21214

Names of 21214

• Cardinal: 21214 can be written as Twenty-one thousand, two hundred fourteen.

Scientific notation

• Scientific notation: 2.1214 × 10⁴

Factors of 21214

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 10609

Divisors of 21214

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 10607 21214
• Sum of all divisors σ(n): 31824
• Sum of proper divisors (its aliquot sum) s(n): 10610
• 21214 is a deficient number, because the sum of its proper divisors (10610) is less than itself. Its deficiency is 10604

Bases of 21214

• Binary: 101001011011110₂
• Hexadecimal: 0x52DE
• Base-36: GDA

Squares and roots of 21214

• 21214 squared (21214²) is 450033796
• 21214 cubed (21214³) is 9547016948344
• The square root of 21214 is 145.6502660485
• The cube root of 21214 is 27.6826410547

Scales and comparisons

• 21,214 seconds is equal to 5 hours, 53 minutes, 34 seconds.
• To count from 1 to 21,214 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 21214 cubic inches would be around 2.3 feet tall.

Recreational maths with 21214

• 21214 backwards is 41212
• The number of decimal digits it has is: 5
• The sum of 21214's digits is 10
• More coming soon!