21353427

21,353,427 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21353427 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

21353427 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 21353427:

3² × 109 × 21767

(3 × 3 × 109 × 21767)

See below for interesting mathematical facts about the number 21353427 from the Numbermatics database.

Names of 21353427

Cardinal: 21353427 can be written as Twenty-one million, three hundred fifty-three thousand, four hundred twenty-seven.

Scientific notation

Scientific notation: 2.1353427 × 10⁷

Factors of 21353427

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 21879

Divisors of 21353427

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 109 327 981 21767 65301 195903 2372603 7117809 21353427
Sum of all divisors σ(n): 31128240
Sum of proper divisors (its aliquot sum) s(n): 9774813
21353427 is a deficient number, because the sum of its proper divisors (9774813) is less than itself. Its deficiency is 11578614

Bases of 21353427

Binary: 1010001011101001111010011₂
Hexadecimal: 0x145D3D3
Base-36: CPOER

Squares and roots of 21353427

21353427 squared (21353427²) is 455968844644329
21353427 cubed (21353427³) is 9736497438387020265483
The square root of 21353427 is 4620.9768447807
The cube root of 21353427 is 277.4315584805

Scales and comparisons

How big is 21353427?

21,353,427 seconds is equal to 35 weeks, 2 days, 3 hours, 30 minutes, 27 seconds.
To count from 1 to 21,353,427 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 21353427 cubic inches would be around 23.1 feet tall.

Recreational maths with 21353427

21353427 backwards is 72435312
The number of decimal digits it has is: 8
The sum of 21353427's digits is 27
More coming soon!

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The information we have on file for 21353427 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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