72213

Names of 72213

• Cardinal: 72213 can be written as Seventy-two thousand, two hundred thirteen.

Scientific notation

• Scientific notation: 7.2213 × 10⁴

Factors of 72213

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 24074

Divisors of 72213

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 24071 72213
• Sum of all divisors σ(n): 96288
• Sum of proper divisors (its aliquot sum) s(n): 24075
• 72213 is a deficient number, because the sum of its proper divisors (24075) is less than itself. Its deficiency is 48138

Bases of 72213

• Binary: 10001101000010101₂
• Hexadecimal: 0x11A15
• Base-36: 1JPX

Squares and roots of 72213

• 72213 squared (72213²) is 5214717369
• 72213 cubed (72213³) is 376570385367597
• The square root of 72213 is 268.7247662573
• The cube root of 72213 is 41.6426599487

Scales and comparisons

• 72,213 seconds is equal to 20 hours, 3 minutes, 33 seconds.
• To count from 1 to 72,213 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 72213 cubic inches would be around 3.5 feet tall.

Recreational maths with 72213

• 72213 backwards is 31227
• The number of decimal digits it has is: 5
• The sum of 72213's digits is 15
• More coming soon!