13856886389

Names of 13856886389

• Cardinal: 13856886389 can be written as Thirteen billion, eight hundred fifty-six million, eight hundred eighty-six thousand, three hundred eighty-nine.

Scientific notation

• Scientific notation: 1.3856886389 × 10¹⁰

Factors of 13856886389

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 16837866

Divisors of 13856886389

• Number of divisors d(n): 4
• Complete list of divisors:
  1 823 16837043 13856886389
• Sum of all divisors σ(n): 13873724256
• Sum of proper divisors (its aliquot sum) s(n): 16837867
• 13856886389 is a deficient number, because the sum of its proper divisors (16837867) is less than itself. Its deficiency is 13840048522

Bases of 13856886389

• Binary: 1100111001111011110100111001110101₂
• Hexadecimal: 0x339EF4E75
• Base-36: 6D615YT

Squares and roots of 13856886389

• 13856886389 squared (13856886389²) is 192013300397653459321
• 13856886389 cubed (13856886389³) is 2660706488787212508003930081869
• The square root of 13856886389 is 117715.2767868299
• The cube root of 13856886389 is 2401.9016403487

Scales and comparisons

• 13,856,886,389 seconds is equal to 440 years, 31 weeks, 3 days, 15 hours, 6 minutes, 29 seconds.
• To count from 1 to 13,856,886,389 would take you about eight hundred eighty-one 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 13856886389 cubic inches would be around 200.2 feet tall.

Recreational maths with 13856886389

• 13856886389 backwards is 98368865831
• The number of decimal digits it has is: 11
• The sum of 13856886389's digits is 65
• More coming soon!