13010042721

Names of 13010042721

• Cardinal: 13010042721 can be written as Thirteen billion, ten million, forty-two thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.3010042721 × 10¹⁰

Factors of 13010042721

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 333590855

Divisors of 13010042721

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 13 39 333590839 1000772517 4336680907 13010042721
• Sum of all divisors σ(n): 18681087040
• Sum of proper divisors (its aliquot sum) s(n): 5671044319
• 13010042721 is a deficient number, because the sum of its proper divisors (5671044319) is less than itself. Its deficiency is 7338998402

Bases of 13010042721

• Binary: 1100000111011101010111111101100001₂
• Hexadecimal: 0x307757F61
• Base-36: 5Z5UD7L

Squares and roots of 13010042721

• 13010042721 squared (13010042721²) is 169261211602245083841
• 13010042721 cubed (13010042721³) is 2202095593953429400283636771361
• The square root of 13010042721 is 114061.5742526817
• The cube root of 13010042721 is 2351.9400138789

Scales and comparisons

• 13,010,042,721 seconds is equal to 413 years, 35 weeks, 2 days, 4 hours, 45 minutes, 21 seconds.
• To count from 1 to 13,010,042,721 would take you about eight hundred twenty-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 13010042721 cubic inches would be around 196 feet tall.

Recreational maths with 13010042721

• 13010042721 backwards is 12724001031
• The number of decimal digits it has is: 11
• The sum of 13010042721's digits is 21
• More coming soon!