23840

Names of 23840

• Cardinal: 23840 can be written as Twenty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.384 × 10⁴

Factors of 23840

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 156

Divisors of 23840

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 80 149 160 298 596 745 1192 1490 2384 2980 4768 5960 11920 23840
• Sum of all divisors σ(n): 56700
• Sum of proper divisors (its aliquot sum) s(n): 32860
• 23840 is an abundant number, because the sum of its proper divisors (32860) is greater than itself. Its abundance is 9020

Bases of 23840

• Binary: 101110100100000₂
• Hexadecimal: 0x5D20
• Base-36: IE8

Squares and roots of 23840

• 23840 squared (23840²) is 568345600
• 23840 cubed (23840³) is 13549359104000
• The square root of 23840 is 154.4020725249
• The cube root of 23840 is 28.7807484511

Scales and comparisons

• 23,840 seconds is equal to 6 hours, 37 minutes, 20 seconds.
• To count from 1 to 23,840 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 23840 cubic inches would be around 2.4 feet tall.

Recreational maths with 23840

• 23840 backwards is 04832
• The number of decimal digits it has is: 5
• The sum of 23840's digits is 17
• More coming soon!