135281

Names of 135281

• Cardinal: 135281 can be written as One hundred thirty-five thousand, two hundred eighty-one.

Scientific notation

• Scientific notation: 1.35281 × 10⁵

Factors of 135281

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 135281

Divisors of 135281

• Number of divisors d(n): 2
• Complete list of divisors:
  1 135281
• Sum of all divisors σ(n): 135282
• Sum of proper divisors (its aliquot sum) s(n): 1
• 135281 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 135280

Bases of 135281

• Binary: 100001000001110001₂
• Hexadecimal: 0x21071
• Base-36: 2WDT

Squares and roots of 135281

• 135281 squared (135281²) is 18300948961
• 135281 cubed (135281³) is 2475770676393041
• The square root of 135281 is 367.8056552039
• The cube root of 135281 is 51.3348465663

Scales and comparisons

• 135,281 seconds is equal to 1 day, 13 hours, 34 minutes, 41 seconds.
• To count from 1 to 135,281 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 135281 cubic inches would be around 4.3 feet tall.

Recreational maths with 135281

• 135281 backwards is 182531
• 135281 is a twin prime! Its twin is 135283
• The number of decimal digits it has is: 6
• The sum of 135281's digits is 20
• More coming soon!