21354

Names of 21354

• Cardinal: 21354 can be written as Twenty-one thousand, three hundred fifty-four.

Scientific notation

• Scientific notation: 2.1354 × 10⁴

Factors of 21354

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3564

Divisors of 21354

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 3559 7118 10677 21354
• Sum of all divisors σ(n): 42720
• Sum of proper divisors (its aliquot sum) s(n): 21366
• 21354 is an abundant number, because the sum of its proper divisors (21366) is greater than itself. Its abundance is 12

Bases of 21354

• Binary: 101001101101010₂
• Hexadecimal: 0x536A
• Base-36: GH6

Squares and roots of 21354

• 21354 squared (21354²) is 455993316
• 21354 cubed (21354³) is 9737281269864
• The square root of 21354 is 146.1300790391
• The cube root of 21354 is 27.7434040001

Scales and comparisons

• 21,354 seconds is equal to 5 hours, 55 minutes, 54 seconds.
• To count from 1 to 21,354 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 21354 cubic inches would be around 2.3 feet tall.

Recreational maths with 21354

• 21354 backwards is 45312
• The number of decimal digits it has is: 5
• The sum of 21354's digits is 15
• More coming soon!