3138139

Names of 3138139

• Cardinal: 3138139 can be written as Three million, one hundred thirty-eight thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 3.138139 × 10⁶

Factors of 3138139

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 6284

Divisors of 3138139

• Number of divisors d(n): 4
• Complete list of divisors:
  1 547 5737 3138139
• Sum of all divisors σ(n): 3144424
• Sum of proper divisors (its aliquot sum) s(n): 6285
• 3138139 is a deficient number, because the sum of its proper divisors (6285) is less than itself. Its deficiency is 3131854

Bases of 3138139

• Binary: 1011111110001001011011₂
• Hexadecimal: 0x2FE25B
• Base-36: 1V9EJ

Squares and roots of 3138139

• 3138139 squared (3138139²) is 9847916383321
• 3138139 cubed (3138139³) is 30904130471238579619
• The square root of 3138139 is 1771.4793253099
• The cube root of 3138139 is 146.4054999825

Scales and comparisons

• 3,138,139 seconds is equal to 5 weeks, 1 day, 7 hours, 42 minutes, 19 seconds.
• To count from 1 to 3,138,139 would take you about seven weeks!

  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 3138139 cubic inches would be around 12.2 feet tall.

Recreational maths with 3138139

• 3138139 backwards is 9318313
• The number of decimal digits it has is: 7
• The sum of 3138139's digits is 28
• More coming soon!