6639139

Names of 6639139

• Cardinal: 6639139 can be written as Six million, six hundred thirty-nine thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 6.639139 × 10⁶

Factors of 6639139

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7277

Divisors of 6639139

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 71 923 7193 93509 510703 6639139
• Sum of all divisors σ(n): 7251552
• Sum of proper divisors (its aliquot sum) s(n): 612413
• 6639139 is a deficient number, because the sum of its proper divisors (612413) is less than itself. Its deficiency is 6026726

Bases of 6639139

• Binary: 11001010100111000100011₂
• Hexadecimal: 0x654E23
• Base-36: 3YASJ

Squares and roots of 6639139

• 6639139 squared (6639139²) is 44078166661321
• 6639139 cubed (6639139³) is 292641075329676042619
• The square root of 6639139 is 2576.6526735281
• The cube root of 6639139 is 187.9478031493

Scales and comparisons

• 6,639,139 seconds is equal to 10 weeks, 6 days, 20 hours, 12 minutes, 19 seconds.
• To count from 1 to 6,639,139 would take you about sixteen 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 6639139 cubic inches would be around 15.7 feet tall.

Recreational maths with 6639139

• 6639139 backwards is 9319366
• The number of decimal digits it has is: 7
• The sum of 6639139's digits is 37
• More coming soon!