131213629

Names of 131213629

• Cardinal: 131213629 can be written as One hundred thirty-one million, two hundred thirteen thousand, six hundred twenty-nine.

Scientific notation

• Scientific notation: 1.31213629 × 10⁸

Factors of 131213629

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 549250

Divisors of 131213629

• Number of divisors d(n): 4
• Complete list of divisors:
  1 239 549011 131213629
• Sum of all divisors σ(n): 131762880
• Sum of proper divisors (its aliquot sum) s(n): 549251
• 131213629 is a deficient number, because the sum of its proper divisors (549251) is less than itself. Its deficiency is 130664378

Bases of 131213629

• Binary: 111110100100010100100111101₂
• Hexadecimal: 0x7D2293D
• Base-36: 264D31

Squares and roots of 131213629

• 131213629 squared (131213629²) is 17217016435349641
• 131213629 cubed (131213629³) is 2259107207034870279457189
• The square root of 131213629 is 11454.8517668279
• The cube root of 131213629 is 508.1512314015

Scales and comparisons

• 131,213,629 seconds is equal to 4 years, 8 weeks, 6 days, 16 hours, 13 minutes, 49 seconds.
• To count from 1 to 131,213,629 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 131213629 cubic inches would be around 42.3 feet tall.

Recreational maths with 131213629

• 131213629 backwards is 926312131
• The number of decimal digits it has is: 9
• The sum of 131213629's digits is 28
• More coming soon!