21421426

21,421,426 is an even composite number composed of three prime numbers multiplied together.

What does the number 21421426 look like?

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

21421426 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 21421426:

2 × 13² × 63377

(2 × 13 × 13 × 63377)

See below for interesting mathematical facts about the number 21421426 from the Numbermatics database.

Names of 21421426

Cardinal: 21421426 can be written as Twenty-one million, four hundred twenty-one thousand, four hundred twenty-six.

Scientific notation

Scientific notation: 2.1421426 × 10⁷

Factors of 21421426

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 63392

Divisors of 21421426

Number of divisors d(n): 12
Complete list of divisors:
1 2 13 26 169 338 63377 126754 823901 1647802 10710713 21421426
Sum of all divisors σ(n): 34794522
Sum of proper divisors (its aliquot sum) s(n): 13373096
21421426 is a deficient number, because the sum of its proper divisors (13373096) is less than itself. Its deficiency is 8048330

Bases of 21421426

Binary: 1010001101101110101110010₂
Hexadecimal: 0x146DD72
Base-36: CR4VM

Squares and roots of 21421426

21421426 squared (21421426²) is 458877491873476
21421426 cubed (21421426³) is 9829810235233267496776
The square root of 21421426 is 4628.3286400169
The cube root of 21421426 is 277.7257357555

Scales and comparisons

How big is 21421426?

21,421,426 seconds is equal to 35 weeks, 2 days, 22 hours, 23 minutes, 46 seconds.
To count from 1 to 21,421,426 would take you about twenty-one 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 21421426 cubic inches would be around 23.1 feet tall.

Recreational maths with 21421426

21421426 backwards is 62412412
The number of decimal digits it has is: 8
The sum of 21421426's digits is 22
More coming soon!

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The information we have on file for 21421426 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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