137809

Names of 137809

• Cardinal: 137809 can be written as One hundred thirty-seven thousand, eight hundred nine.

Scientific notation

• Scientific notation: 1.37809 × 10⁵

Factors of 137809

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 19694

Divisors of 137809

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 19687 137809
• Sum of all divisors σ(n): 157504
• Sum of proper divisors (its aliquot sum) s(n): 19695
• 137809 is a deficient number, because the sum of its proper divisors (19695) is less than itself. Its deficiency is 118114

Bases of 137809

• Binary: 100001101001010001₂
• Hexadecimal: 0x21A51
• Base-36: 2YC1

Squares and roots of 137809

• 137809 squared (137809²) is 18991320481
• 137809 cubed (137809³) is 2617174884166129
• The square root of 137809 is 371.2263460479
• The cube root of 137809 is 51.6526404289

Scales and comparisons

• 137,809 seconds is equal to 1 day, 14 hours, 16 minutes, 49 seconds.
• To count from 1 to 137,809 would take you about fourteen hours.

  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 137809 cubic inches would be around 4.3 feet tall.

Recreational maths with 137809

• 137809 backwards is 908731
• The number of decimal digits it has is: 6
• The sum of 137809's digits is 28
• More coming soon!