138820656572

Names of 138820656572

• Cardinal: 138820656572 can be written as One hundred thirty-eight billion, eight hundred twenty million, six hundred fifty-six thousand, five hundred seventy-two.

Scientific notation

• Scientific notation: 1.38820656572 × 10¹¹

Factors of 138820656572

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 10468

Divisors of 138820656572

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 13 26 52 127 254 508 1651 2789 3302 5578 6604 7537 11156 15074 30148 36257 72514 97981 145028 195962 354203 391924 708406 957199 1416812 1914398 3828796 4604639 9209278 12443587 18418556 21020693 24887174 42041386 49774348 84082772 273269009 546538018 1093076036 2669628011 5339256022 10678512044 34705164143 69410328286 138820656572
• Sum of all divisors σ(n): 263813114880
• Sum of proper divisors (its aliquot sum) s(n): 124992458308
• 138820656572 is a deficient number, because the sum of its proper divisors (124992458308) is less than itself. Its deficiency is 13828198264

Bases of 138820656572

• Binary: 10000001010010010110110001110110111100₂
• Hexadecimal: 0x20525B1DBC
• Base-36: 1RRU8G58

Squares and roots of 138820656572

• 138820656572 squared (138820656572²) is 19271174691081166791184
• 138820656572 cubed (138820656572³) is 2675237123529596846496005301261248
• The square root of 138820656572 is 372586.4417447313
• The cube root of 138820656572 is 5177.8726496511

Scales and comparisons

• 138,820,656,572 seconds is equal to 4,414 years, 3 weeks, 3 days, 13 hours, 29 minutes, 32 seconds.
• To count from 1 to 138,820,656,572 would take you about eight thousand, eight hundred twenty-eight 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 138820656572 cubic inches would be around 431.5 feet tall.

Recreational maths with 138820656572

• 138820656572 backwards is 275656028831
• The number of decimal digits it has is: 12
• The sum of 138820656572's digits is 53
• More coming soon!