13940398081

Names of 13940398081

• Cardinal: 13940398081 can be written as Thirteen billion, nine hundred forty million, three hundred ninety-eight thousand and eighty-one.

Scientific notation

• Scientific notation: 1.3940398081 × 10¹⁰

Factors of 13940398081

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 208065710

Divisors of 13940398081

• Number of divisors d(n): 4
• Complete list of divisors:
  1 67 208065643 13940398081
• Sum of all divisors σ(n): 14148463792
• Sum of proper divisors (its aliquot sum) s(n): 208065711
• 13940398081 is a deficient number, because the sum of its proper divisors (208065711) is less than itself. Its deficiency is 13732332370

Bases of 13940398081

• Binary: 1100111110111010011001100000000001₂
• Hexadecimal: 0x33EE99801
• Base-36: 6EJR401

Squares and roots of 13940398081

• 13940398081 squared (13940398081²) is 194334698656748482561
• 13940398081 cubed (13940398081³) is 2709103060226249823993026365441
• The square root of 13940398081 is 118069.4629487235
• The cube root of 13940398081 is 2406.7171822941

Scales and comparisons

• 13,940,398,081 seconds is equal to 443 years, 13 weeks, 4 days, 4 hours, 48 minutes, 1 second.
• To count from 1 to 13,940,398,081 would take you about eight hundred eighty-six 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 13940398081 cubic inches would be around 200.6 feet tall.

Recreational maths with 13940398081

• 13940398081 backwards is 18089304931
• The number of decimal digits it has is: 11
• The sum of 13940398081's digits is 46
• More coming soon!