138562131

Names of 138562131

• Cardinal: 138562131 can be written as One hundred thirty-eight million, five hundred sixty-two thousand, one hundred thirty-one.

Scientific notation

• Scientific notation: 1.38562131 × 10⁸

Factors of 138562131

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 116741

Divisors of 138562131

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 397 1191 116341 349023 46187377 138562131
• Sum of all divisors σ(n): 185216464
• Sum of proper divisors (its aliquot sum) s(n): 46654333
• 138562131 is a deficient number, because the sum of its proper divisors (46654333) is less than itself. Its deficiency is 91907798

Bases of 138562131

• Binary: 1000010000100100101001010011₂
• Hexadecimal: 0x8424A53
• Base-36: 2AHV83

Squares and roots of 138562131

• 138562131 squared (138562131²) is 19199464147261161
• 138562131 cubed (138562131³) is 2660318666302604281694091
• The square root of 138562131 is 11771.2416932115
• The cube root of 138562131 is 517.4656403241

Scales and comparisons

• 138,562,131 seconds is equal to 4 years, 21 weeks, 17 hours, 28 minutes, 51 seconds.
• To count from 1 to 138,562,131 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 138562131 cubic inches would be around 43.1 feet tall.

Recreational maths with 138562131

• 138562131 backwards is 131265831
• The number of decimal digits it has is: 9
• The sum of 138562131's digits is 30
• More coming soon!