21382137

21,382,137 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21382137 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

21382137 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 21382137:

3⁴ × 7 × 43 × 877

(3 × 3 × 3 × 3 × 7 × 43 × 877)

See below for interesting mathematical facts about the number 21382137 from the Numbermatics database.

Names of 21382137

Cardinal: 21382137 can be written as Twenty-one million, three hundred eighty-two thousand, one hundred thirty-seven.

Scientific notation

Scientific notation: 2.1382137 × 10⁷

Factors of 21382137

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 930

Divisors of 21382137

Number of divisors d(n): 40
Complete list of divisors:
1 3 7 9 21 27 43 63 81 129 189 301 387 567 877 903 1161 2631 2709 3483 6139 7893 8127 18417 23679 24381 37711 55251 71037 113133 165753 263977 339399 497259 791931 1018197 2375793 3054591 7127379 21382137
Sum of all divisors σ(n): 37395776
Sum of proper divisors (its aliquot sum) s(n): 16013639
21382137 is a deficient number, because the sum of its proper divisors (16013639) is less than itself. Its deficiency is 5368498

Bases of 21382137

Binary: 1010001100100001111111001₂
Hexadecimal: 0x14643F9
Base-36: CQAK9

Squares and roots of 21382137

21382137 squared (21382137²) is 457195782686769
21382137 cubed (21382137³) is 9775822861230722845353
The square root of 21382137 is 4624.0822873301
The cube root of 21382137 is 277.5558397489

Scales and comparisons

How big is 21382137?

21,382,137 seconds is equal to 35 weeks, 2 days, 11 hours, 28 minutes, 57 seconds.
To count from 1 to 21,382,137 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 21382137 cubic inches would be around 23.1 feet tall.

Recreational maths with 21382137

21382137 backwards is 73128312
21382137 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21382137's digits is 27
More coming soon!

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The information we have on file for 21382137 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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