20426

Names of 20426

• Cardinal: 20426 can be written as Twenty thousand, four hundred twenty-six.

Scientific notation

• Scientific notation: 2.0426 × 10⁴

Factors of 20426

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1468

Divisors of 20426

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 1459 2918 10213 20426
• Sum of all divisors σ(n): 35040
• Sum of proper divisors (its aliquot sum) s(n): 14614
• 20426 is a deficient number, because the sum of its proper divisors (14614) is less than itself. Its deficiency is 5812

Bases of 20426

• Binary: 100111111001010₂
• Hexadecimal: 0x4FCA
• Base-36: FRE

Squares and roots of 20426

• 20426 squared (20426²) is 417221476
• 20426 cubed (20426³) is 8522165868776
• The square root of 20426 is 142.9195577939
• The cube root of 20426 is 27.3355474445

Scales and comparisons

• 20,426 seconds is equal to 5 hours, 40 minutes, 26 seconds.
• To count from 1 to 20,426 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 20426 cubic inches would be around 2.3 feet tall.

Recreational maths with 20426

• 20426 backwards is 62402
• 20426 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 20426's digits is 14
• More coming soon!