21394246

21,394,246 is an even composite number composed of three prime numbers multiplied together.

What does the number 21394246 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

21394246 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 21394246:

2 × 83 × 359²

(2 × 83 × 359 × 359)

See below for interesting mathematical facts about the number 21394246 from the Numbermatics database.

Names of 21394246

Cardinal: 21394246 can be written as Twenty-one million, three hundred ninety-four thousand, two hundred forty-six.

Scientific notation

Scientific notation: 2.1394246 × 10⁷

Factors of 21394246

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 444

Divisors of 21394246

Number of divisors d(n): 12
Complete list of divisors:
1 2 83 166 359 718 29797 59594 128881 257762 10697123 21394246
Sum of all divisors σ(n): 32568732
Sum of proper divisors (its aliquot sum) s(n): 11174486
21394246 is a deficient number, because the sum of its proper divisors (11174486) is less than itself. Its deficiency is 10219760

Bases of 21394246

Binary: 1010001100111001101000110₂
Hexadecimal: 0x1467346
Base-36: CQJWM

Squares and roots of 21394246

21394246 squared (21394246²) is 457713761908516
21394246 cubed (21394246³) is 9792440819856220798936
The square root of 21394246 is 4625.3914428943
The cube root of 21394246 is 277.6082244323

Scales and comparisons

How big is 21394246?

21,394,246 seconds is equal to 35 weeks, 2 days, 14 hours, 50 minutes, 46 seconds.
To count from 1 to 21,394,246 would take you about ten 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 21394246 cubic inches would be around 23.1 feet tall.

Recreational maths with 21394246

21394246 backwards is 64249312
The number of decimal digits it has is: 8
The sum of 21394246's digits is 31
More coming soon!

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The information we have on file for 21394246 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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