72136

Names of 72136

• Cardinal: 72136 can be written as Seventy-two thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 7.2136 × 10⁴

Factors of 72136

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 200

Divisors of 72136

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 4 8 71 127 142 254 284 508 568 1016 9017 18034 36068 72136
• Sum of all divisors σ(n): 138240
• Sum of proper divisors (its aliquot sum) s(n): 66104
• 72136 is a deficient number, because the sum of its proper divisors (66104) is less than itself. Its deficiency is 6032

Bases of 72136

• Binary: 10001100111001000₂
• Hexadecimal: 0x119C8
• Base-36: 1JNS

Squares and roots of 72136

• 72136 squared (72136²) is 5203602496
• 72136 cubed (72136³) is 375367069651456
• The square root of 72136 is 268.5814587793
• The cube root of 72136 is 41.6278536343

Scales and comparisons

• 72,136 seconds is equal to 20 hours, 2 minutes, 16 seconds.
• To count from 1 to 72,136 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 72136 cubic inches would be around 3.5 feet tall.

Recreational maths with 72136

• 72136 backwards is 63127
• The number of decimal digits it has is: 5
• The sum of 72136's digits is 19
• More coming soon!