29985

Names of 29985

• Cardinal: 29985 can be written as Twenty-nine thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 2.9985 × 10⁴

Factors of 29985

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2007

Divisors of 29985

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 5 15 1999 5997 9995 29985
• Sum of all divisors σ(n): 48000
• Sum of proper divisors (its aliquot sum) s(n): 18015
• 29985 is a deficient number, because the sum of its proper divisors (18015) is less than itself. Its deficiency is 11970

Bases of 29985

• Binary: 111010100100001₂
• Hexadecimal: 0x7521
• Base-36: N4X

Squares and roots of 29985

• 29985 squared (29985²) is 899100225
• 29985 cubed (29985³) is 26959520246625
• The square root of 29985 is 173.1617740727
• The cube root of 29985 is 31.0671454753

Scales and comparisons

• 29,985 seconds is equal to 8 hours, 19 minutes, 45 seconds.
• To count from 1 to 29,985 would take you about eight 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 29985 cubic inches would be around 2.6 feet tall.

Recreational maths with 29985

• 29985 backwards is 58992
• The number of decimal digits it has is: 5
• The sum of 29985's digits is 33
• More coming soon!