262244607 31110962689 45786733821 93332888067 137360201463 279998664201 412080604389 839995992603 2519987977809 897333496838827 2692000490516481 8076001471549443 24228004414648329 72684013243944987
• Sum of all divisors σ(n): 108581733146015052
• Sum of proper divisors (its aliquot sum) s(n): 35897719902070065
• 72684013243944987 is a deficient number, because the sum of its proper divisors (35897719902070065) is less than itself. Its deficiency is 36786293341874922

Bases of 72684013243944987

• Binary: 100000010001110011011100110010110010000010101000000011011₂
• Hexadecimal: 0x10239B99641501B
• Base-36: JVOBYPZU2OR

Squares and roots of 72684013243944987

• 72684013243944987 squared (72684013243944987²) is 5282965781245970272294818682430169
• 72684013243944987 cubed (72684013243944987³) is 383987154811390278296583202823743278840981705112803
• The square root of 72684013243944987 is 269599727.8261700823
• The cube root of 72684013243944987 is 417330.0265345325

Scales and comparisons

• 72,684,013,243,944,987 seconds is equal to 2,311,126,794 years, 38 weeks, 4 days, 9 hours, 36 minutes, 27 seconds.
• To count from 1 to 72,684,013,243,944,987 would take you about six billion, nine hundred thirty-three million, three hundred eighty thousand, three hundred eighty-four 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 72684013243944987 cubic inches would be around 34777.5 feet tall.

Recreational maths with 72684013243944987

• 72684013243944987 backwards is 78944934231048627
• 72684013243944987 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 72684013243944987's digits is 81
• More coming soon!