20404

Names of 20404

• Cardinal: 20404 can be written as Twenty thousand, four hundred four.

Scientific notation

• Scientific notation: 2.0404 × 10⁴

Factors of 20404

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 5103

Divisors of 20404

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 5101 10202 20404
• Sum of all divisors σ(n): 35714
• Sum of proper divisors (its aliquot sum) s(n): 15310
• 20404 is a deficient number, because the sum of its proper divisors (15310) is less than itself. Its deficiency is 5094

Bases of 20404

• Binary: 100111110110100₂
• Hexadecimal: 0x4FB4
• Base-36: FQS

Squares and roots of 20404

• 20404 squared (20404²) is 416323216
• 20404 cubed (20404³) is 8494658899264
• The square root of 20404 is 142.8425706853
• The cube root of 20404 is 27.3257299229

Scales and comparisons

• 20,404 seconds is equal to 5 hours, 40 minutes, 4 seconds.
• To count from 1 to 20,404 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 20404 cubic inches would be around 2.3 feet tall.

Recreational maths with 20404

• 20404 backwards is 40402
• The number of decimal digits it has is: 5
• The sum of 20404's digits is 10
• More coming soon!