21029406

21,029,406 is an even composite number composed of five prime numbers multiplied together.

What does the number 21029406 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

21029406 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21029406:

2 × 3 × 23 × 97 × 1571

See below for interesting mathematical facts about the number 21029406 from the Numbermatics database.

Names of 21029406

Cardinal: 21029406 can be written as Twenty-one million, twenty-nine thousand, four hundred six.

Scientific notation

Scientific notation: 2.1029406 × 10⁷

Factors of 21029406

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 1696

Divisors of 21029406

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 6 23 46 69 97 138 194 291 582 1571 2231 3142 4462 4713 6693 9426 13386 36133 72266 108399 152387 216798 304774 457161 914322 3504901 7009802 10514703 21029406
Sum of all divisors σ(n): 44368128
Sum of proper divisors (its aliquot sum) s(n): 23338722
21029406 is an abundant number, because the sum of its proper divisors (23338722) is greater than itself. Its abundance is 2309316

Bases of 21029406

Binary: 1010000001110001000011110₂
Hexadecimal: 0x140E21E
Base-36: CIQE6

Squares and roots of 21029406

21029406 squared (21029406²) is 442235916712836
21029406 cubed (21029406³) is 9299958640336413655416
The square root of 21029406 is 4585.7830301923
The cube root of 21029406 is 276.0211336475

Scales and comparisons

How big is 21029406?

21,029,406 seconds is equal to 34 weeks, 5 days, 9 hours, 30 minutes, 6 seconds.
To count from 1 to 21,029,406 would take you about two 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 21029406 cubic inches would be around 23 feet tall.

Recreational maths with 21029406

21029406 backwards is 60492012
The number of decimal digits it has is: 8
The sum of 21029406's digits is 24
More coming soon!

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The information we have on file for 21029406 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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