5131390849

Names of 5131390849

• Cardinal: 5131390849 can be written as Five billion, one hundred thirty-one million, three hundred ninety thousand, eight hundred forty-nine.

Scientific notation

• Scientific notation: 5.131390849 × 10⁹

Factors of 5131390849

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 394722386

Divisors of 5131390849

• Number of divisors d(n): 4
• Complete list of divisors:
  1 13 394722373 5131390849
• Sum of all divisors σ(n): 5526113236
• Sum of proper divisors (its aliquot sum) s(n): 394722387
• 5131390849 is a deficient number, because the sum of its proper divisors (394722387) is less than itself. Its deficiency is 4736668462

Bases of 5131390849

• Binary: 100110001110110101100111110000001₂
• Hexadecimal: 0x131DACF81
• Base-36: 2CV3IIP

Squares and roots of 5131390849

• 5131390849 squared (5131390849²) is 26331172045200940801
• 5131390849 cubed (5131390849³) is 135115535276188721992442130049
• The square root of 5131390849 is 71633.7270355243
• The cube root of 5131390849 is 1724.8249740781

Scales and comparisons

• 5,131,390,849 seconds is equal to 163 years, 8 weeks, 3 days, 2 hours, 20 minutes, 49 seconds.
• To count from 1 to 5,131,390,849 would take you about three hundred twenty-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 5131390849 cubic inches would be around 143.7 feet tall.

Recreational maths with 5131390849

• 5131390849 backwards is 9480931315
• The number of decimal digits it has is: 10
• The sum of 5131390849's digits is 43
• More coming soon!