21225946

21,225,946 is an even composite number composed of four prime numbers multiplied together.

What does the number 21225946 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

21225946 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21225946:

2 × 7 × 41 × 36979

See below for interesting mathematical facts about the number 21225946 from the Numbermatics database.

Names of 21225946

Cardinal: 21225946 can be written as Twenty-one million, two hundred twenty-five thousand, nine hundred forty-six.

Scientific notation

Scientific notation: 2.1225946 × 10⁷

Factors of 21225946

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 37029

Divisors of 21225946

Number of divisors d(n): 16
Complete list of divisors:
1 2 7 14 41 82 287 574 36979 73958 258853 517706 1516139 3032278 10612973 21225946
Sum of all divisors σ(n): 37275840
Sum of proper divisors (its aliquot sum) s(n): 16049894
21225946 is a deficient number, because the sum of its proper divisors (16049894) is less than itself. Its deficiency is 5176052

Bases of 21225946

Binary: 1010000111110000111011010₂
Hexadecimal: 0x143E1DA
Base-36: CMY1M

Squares and roots of 21225946

21225946 squared (21225946²) is 450540783594916
21225946 cubed (21225946³) is 9563154343383372890536
The square root of 21225946 is 4607.1624672893
The cube root of 21225946 is 276.8783628381

Scales and comparisons

How big is 21225946?

21,225,946 seconds is equal to 35 weeks, 16 hours, 5 minutes, 46 seconds.
To count from 1 to 21,225,946 would take you about four 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 21225946 cubic inches would be around 23.1 feet tall.

Recreational maths with 21225946

21225946 backwards is 64952212
The number of decimal digits it has is: 8
The sum of 21225946's digits is 31
More coming soon!

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The information we have on file for 21225946 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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