21420695

21,420,695 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21420695 look like?

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

21420695 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21420695:

5 × 19 × 463 × 487

See below for interesting mathematical facts about the number 21420695 from the Numbermatics database.

Names of 21420695

Cardinal: 21420695 can be written as Twenty-one million, four hundred twenty thousand, six hundred ninety-five.

Scientific notation

Scientific notation: 2.1420695 × 10⁷

Factors of 21420695

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 974

Divisors of 21420695

Number of divisors d(n): 16
Complete list of divisors:
1 5 19 95 463 487 2315 2435 8797 9253 43985 46265 225481 1127405 4284139 21420695
Sum of all divisors σ(n): 27171840
Sum of proper divisors (its aliquot sum) s(n): 5751145
21420695 is a deficient number, because the sum of its proper divisors (5751145) is less than itself. Its deficiency is 15669550

Bases of 21420695

Binary: 1010001101101101010010111₂
Hexadecimal: 0x146DA97
Base-36: CR4BB

Squares and roots of 21420695

21420695 squared (21420695²) is 458846174283025
21420695 cubed (21420695³) is 9828803951233522202375
The square root of 21420695 is 4628.2496691513
The cube root of 21420695 is 277.7225766163

Scales and comparisons

How big is 21420695?

21,420,695 seconds is equal to 35 weeks, 2 days, 22 hours, 11 minutes, 35 seconds.
To count from 1 to 21,420,695 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 21420695 cubic inches would be around 23.1 feet tall.

Recreational maths with 21420695

21420695 backwards is 59602412
The number of decimal digits it has is: 8
The sum of 21420695's digits is 29
More coming soon!

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The information we have on file for 21420695 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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