13089712138

Names of 13089712138

• Cardinal: 13089712138 can be written as Thirteen billion, eighty-nine million, seven hundred twelve thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.3089712138 × 10¹⁰

Factors of 13089712138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 484328

Divisors of 13089712138

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 13913 27826 470413 940826 6544856069 13089712138
• Sum of all divisors σ(n): 19636021188
• Sum of proper divisors (its aliquot sum) s(n): 6546309050
• 13089712138 is a deficient number, because the sum of its proper divisors (6546309050) is less than itself. Its deficiency is 6543403088

Bases of 13089712138

• Binary: 1100001100001101010010100000001010₂
• Hexadecimal: 0x30C35280A
• Base-36: 60H9YIY

Squares and roots of 13089712138

• 13089712138 squared (13089712138²) is 171340563855704531044
• 13089712138 cubed (13089712138³) is 2242798658433779680548244612072
• The square root of 13089712138 is 114410.2798615579
• The cube root of 13089712138 is 2356.7310948655

Scales and comparisons

• 13,089,712,138 seconds is equal to 416 years, 11 weeks, 7 hours, 8 minutes, 58 seconds.
• To count from 1 to 13,089,712,138 would take you about eight hundred thirty-two 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 13089712138 cubic inches would be around 196.4 feet tall.

Recreational maths with 13089712138

• 13089712138 backwards is 83121798031
• The number of decimal digits it has is: 11
• The sum of 13089712138's digits is 43
• More coming soon!