72103128401

Names of 72103128401

• Cardinal: 72103128401 can be written as Seventy-two billion, one hundred three million, one hundred twenty-eight thousand, four hundred one.

Scientific notation

• Scientific notation: 7.2103128401 × 10¹⁰

Factors of 72103128401

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 36071598

Divisors of 72103128401

• Number of divisors d(n): 4
• Complete list of divisors:
  1 1999 36069599 72103128401
• Sum of all divisors σ(n): 72139200000
• Sum of proper divisors (its aliquot sum) s(n): 36071599
• 72103128401 is a deficient number, because the sum of its proper divisors (36071599) is less than itself. Its deficiency is 72067056802

Bases of 72103128401

• Binary: 1000011001001101011100110110101010001₂
• Hexadecimal: 0x10C9AE6D51
• Base-36: X4GC9XT

Squares and roots of 72103128401

• 72103128401 squared (72103128401²) is 5198861125211092816801
• 72103128401 cubed (72103128401³) is 374854151250062763599331273065201
• The square root of 72103128401 is 268520.2569658389
• The cube root of 72103128401 is 4162.1529551807

Scales and comparisons

• 72,103,128,401 seconds is equal to 2,292 years, 34 weeks, 22 hours, 46 minutes, 41 seconds.
• To count from 1 to 72,103,128,401 would take you about four thousand, five 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 72103128401 cubic inches would be around 346.8 feet tall.

Recreational maths with 72103128401

• 72103128401 backwards is 10482130127
• The number of decimal digits it has is: 11
• The sum of 72103128401's digits is 29
• More coming soon!