139968131

Names of 139968131

• Cardinal: 139968131 can be written as One hundred thirty-nine million, nine hundred sixty-eight thousand, one hundred thirty-one.

Scientific notation

• Scientific notation: 1.39968131 × 10⁸

Factors of 139968131

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 4515132

Divisors of 139968131

• Number of divisors d(n): 4
• Complete list of divisors:
  1 31 4515101 139968131
• Sum of all divisors σ(n): 144483264
• Sum of proper divisors (its aliquot sum) s(n): 4515133
• 139968131 is a deficient number, because the sum of its proper divisors (4515133) is less than itself. Its deficiency is 135452998

Bases of 139968131

• Binary: 1000010101111011111010000011₂
• Hexadecimal: 0x857BE83
• Base-36: 2BC03N

Squares and roots of 139968131

• 139968131 squared (139968131²) is 19591077695633161
• 139968131 cubed (139968131³) is 2742126529333560406792091
• The square root of 139968131 is 11830.8127785035
• The cube root of 139968131 is 519.2100072917

Scales and comparisons

• 139,968,131 seconds is equal to 4 years, 23 weeks, 3 days, 2 minutes, 11 seconds.
• To count from 1 to 139,968,131 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 139968131 cubic inches would be around 43.3 feet tall.

Recreational maths with 139968131

• 139968131 backwards is 131869931
• The number of decimal digits it has is: 9
• The sum of 139968131's digits is 41
• More coming soon!