21009416

21,009,416 is an even composite number composed of four prime numbers multiplied together.

What does the number 21009416 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

21009416 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21009416:

2³ × 17 × 241 × 641

(2 × 2 × 2 × 17 × 241 × 641)

See below for interesting mathematical facts about the number 21009416 from the Numbermatics database.

Names of 21009416

Cardinal: 21009416 can be written as Twenty-one million, nine thousand, four hundred sixteen.

Scientific notation

Scientific notation: 2.1009416 × 10⁷

Factors of 21009416

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 901

Divisors of 21009416

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 8 17 34 68 136 241 482 641 964 1282 1928 2564 4097 5128 8194 10897 16388 21794 32776 43588 87176 154481 308962 617924 1235848 2626177 5252354 10504708 21009416
Sum of all divisors σ(n): 41948280
Sum of proper divisors (its aliquot sum) s(n): 20938864
21009416 is a deficient number, because the sum of its proper divisors (20938864) is less than itself. Its deficiency is 70552

Bases of 21009416

Binary: 1010000001001010000001000₂
Hexadecimal: 0x1409408
Base-36: CIAYW

Squares and roots of 21009416

21009416 squared (21009416²) is 441395560661056
21009416 cubed (21009416³) is 9273462954481360503296
The square root of 21009416 is 4583.6029496457
The cube root of 21009416 is 275.9336464449

Scales and comparisons

How big is 21009416?

21,009,416 seconds is equal to 34 weeks, 5 days, 3 hours, 56 minutes, 56 seconds.
To count from 1 to 21,009,416 would take you about seventeen 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 21009416 cubic inches would be around 23 feet tall.

Recreational maths with 21009416

21009416 backwards is 61490012
The number of decimal digits it has is: 8
The sum of 21009416's digits is 23
More coming soon!

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The information we have on file for 21009416 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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