21429746

21,429,746 is an even composite number composed of four prime numbers multiplied together.

What does the number 21429746 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

21429746 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21429746:

2 × 13 × 107 × 7703

See below for interesting mathematical facts about the number 21429746 from the Numbermatics database.

Names of 21429746

Cardinal: 21429746 can be written as Twenty-one million, four hundred twenty-nine thousand, seven hundred forty-six.

Scientific notation

Scientific notation: 2.1429746 × 10⁷

Factors of 21429746

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 7825

Divisors of 21429746

Number of divisors d(n): 16
Complete list of divisors:
1 2 13 26 107 214 1391 2782 7703 15406 100139 200278 824221 1648442 10714873 21429746
Sum of all divisors σ(n): 34945344
Sum of proper divisors (its aliquot sum) s(n): 13515598
21429746 is a deficient number, because the sum of its proper divisors (13515598) is less than itself. Its deficiency is 7914148

Bases of 21429746

Binary: 1010001101111110111110010₂
Hexadecimal: 0x146FDF2
Base-36: CRBAQ

Squares and roots of 21429746

21429746 squared (21429746²) is 459234013624516
21429746 cubed (21429746³) is 9841268266533917252936
The square root of 21429746 is 4629.2273653387
The cube root of 21429746 is 277.7616869731

Scales and comparisons

How big is 21429746?

21,429,746 seconds is equal to 35 weeks, 3 days, 42 minutes, 26 seconds.
To count from 1 to 21,429,746 would take you about three minutes!

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 21429746 cubic inches would be around 23.1 feet tall.

Recreational maths with 21429746

21429746 backwards is 64792412
The number of decimal digits it has is: 8
The sum of 21429746's digits is 35
More coming soon!

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The information we have on file for 21429746 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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