13515627915624554721

Names of 13515627915624554721

• Cardinal: 13515627915624554721 can be written as Thirteen quintillion, five hundred fifteen quadrillion, six hundred twenty-seven trillion, nine hundred fifteen billion, six hundred twenty-four million, five hundred fifty-four thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.3515627915624554721 × 10¹⁹

Factors of 13515627915624554721

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6740

Divisors of 13515627915624554721

• Number of divisors d(n): 27
• Complete list of divisors:
  1 3 9 27 81 243 729 2187 6561 6737 20211 60633 181899 545697 1637091 4911273 14733819 44201457 45387169 136161507 408484521 1225453563 3676360689 11029082067 33087246201 99261738603 297785215809
• Sum of all divisors σ(n): 13515628064560777699
• Sum of proper divisors (its aliquot sum) s(n): 148936222978
• 13515627915624554721 is a deficient number, because the sum of its proper divisors (148936222978) is less than itself. Its deficiency is 13515627766688331743

Bases of 13515627915624554721

• Binary: 1011101110010001001001111111101011111011001001111010000011100001₂
• Hexadecimal: 0xBB9127FAFB27A0E1
• Base-36: 2UOOA8KAN9529

Squares and roots of 13515627915624554721

• 13515627915624554721 squared (13515627915624554721²) is 182672197953609745668575342029523387841
• 13515627915624554721 cubed (13515627915624554721³) is 2468929458070302537201620736663817086057919734771010547361
• 13515627915624554721 is a perfect square number. Its square root is 3676360689
• The cube root of 13515627915624554721 is 2382020.0299215375

Scales and comparisons

• 13,515,627,915,624,554,721 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 13,515,627,915,624,554,721 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 13515627915624554721 cubic inches would be around 198501.7 feet tall.

Recreational maths with 13515627915624554721

• 13515627915624554721 backwards is 12745542651972651531
• 13515627915624554721 is a Harshad number.
• The number of decimal digits it has is: 20
• The sum of 13515627915624554721's digits is 81
• More coming soon!