21424761

21,424,761 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21424761 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

21424761 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21424761:

3² × 19 × 349 × 359

(3 × 3 × 19 × 349 × 359)

See below for interesting mathematical facts about the number 21424761 from the Numbermatics database.

Names of 21424761

Cardinal: 21424761 can be written as Twenty-one million, four hundred twenty-four thousand, seven hundred sixty-one.

Scientific notation

Scientific notation: 2.1424761 × 10⁷

Factors of 21424761

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 730

Divisors of 21424761

Number of divisors d(n): 24
Complete list of divisors:
1 3 9 19 57 171 349 359 1047 1077 3141 3231 6631 6821 19893 20463 59679 61389 125291 375873 1127619 2380529 7141587 21424761
Sum of all divisors σ(n): 32760000
Sum of proper divisors (its aliquot sum) s(n): 11335239
21424761 is a deficient number, because the sum of its proper divisors (11335239) is less than itself. Its deficiency is 10089522

Bases of 21424761

Binary: 1010001101110101001111001₂
Hexadecimal: 0x146EA79
Base-36: CR7G9

Squares and roots of 21424761

21424761 squared (21424761²) is 459020383907121
21424761 cubed (21424761³) is 9834402019338313623081
The square root of 21424761 is 4628.6889072393
The cube root of 21424761 is 277.7401476077

Scales and comparisons

How big is 21424761?

21,424,761 seconds is equal to 35 weeks, 2 days, 23 hours, 19 minutes, 21 seconds.
To count from 1 to 21,424,761 would take you about twenty-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 21424761 cubic inches would be around 23.1 feet tall.

Recreational maths with 21424761

21424761 backwards is 16742412
The number of decimal digits it has is: 8
The sum of 21424761's digits is 27
More coming soon!

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The information we have on file for 21424761 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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