138793425009610816

Names of 138793425009610816

• Cardinal: 138793425009610816 can be written as One hundred thirty-eight quadrillion, seven hundred ninety-three trillion, four hundred twenty-five billion, nine million, six hundred ten thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.38793425009610816 × 10¹⁷

Factors of 138793425009610816

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 46568739

Divisors of 138793425009610816

• Number of divisors d(n): 21
• Complete list of divisors:
  1 2 4 8 16 32 64 46568737 93137474 186274948 372549896 745099792 1490199584 2980399168 2168647265775169 4337294531550338 8674589063100676 17349178126201352 34698356252402704 69396712504805408 138793425009610816
• Sum of all divisors σ(n): 275418208667676189
• Sum of proper divisors (its aliquot sum) s(n): 136624783658065373
• 138793425009610816 is a deficient number, because the sum of its proper divisors (136624783658065373) is less than itself. Its deficiency is 2168641351545443

Bases of 138793425009610816

• Binary: 111101101000101111110001001111010110110111001000001000000₂
• Hexadecimal: 0x1ED17E27ADB9040
• Base-36: 11YM5V7YOLDS

Squares and roots of 138793425009610816

• 138793425009610816 squared (138793425009610816²) is 19263614825898461139461967784185856
• 138793425009610816 cubed (138793425009610816³) is 2673663079752365181361911310701335102168537971818496
• 138793425009610816 is a perfect square number. Its square root is 372549896
• The cube root of 138793425009610816 is 517753.4057431109

Scales and comparisons

• 138,793,425,009,610,816 seconds is equal to 4,413,201,599 years, 2 weeks, 5 days, 16 hours, 20 minutes, 16 seconds.
• To count from 1 to 138,793,425,009,610,816 would take you about thirteen billion, two hundred thirty-nine million, six hundred four thousand, seven hundred ninety-seven 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 138793425009610816 cubic inches would be around 43146.1 feet tall.

Recreational maths with 138793425009610816

• 138793425009610816 backwards is 618016900524397831
• The number of decimal digits it has is: 18
• The sum of 138793425009610816's digits is 73
• More coming soon!