20442

Names of 20442

• Cardinal: 20442 can be written as Twenty thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 2.0442 × 10⁴

Factors of 20442

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3412

Divisors of 20442

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 3407 6814 10221 20442
• Sum of all divisors σ(n): 40896
• Sum of proper divisors (its aliquot sum) s(n): 20454
• 20442 is an abundant number, because the sum of its proper divisors (20454) is greater than itself. Its abundance is 12

Bases of 20442

• Binary: 100111111011010₂
• Hexadecimal: 0x4FDA
• Base-36: FRU

Squares and roots of 20442

• 20442 squared (20442²) is 417875364
• 20442 cubed (20442³) is 8542208190888
• The square root of 20442 is 142.9755223805
• The cube root of 20442 is 27.3426830331

Scales and comparisons

• 20,442 seconds is equal to 5 hours, 40 minutes, 42 seconds.
• To count from 1 to 20,442 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 20442 cubic inches would be around 2.3 feet tall.

Recreational maths with 20442

• 20442 backwards is 24402
• The number of decimal digits it has is: 5
• The sum of 20442's digits is 12
• More coming soon!