13325613991

Names of 13325613991

• Cardinal: 13325613991 can be written as Thirteen billion, three hundred twenty-five million, six hundred thirteen thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 1.3325613991 × 10¹⁰

Factors of 13325613991

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1380808

Divisors of 13325613991

• Number of divisors d(n): 4
• Complete list of divisors:
  1 9719 1371089 13325613991
• Sum of all divisors σ(n): 13326994800
• Sum of proper divisors (its aliquot sum) s(n): 1380809
• 13325613991 is a deficient number, because the sum of its proper divisors (1380809) is less than itself. Its deficiency is 13324233182

Bases of 13325613991

• Binary: 1100011010010001001011101110100111₂
• Hexadecimal: 0x31A44BBA7
• Base-36: 64DQ5K7

Squares and roots of 13325613991

• 13325613991 squared (13325613991²) is 177571988237134948081
• 13325613991 cubed (13325613991³) is 2366255770862452889903232201271
• The square root of 13325613991 is 115436.6232657557
• The cube root of 13325613991 is 2370.8045000351

Scales and comparisons

• 13,325,613,991 seconds is equal to 423 years, 37 weeks, 15 hours, 26 minutes, 31 seconds.
• To count from 1 to 13,325,613,991 would take you about eight hundred forty-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 13325613991 cubic inches would be around 197.6 feet tall.

Recreational maths with 13325613991

• 13325613991 backwards is 19931652331
• The number of decimal digits it has is: 11
• The sum of 13325613991's digits is 43
• More coming soon!