72146

Names of 72146

• Cardinal: 72146 can be written as Seventy-two thousand, one hundred forty-six.

Scientific notation

• Scientific notation: 7.2146 × 10⁴

Factors of 72146

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 36075

Divisors of 72146

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 36073 72146
• Sum of all divisors σ(n): 108222
• Sum of proper divisors (its aliquot sum) s(n): 36076
• 72146 is a deficient number, because the sum of its proper divisors (36076) is less than itself. Its deficiency is 36070

Bases of 72146

• Binary: 10001100111010010₂
• Hexadecimal: 0x119D2
• Base-36: 1JO2

Squares and roots of 72146

• 72146 squared (72146²) is 5205045316
• 72146 cubed (72146³) is 375523199368136
• The square root of 72146 is 268.6000744601
• The cube root of 72146 is 41.6297771273

Scales and comparisons

• 72,146 seconds is equal to 20 hours, 2 minutes, 26 seconds.
• To count from 1 to 72,146 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 72146 cubic inches would be around 3.5 feet tall.

Recreational maths with 72146

• 72146 backwards is 64127
• The number of decimal digits it has is: 5
• The sum of 72146's digits is 20
• More coming soon!