131017813

Names of 131017813

• Cardinal: 131017813 can be written as One hundred thirty-one million, seventeen thousand, eight hundred thirteen.

Scientific notation

• Scientific notation: 1.31017813 × 10⁸

Factors of 131017813

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4307

Divisors of 131017813

• Number of divisors d(n): 8
• Complete list of divisors:
  1 61 587 3659 35807 223199 2147833 131017813
• Sum of all divisors σ(n): 133428960
• Sum of proper divisors (its aliquot sum) s(n): 2411147
• 131017813 is a deficient number, because the sum of its proper divisors (2411147) is less than itself. Its deficiency is 128606666

Bases of 131017813

• Binary: 111110011110010110001010101₂
• Hexadecimal: 0x7CF2C55
• Base-36: 2605ZP

Squares and roots of 131017813

• 131017813 squared (131017813²) is 17165667323302969
• 131017813 cubed (131017813³) is 2249008191384718934786797
• The square root of 131017813 is 11446.3012803263
• The cube root of 131017813 is 507.8983265735

Scales and comparisons

• 131,017,813 seconds is equal to 4 years, 8 weeks, 4 days, 9 hours, 50 minutes, 13 seconds.
• To count from 1 to 131,017,813 would take you about 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 131017813 cubic inches would be around 42.3 feet tall.

Recreational maths with 131017813

• 131017813 backwards is 318710131
• The number of decimal digits it has is: 9
• The sum of 131017813's digits is 25
• More coming soon!