72717003138

Names of 72717003138

• Cardinal: 72717003138 can be written as Seventy-two billion, seven hundred seventeen million, three thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 7.2717003138 × 10¹⁰

Factors of 72717003138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 450090

Divisors of 72717003138

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 13 26 39 78 2081 4162 6243 12486 27053 54106 81159 162318 447991 895982 1343973 2687946 5823883 11647766 17471649 34943298 932269271 1864538542 2796807813 5593615626 12119500523 24239001046 36358501569 72717003138
• Sum of all divisors σ(n): 156696849792
• Sum of proper divisors (its aliquot sum) s(n): 83979846654
• 72717003138 is an abundant number, because the sum of its proper divisors (83979846654) is greater than itself. Its abundance is 11262843516

Bases of 72717003138

• Binary: 1000011101110010001010110100110000010₂
• Hexadecimal: 0x10EE456982
• Base-36: XELTQPU

Squares and roots of 72717003138

• 72717003138 squared (72717003138²) is 5287762545371901847044
• 72717003138 cubed (72717003138³) is 384510245604807453988526544024072
• The square root of 72717003138 is 269660.9039849863
• The cube root of 72717003138 is 4173.9315637703

Scales and comparisons

• 72,717,003,138 seconds is equal to 2,312 years, 9 weeks, 23 hours, 32 minutes, 18 seconds.
• To count from 1 to 72,717,003,138 would take you about four thousand, six hundred twenty-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 72717003138 cubic inches would be around 347.8 feet tall.

Recreational maths with 72717003138

• 72717003138 backwards is 83130071727
• 72717003138 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72717003138's digits is 39
• More coming soon!