72255

Names of 72255

• Cardinal: 72255 can be written as Seventy-two thousand, two hundred fifty-five.

Scientific notation

• Scientific notation: 7.2255 × 10⁴

Factors of 72255

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4825

Divisors of 72255

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 5 15 4817 14451 24085 72255
• Sum of all divisors σ(n): 115632
• Sum of proper divisors (its aliquot sum) s(n): 43377
• 72255 is a deficient number, because the sum of its proper divisors (43377) is less than itself. Its deficiency is 28878

Bases of 72255

• Binary: 10001101000111111₂
• Hexadecimal: 0x11A3F
• Base-36: 1JR3

Squares and roots of 72255

• 72255 squared (72255²) is 5220785025
• 72255 cubed (72255³) is 377227821981375
• The square root of 72255 is 268.8029017701
• The cube root of 72255 is 41.6507316843

Scales and comparisons

• 72,255 seconds is equal to 20 hours, 4 minutes, 15 seconds.
• To count from 1 to 72,255 would take you about twenty 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 72255 cubic inches would be around 3.5 feet tall.

Recreational maths with 72255

• 72255 backwards is 55227
• The number of decimal digits it has is: 5
• The sum of 72255's digits is 21
• More coming soon!