135209

Names of 135209

• Cardinal: 135209 can be written as One hundred thirty-five thousand, two hundred nine.

Scientific notation

• Scientific notation: 1.35209 × 10⁵

Factors of 135209

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 135209

Divisors of 135209

• Number of divisors d(n): 2
• Complete list of divisors:
  1 135209
• Sum of all divisors σ(n): 135210
• Sum of proper divisors (its aliquot sum) s(n): 1
• 135209 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 135208

Bases of 135209

• Binary: 100001000000101001₂
• Hexadecimal: 0x21029
• Base-36: 2WBT

Squares and roots of 135209

• 135209 squared (135209²) is 18281473681
• 135209 cubed (135209³) is 2471819774934329
• The square root of 135209 is 367.7077643999
• The cube root of 135209 is 51.3257377117

Scales and comparisons

• 135,209 seconds is equal to 1 day, 13 hours, 33 minutes, 29 seconds.
• To count from 1 to 135,209 would take you about thirteen 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 135209 cubic inches would be around 4.3 feet tall.

Recreational maths with 135209

• 135209 backwards is 902531
• 135209 is a twin prime! Its twin is 135211
• The number of decimal digits it has is: 6
• The sum of 135209's digits is 20
• More coming soon!