21434

Names of 21434

• Cardinal: 21434 can be written as Twenty-one thousand, four hundred thirty-four.

Scientific notation

• Scientific notation: 2.1434 × 10⁴

Factors of 21434

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1540

Divisors of 21434

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 1531 3062 10717 21434
• Sum of all divisors σ(n): 36768
• Sum of proper divisors (its aliquot sum) s(n): 15334
• 21434 is a deficient number, because the sum of its proper divisors (15334) is less than itself. Its deficiency is 6100

Bases of 21434

• Binary: 101001110111010₂
• Hexadecimal: 0x53BA
• Base-36: GJE

Squares and roots of 21434

• 21434 squared (21434²) is 459416356
• 21434 cubed (21434³) is 9847130174504
• The square root of 21434 is 146.4035518695
• The cube root of 21434 is 27.7780065167

Scales and comparisons

• 21,434 seconds is equal to 5 hours, 57 minutes, 14 seconds.
• To count from 1 to 21,434 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 21434 cubic inches would be around 2.3 feet tall.

Recreational maths with 21434

• 21434 backwards is 43412
• 21434 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 21434's digits is 14
• More coming soon!