20123

Names of 20123

• Cardinal: 20123 can be written as Twenty thousand, one hundred twenty-three.

Scientific notation

• Scientific notation: 2.0123 × 10⁴

Factors of 20123

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 20123

Divisors of 20123

• Number of divisors d(n): 2
• Complete list of divisors:
  1 20123
• Sum of all divisors σ(n): 20124
• Sum of proper divisors (its aliquot sum) s(n): 1
• 20123 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 20122

Bases of 20123

• Binary: 100111010011011₂
• Hexadecimal: 0x4E9B
• Base-36: FIZ

Squares and roots of 20123

• 20123 squared (20123²) is 404935129
• 20123 cubed (20123³) is 8148509600867
• The square root of 20123 is 141.8555603421
• The cube root of 20123 is 27.1997080419

Scales and comparisons

• 20,123 seconds is equal to 5 hours, 35 minutes, 23 seconds.
• To count from 1 to 20,123 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 20123 cubic inches would be around 2.3 feet tall.

Recreational maths with 20123

• 20123 backwards is 32102
• The number of decimal digits it has is: 5
• The sum of 20123's digits is 8
• More coming soon!