21342801

Names of 21342801

• Cardinal: 21342801 can be written as Twenty-one million, three hundred forty-two thousand, eight hundred one.

Scientific notation

• Scientific notation: 2.1342801 × 10⁷

Factors of 21342801

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 5855

Divisors of 21342801

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 1723 4129 5169 12387 7114267 21342801
• Sum of all divisors σ(n): 28480480
• Sum of proper divisors (its aliquot sum) s(n): 7137679
• 21342801 is a deficient number, because the sum of its proper divisors (7137679) is less than itself. Its deficiency is 14205122

Bases of 21342801

• Binary: 1010001011010101001010001₂
• Hexadecimal: 0x145AA51
• Base-36: CPG7L

Squares and roots of 21342801

• 21342801 squared (21342801²) is 455515154525601
• 21342801 cubed (21342801³) is 9721969295524151548401
• The square root of 21342801 is 4619.8269448109
• The cube root of 21342801 is 277.3855318813

Scales and comparisons

• 21,342,801 seconds is equal to 35 weeks, 2 days, 33 minutes, 21 seconds.
• To count from 1 to 21,342,801 would take you about six days!

  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 21342801 cubic inches would be around 23.1 feet tall.

Recreational maths with 21342801

• 21342801 backwards is 10824312
• The number of decimal digits it has is: 8
• The sum of 21342801's digits is 21
• More coming soon!