21421036

21,421,036 is an even composite number composed of four prime numbers multiplied together.

What does the number 21421036 look like?

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

21421036 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 21421036:

2² × 7³ × 13 × 1201

(2 × 2 × 7 × 7 × 7 × 13 × 1201)

See below for interesting mathematical facts about the number 21421036 from the Numbermatics database.

Names of 21421036

Cardinal: 21421036 can be written as Twenty-one million, four hundred twenty-one thousand and thirty-six.

Scientific notation

Scientific notation: 2.1421036 × 10⁷

Factors of 21421036

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 1223

Divisors of 21421036

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 7 13 14 26 28 49 52 91 98 182 196 343 364 637 686 1201 1274 1372 2402 2548 4459 4804 8407 8918 15613 16814 17836 31226 33628 58849 62452 109291 117698 218582 235396 411943 437164 765037 823886 1530074 1647772 3060148 5355259 10710518 21421036
Sum of all divisors σ(n): 47118400
Sum of proper divisors (its aliquot sum) s(n): 25697364
21421036 is an abundant number, because the sum of its proper divisors (25697364) is greater than itself. Its abundance is 4276328

Bases of 21421036

Binary: 1010001101101101111101100₂
Hexadecimal: 0x146DBEC
Base-36: CR4KS

Squares and roots of 21421036

21421036 squared (21421036²) is 458860783313296
21421036 cubed (21421036³) is 9829273358342312894656
The square root of 21421036 is 4628.2865079855
The cube root of 21421036 is 277.7240503139

Scales and comparisons

How big is 21421036?

21,421,036 seconds is equal to 35 weeks, 2 days, 22 hours, 17 minutes, 16 seconds.
To count from 1 to 21,421,036 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 21421036 cubic inches would be around 23.1 feet tall.

Recreational maths with 21421036

21421036 backwards is 63012412
The number of decimal digits it has is: 8
The sum of 21421036's digits is 19
More coming soon!

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The information we have on file for 21421036 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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