22421

Names of 22421

• Cardinal: 22421 can be written as Twenty-two thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 2.2421 × 10⁴

Factors of 22421

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 3210

Divisors of 22421

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 3203 22421
• Sum of all divisors σ(n): 25632
• Sum of proper divisors (its aliquot sum) s(n): 3211
• 22421 is a deficient number, because the sum of its proper divisors (3211) is less than itself. Its deficiency is 19210

Bases of 22421

• Binary: 101011110010101₂
• Hexadecimal: 0x5795
• Base-36: HAT

Squares and roots of 22421

• 22421 squared (22421²) is 502701241
• 22421 cubed (22421³) is 11271064524461
• The square root of 22421 is 149.7364351119
• The cube root of 22421 is 28.1980013003

Scales and comparisons

• 22,421 seconds is equal to 6 hours, 13 minutes, 41 seconds.
• To count from 1 to 22,421 would take you about six 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 22421 cubic inches would be around 2.3 feet tall.

Recreational maths with 22421

• 22421 backwards is 12422
• The number of decimal digits it has is: 5
• The sum of 22421's digits is 11
• More coming soon!