21713330

Names of 21713330

• Cardinal: 21713330 can be written as Twenty-one million, seven hundred thirteen thousand, three hundred thirty.

Scientific notation

• Scientific notation: 2.171333 × 10⁷

Factors of 21713330

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 914

Divisors of 21713330

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 10 31 62 89 155 178 310 445 787 890 1574 2759 3935 5518 7870 13795 24397 27590 48794 70043 121985 140086 243970 350215 700430 2171333 4342666 10856665 21713330
• Sum of all divisors σ(n): 40849920
• Sum of proper divisors (its aliquot sum) s(n): 19136590
• 21713330 is a deficient number, because the sum of its proper divisors (19136590) is less than itself. Its deficiency is 2576740

Bases of 21713330

• Binary: 1010010110101000110110010₂
• Hexadecimal: 0x14B51B2
• Base-36: CXE42

Squares and roots of 21713330

• 21713330 squared (21713330²) is 471468699688900
• 21713330 cubed (21713330³) is 10237155461015983037000
• The square root of 21713330 is 4659.7564314029
• The cube root of 21713330 is 278.9815466357

Scales and comparisons

• 21,713,330 seconds is equal to 35 weeks, 6 days, 7 hours, 28 minutes, 50 seconds.
• To count from 1 to 21,713,330 would take you about five 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 21713330 cubic inches would be around 23.2 feet tall.

Recreational maths with 21713330

• 21713330 backwards is 03331712
• The number of decimal digits it has is: 8
• The sum of 21713330's digits is 20
• More coming soon!