21413479

Names of 21413479

• Cardinal: 21413479 can be written as Twenty-one million, four hundred thirteen thousand, four hundred seventy-nine.

Scientific notation

• Scientific notation: 2.1413479 × 10⁷

Factors of 21413479

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 21413479

Divisors of 21413479

• Number of divisors d(n): 2
• Complete list of divisors:
  1 21413479
• Sum of all divisors σ(n): 21413480
• Sum of proper divisors (its aliquot sum) s(n): 1
• 21413479 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21413478

Bases of 21413479

• Binary: 1010001101011111001100111₂
• Hexadecimal: 0x146BE67
• Base-36: CQYQV

Squares and roots of 21413479

• 21413479 squared (21413479²) is 458537082883441
• 21413479 cubed (21413479³) is 9818874195045823301239
• The square root of 21413479 is 4627.4700431231
• The cube root of 21413479 is 277.6913876003

Scales and comparisons

• 21,413,479 seconds is equal to 35 weeks, 2 days, 20 hours, 11 minutes, 19 seconds.
• To count from 1 to 21,413,479 would take you about eighteen 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 21413479 cubic inches would be around 23.1 feet tall.

Recreational maths with 21413479

• 21413479 backwards is 97431412
• The number of decimal digits it has is: 8
• The sum of 21413479's digits is 31
• More coming soon!