18212

Names of 18212

• Cardinal: 18212 can be written as Eighteen thousand, two hundred twelve.

Scientific notation

• Scientific notation: 1.8212 × 10⁴

Factors of 18212

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 188

Divisors of 18212

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 29 58 116 157 314 628 4553 9106 18212
• Sum of all divisors σ(n): 33180
• Sum of proper divisors (its aliquot sum) s(n): 14968
• 18212 is a deficient number, because the sum of its proper divisors (14968) is less than itself. Its deficiency is 3244

Bases of 18212

• Binary: 100011100100100₂
• Hexadecimal: 0x4724
• Base-36: E1W

Squares and roots of 18212

• 18212 squared (18212²) is 331676944
• 18212 cubed (18212³) is 6040500504128
• The square root of 18212 is 134.9518432627
• The cube root of 18212 is 26.3099009983

Scales and comparisons

• 18,212 seconds is equal to 5 hours, 3 minutes, 32 seconds.
• To count from 1 to 18,212 would take you about five 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 18212 cubic inches would be around 2.2 feet tall.

Recreational maths with 18212

• 18212 backwards is 21281
• The number of decimal digits it has is: 5
• The sum of 18212's digits is 14
• More coming soon!