138968222432

Names of 138968222432

• Cardinal: 138968222432 can be written as One hundred thirty-eight billion, nine hundred sixty-eight million, two hundred twenty-two thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.38968222432 × 10¹¹

Factors of 138968222432

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 656827

Divisors of 138968222432

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 104 208 416 509 1018 2036 4072 6617 8144 13234 16288 26468 52936 105872 211744 656303 1312606 2625212 5250424 8531939 10500848 17063878 21001696 34127756 68255512 136511024 273022048 334058227 668116454 1336232908 2672465816 4342756951 5344931632 8685513902 10689863264 17371027804 34742055608 69484111216 138968222432
• Sum of all divisors σ(n): 295218665280
• Sum of proper divisors (its aliquot sum) s(n): 156250442848
• 138968222432 is an abundant number, because the sum of its proper divisors (156250442848) is greater than itself. Its abundance is 17282220416

Bases of 138968222432

• Binary: 10000001011011001001101100101011100000₂
• Hexadecimal: 0x205B26CAE0
• Base-36: 1RUA3AOW

Squares and roots of 138968222432

• 138968222432 squared (138968222432²) is 19312166845909827994624
• 138968222432 cubed (138968222432³) is 2683777497886292846171768532205568
• The square root of 138968222432 is 372784.4181722193
• The cube root of 138968222432 is 5179.7066866311

Scales and comparisons

• 138,968,222,432 seconds is equal to 4,418 years, 39 weeks, 3 days, 12 hours, 32 seconds.
• To count from 1 to 138,968,222,432 would take you about eight thousand, eight hundred thirty-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 138968222432 cubic inches would be around 431.6 feet tall.

Recreational maths with 138968222432

• 138968222432 backwards is 234222869831
• The number of decimal digits it has is: 12
• The sum of 138968222432's digits is 50
• More coming soon!