21325330

Names of 21325330

• Cardinal: 21325330 can be written as Twenty-one million, three hundred twenty-five thousand, three hundred thirty.

Scientific notation

• Scientific notation: 2.132533 × 10⁷

Factors of 21325330

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 4062

Divisors of 21325330

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 10 13 26 41 65 82 130 205 410 533 1066 2665 4001 5330 8002 20005 40010 52013 104026 164041 260065 328082 520130 820205 1640410 2132533 4265066 10662665 21325330
• Sum of all divisors σ(n): 42357168
• Sum of proper divisors (its aliquot sum) s(n): 21031838
• 21325330 is a deficient number, because the sum of its proper divisors (21031838) is less than itself. Its deficiency is 293492

Bases of 21325330

• Binary: 1010001010110011000010010₂
• Hexadecimal: 0x1456612
• Base-36: CP2QA

Squares and roots of 21325330

• 21325330 squared (21325330²) is 454769699608900
• 21325330 cubed (21325330³) is 9698113918160663437000
• The square root of 21325330 is 4617.9356859965
• The cube root of 21325330 is 277.3098228935

Scales and comparisons

• 21,325,330 seconds is equal to 35 weeks, 1 day, 19 hours, 42 minutes, 10 seconds.
• To count from 1 to 21,325,330 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 21325330 cubic inches would be around 23.1 feet tall.

Recreational maths with 21325330

• 21325330 backwards is 03352312
• The number of decimal digits it has is: 8
• The sum of 21325330's digits is 19
• More coming soon!