21038368

21,038,368 is an even composite number composed of four prime numbers multiplied together.

What does the number 21038368 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

21038368 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21038368:

2⁵ × 13 × 103 × 491

(2 × 2 × 2 × 2 × 2 × 13 × 103 × 491)

See below for interesting mathematical facts about the number 21038368 from the Numbermatics database.

Names of 21038368

Cardinal: 21038368 can be written as Twenty-one million, thirty-eight thousand, three hundred sixty-eight.

Scientific notation

Scientific notation: 2.1038368 × 10⁷

Factors of 21038368

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 8
Sum of prime factors: 609

Divisors of 21038368

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 8 13 16 26 32 52 103 104 206 208 412 416 491 824 982 1339 1648 1964 2678 3296 3928 5356 6383 7856 10712 12766 15712 21424 25532 42848 50573 51064 101146 102128 202292 204256 404584 657449 809168 1314898 1618336 2629796 5259592 10519184 21038368
Sum of all divisors σ(n): 45130176
Sum of proper divisors (its aliquot sum) s(n): 24091808
21038368 is an abundant number, because the sum of its proper divisors (24091808) is greater than itself. Its abundance is 3053440

Bases of 21038368

Binary: 1010000010000010100100000₂
Hexadecimal: 0x1410520
Base-36: CIXB4

Squares and roots of 21038368

21038368 squared (21038368²) is 442612928103424
21038368 cubed (21038368³) is 9311853662997376172032
The square root of 21038368 is 4586.7600765683
The cube root of 21038368 is 276.0603382749

Scales and comparisons

How big is 21038368?

21,038,368 seconds is equal to 34 weeks, 5 days, 11 hours, 59 minutes, 28 seconds.
To count from 1 to 21,038,368 would take you about five 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 21038368 cubic inches would be around 23 feet tall.

Recreational maths with 21038368

21038368 backwards is 86383012
The number of decimal digits it has is: 8
The sum of 21038368's digits is 31
More coming soon!

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The information we have on file for 21038368 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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