21420584

21,420,584 is an even composite number composed of two prime numbers multiplied together.

What does the number 21420584 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

21420584 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 21420584:

2³ × 2677573

(2 × 2 × 2 × 2677573)

See below for interesting mathematical facts about the number 21420584 from the Numbermatics database.

Names of 21420584

Cardinal: 21420584 can be written as Twenty-one million, four hundred twenty thousand, five hundred eighty-four.

Scientific notation

Scientific notation: 2.1420584 × 10⁷

Factors of 21420584

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 2677575

Divisors of 21420584

Number of divisors d(n): 8
Complete list of divisors:
1 2 4 8 2677573 5355146 10710292 21420584
Sum of all divisors σ(n): 40163610
Sum of proper divisors (its aliquot sum) s(n): 18743026
21420584 is a deficient number, because the sum of its proper divisors (18743026) is less than itself. Its deficiency is 2677558

Bases of 21420584

Binary: 1010001101101101000101000₂
Hexadecimal: 0x146DA28
Base-36: CR488

Squares and roots of 21420584

21420584 squared (21420584²) is 458841418901056
21420584 cubed (21420584³) is 9828651156249257736704
The square root of 21420584 is 4628.2376775615
The cube root of 21420584 is 277.7220969047

Scales and comparisons

How big is 21420584?

21,420,584 seconds is equal to 35 weeks, 2 days, 22 hours, 9 minutes, 44 seconds.
To count from 1 to 21,420,584 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 21420584 cubic inches would be around 23.1 feet tall.

Recreational maths with 21420584

21420584 backwards is 48502412
The number of decimal digits it has is: 8
The sum of 21420584's digits is 26
More coming soon!

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The information we have on file for 21420584 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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