131909

Names of 131909

• Cardinal: 131909 can be written as One hundred thirty-one thousand, nine hundred nine.

Scientific notation

• Scientific notation: 1.31909 × 10⁵

Factors of 131909

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 131909

Divisors of 131909

• Number of divisors d(n): 2
• Complete list of divisors:
  1 131909
• Sum of all divisors σ(n): 131910
• Sum of proper divisors (its aliquot sum) s(n): 1
• 131909 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 131908

Bases of 131909

• Binary: 100000001101000101₂
• Hexadecimal: 0x20345
• Base-36: 2TS5

Squares and roots of 131909

• 131909 squared (131909²) is 17399984281
• 131909 cubed (131909³) is 2295214526522429
• The square root of 131909 is 363.1927862719
• The cube root of 131909 is 50.9047305133

Scales and comparisons

• 131,909 seconds is equal to 1 day, 12 hours, 38 minutes, 29 seconds.
• To count from 1 to 131,909 would take you about twelve 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 131909 cubic inches would be around 4.2 feet tall.

Recreational maths with 131909

• 131909 backwards is 909131
• The number of decimal digits it has is: 6
• The sum of 131909's digits is 23
• More coming soon!