20201

Names of 20201

• Cardinal: 20201 can be written as Twenty thousand, two hundred one.

Scientific notation

• Scientific notation: 2.0201 × 10⁴

Factors of 20201

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 20201

Divisors of 20201

• Number of divisors d(n): 2
• Complete list of divisors:
  1 20201
• Sum of all divisors σ(n): 20202
• Sum of proper divisors (its aliquot sum) s(n): 1
• 20201 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 20200

Bases of 20201

• Binary: 100111011101001₂
• Hexadecimal: 0x4EE9
• Base-36: FL5

Squares and roots of 20201

• 20201 squared (20201²) is 408080401
• 20201 cubed (20201³) is 8243632180601
• The square root of 20201 is 142.1302219799
• The cube root of 20201 is 27.2348062201

Scales and comparisons

• 20,201 seconds is equal to 5 hours, 36 minutes, 41 seconds.
• To count from 1 to 20,201 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 20201 cubic inches would be around 2.3 feet tall.

Recreational maths with 20201

• 20201 backwards is 10202
• The number of decimal digits it has is: 5
• The sum of 20201's digits is 5
• More coming soon!