138239488152

Names of 138239488152

• Cardinal: 138239488152 can be written as One hundred thirty-eight billion, two hundred thirty-nine million, four hundred eighty-eight thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 1.38239488152 × 10¹¹

Factors of 138239488152

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1011897

Divisors of 138239488152

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 1901 3802 5703 7604 11406 15208 17109 22812 34218 45624 68436 136872 1009991 2019982 3029973 4039964 6059946 8079928 9089919 12119892 18179838 24239784 36359676 72719352 1919992891 3839985782 5759978673 7679971564 11519957346 15359943128 17279936019 23039914692 34559872038 46079829384 69119744076 138239488152
• Sum of all divisors σ(n): 374595932880
• Sum of proper divisors (its aliquot sum) s(n): 236356444728
• 138239488152 is an abundant number, because the sum of its proper divisors (236356444728) is greater than itself. Its abundance is 98116956576

Bases of 138239488152

• Binary: 10000000101111101101110011000010011000₂
• Hexadecimal: 0x202FB73098
• Base-36: 1RI87ZQ0

Squares and roots of 138239488152

• 138239488152 squared (138239488152²) is 19110156084526948375104
• 138239488152 cubed (138239488152³) is 2641778195629833790424905059767808
• The square root of 138239488152 is 371805.7129093097
• The cube root of 138239488152 is 5170.6368744535

Scales and comparisons

• 138,239,488,152 seconds is equal to 4,395 years, 30 weeks, 4 days, 1 hour, 49 minutes, 12 seconds.
• To count from 1 to 138,239,488,152 would take you about eight thousand, seven hundred ninety-one 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 138239488152 cubic inches would be around 430.9 feet tall.

Recreational maths with 138239488152

• 138239488152 backwards is 251884932831
• The number of decimal digits it has is: 12
• The sum of 138239488152's digits is 54
• More coming soon!