21006814

21,006,814 is an even composite number composed of four prime numbers multiplied together.

What does the number 21006814 look like?

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

21006814 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 21006814:

2 × 61 × 233 × 739

See below for interesting mathematical facts about the number 21006814 from the Numbermatics database.

Names of 21006814

Cardinal: 21006814 can be written as Twenty-one million, six thousand, eight hundred fourteen.

Scientific notation

Scientific notation: 2.1006814 × 10⁷

Factors of 21006814

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 1035

Divisors of 21006814

Number of divisors d(n): 16
Complete list of divisors:
1 2 61 122 233 466 739 1478 14213 28426 45079 90158 172187 344374 10503407 21006814
Sum of all divisors σ(n): 32207760
Sum of proper divisors (its aliquot sum) s(n): 11200946
21006814 is a deficient number, because the sum of its proper divisors (11200946) is less than itself. Its deficiency is 9805868

Bases of 21006814

Binary: 1010000001000100111011110₂
Hexadecimal: 0x14089DE
Base-36: CI8YM

Squares and roots of 21006814

21006814 squared (21006814²) is 441286234430596
21006814 cubed (21006814³) is 9270017847443926081144
The square root of 21006814 is 4583.3191030081
The cube root of 21006814 is 275.9222545845

Scales and comparisons

How big is 21006814?

21,006,814 seconds is equal to 34 weeks, 5 days, 3 hours, 13 minutes, 34 seconds.
To count from 1 to 21,006,814 would take you about sixteen 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 21006814 cubic inches would be around 23 feet tall.

Recreational maths with 21006814

21006814 backwards is 41860012
The number of decimal digits it has is: 8
The sum of 21006814's digits is 22
More coming soon!

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The information we have on file for 21006814 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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