13039410721

Names of 13039410721

• Cardinal: 13039410721 can be written as Thirteen billion, thirty-nine million, four hundred ten thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.3039410721 × 10¹⁰

Factors of 13039410721

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 13223

Divisors of 13039410721

• Number of divisors d(n): 8
• Complete list of divisors:
  1 827 1439 10957 1190053 9061439 15767123 13039410721
• Sum of all divisors σ(n): 13065442560
• Sum of proper divisors (its aliquot sum) s(n): 26031839
• 13039410721 is a deficient number, because the sum of its proper divisors (26031839) is less than itself. Its deficiency is 13013378882

Bases of 13039410721

• Binary: 1100001001001101011001111000100001₂
• Hexadecimal: 0x309359E21
• Base-36: 5ZNBTPD

Squares and roots of 13039410721

• 13039410721 squared (13039410721²) is 170026231950929739841
• 13039410721 cubed (13039410721³) is 2217041871752185995600476235361
• The square root of 13039410721 is 114190.2391669271
• The cube root of 13039410721 is 2353.7083879527

Scales and comparisons

• 13,039,410,721 seconds is equal to 414 years, 31 weeks, 6 days, 2 hours, 32 minutes, 1 second.
• To count from 1 to 13,039,410,721 would take you about eight hundred twenty-nine 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 13039410721 cubic inches would be around 196.1 feet tall.

Recreational maths with 13039410721

• 13039410721 backwards is 12701493031
• The number of decimal digits it has is: 11
• The sum of 13039410721's digits is 31
• More coming soon!