23990

Names of 23990

• Cardinal: 23990 can be written as Twenty-three thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.399 × 10⁴

Factors of 23990

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2406

Divisors of 23990

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 2399 4798 11995 23990
• Sum of all divisors σ(n): 43200
• Sum of proper divisors (its aliquot sum) s(n): 19210
• 23990 is a deficient number, because the sum of its proper divisors (19210) is less than itself. Its deficiency is 4780

Bases of 23990

• Binary: 101110110110110₂
• Hexadecimal: 0x5DB6
• Base-36: IIE

Squares and roots of 23990

• 23990 squared (23990²) is 575520100
• 23990 cubed (23990³) is 13806727199000
• The square root of 23990 is 154.8870556243
• The cube root of 23990 is 28.8409846007

Scales and comparisons

• 23,990 seconds is equal to 6 hours, 39 minutes, 50 seconds.
• To count from 1 to 23,990 would take you about six 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 23990 cubic inches would be around 2.4 feet tall.

Recreational maths with 23990

• 23990 backwards is 09932
• The number of decimal digits it has is: 5
• The sum of 23990's digits is 23
• More coming soon!