21834

Names of 21834

• Cardinal: 21834 can be written as Twenty-one thousand, eight hundred thirty-four.

Scientific notation

• Scientific notation: 2.1834 × 10⁴

Factors of 21834

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1218

Divisors of 21834

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 3 6 9 18 1213 2426 3639 7278 10917 21834
• Sum of all divisors σ(n): 47346
• Sum of proper divisors (its aliquot sum) s(n): 25512
• 21834 is an abundant number, because the sum of its proper divisors (25512) is greater than itself. Its abundance is 3678

Bases of 21834

• Binary: 101010101001010₂
• Hexadecimal: 0x554A
• Base-36: GUI

Squares and roots of 21834

• 21834 squared (21834²) is 476723556
• 21834 cubed (21834³) is 10408782121704
• The square root of 21834 is 147.7633242723
• The cube root of 21834 is 27.9497397685

Scales and comparisons

• 21,834 seconds is equal to 6 hours, 3 minutes, 54 seconds.
• To count from 1 to 21,834 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 21834 cubic inches would be around 2.3 feet tall.

Recreational maths with 21834

• 21834 backwards is 43812
• 21834 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 21834's digits is 18
• More coming soon!