13181521343

Names of 13181521343

• Cardinal: 13181521343 can be written as Thirteen billion, one hundred eighty-one million, five hundred twenty-one thousand, three hundred forty-three.

Scientific notation

• Scientific notation: 1.3181521343 × 10¹⁰

Factors of 13181521343

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 42384624

Divisors of 13181521343

• Number of divisors d(n): 4
• Complete list of divisors:
  1 311 42384313 13181521343
• Sum of all divisors σ(n): 13223905968
• Sum of proper divisors (its aliquot sum) s(n): 42384625
• 13181521343 is a deficient number, because the sum of its proper divisors (42384625) is less than itself. Its deficiency is 13139136718

Bases of 13181521343

• Binary: 1100010001101011100000110110111111₂
• Hexadecimal: 0x311AE0DBF
• Base-36: 61ZXQYN

Squares and roots of 13181521343

• 13181521343 squared (13181521343²) is 173752504915964523649
• 13181521343 cubed (13181521343³) is 2290322351949498789910121740607
• The square root of 13181521343 is 114810.8067343837
• The cube root of 13181521343 is 2362.2281780447

Scales and comparisons

• 13,181,521,343 seconds is equal to 419 years, 6 weeks, 5 days, 21 hours, 42 minutes, 23 seconds.
• To count from 1 to 13,181,521,343 would take you about eight hundred thirty-eight 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 13181521343 cubic inches would be around 196.9 feet tall.

Recreational maths with 13181521343

• 13181521343 backwards is 34312518131
• The number of decimal digits it has is: 11
• The sum of 13181521343's digits is 32
• More coming soon!