13399143221

Names of 13399143221

• Cardinal: 13399143221 can be written as Thirteen billion, three hundred ninety-nine million, one hundred forty-three thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 1.3399143221 × 10¹⁰

Factors of 13399143221

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 15709110

Divisors of 13399143221

• Number of divisors d(n): 4
• Complete list of divisors:
  1 853 15708257 13399143221
• Sum of all divisors σ(n): 13414852332
• Sum of proper divisors (its aliquot sum) s(n): 15709111
• 13399143221 is a deficient number, because the sum of its proper divisors (15709111) is less than itself. Its deficiency is 13383434110

Bases of 13399143221

• Binary: 1100011110101001101011001100110101₂
• Hexadecimal: 0x31EA6B335
• Base-36: 65LI52T

Squares and roots of 13399143221

• 13399143221 squared (13399143221²) is 179537039056870254841
• 13399143221 cubed (13399143221³) is 2405642499797275308629327582861
• The square root of 13399143221 is 115754.6682471165
• The cube root of 13399143221 is 2375.1571143929

Scales and comparisons

• 13,399,143,221 seconds is equal to 426 years, 2 weeks, 4 days, 16 hours, 13 minutes, 41 seconds.
• To count from 1 to 13,399,143,221 would take you about eight hundred fifty-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 13399143221 cubic inches would be around 197.9 feet tall.

Recreational maths with 13399143221

• 13399143221 backwards is 12234199331
• The number of decimal digits it has is: 11
• The sum of 13399143221's digits is 38
• More coming soon!