21231396

21,231,396 is an even composite number composed of three prime numbers multiplied together.

What does the number 21231396 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 54 divisors.

21231396 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of fifty-four divisors.

Prime factorization of 21231396:

2² × 3⁸ × 809

(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 809)

See below for interesting mathematical facts about the number 21231396 from the Numbermatics database.

Names of 21231396

Cardinal: 21231396 can be written as Twenty-one million, two hundred thirty-one thousand, three hundred ninety-six.

Scientific notation

Scientific notation: 2.1231396 × 10⁷

Factors of 21231396

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 11
Sum of prime factors: 814

Divisors of 21231396

Number of divisors d(n): 54
Complete list of divisors:
1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 729 809 972 1458 1618 2187 2427 2916 3236 4374 4854 6561 7281 8748 9708 13122 14562 21843 26244 29124 43686 65529 87372 131058 196587 262116 393174 589761 786348 1179522 1769283 2359044 3538566 5307849 7077132 10615698 21231396
Sum of all divisors σ(n): 55798470
Sum of proper divisors (its aliquot sum) s(n): 34567074
21231396 is an abundant number, because the sum of its proper divisors (34567074) is greater than itself. Its abundance is 13335678

Bases of 21231396

Binary: 1010000111111011100100100₂
Hexadecimal: 0x143F724
Base-36: CN290

Squares and roots of 21231396

21231396 squared (21231396²) is 450772176108816
21231396 cubed (21231396³) is 9570522576748011587136
The square root of 21231396 is 4607.7538996785
The cube root of 21231396 is 276.9020580199

Scales and comparisons

How big is 21231396?

21,231,396 seconds is equal to 35 weeks, 17 hours, 36 minutes, 36 seconds.
To count from 1 to 21,231,396 would take you about four days!

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 21231396 cubic inches would be around 23.1 feet tall.

Recreational maths with 21231396

21231396 backwards is 69313212
21231396 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21231396's digits is 27
More coming soon!

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The information we have on file for 21231396 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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