21402693

21,402,693 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21402693 look like?

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

21402693 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 21402693:

3² × 13 × 182929

(3 × 3 × 13 × 182929)

See below for interesting mathematical facts about the number 21402693 from the Numbermatics database.

Names of 21402693

Cardinal: 21402693 can be written as Twenty-one million, four hundred two thousand, six hundred ninety-three.

Scientific notation

Scientific notation: 2.1402693 × 10⁷

Factors of 21402693

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 182945

Divisors of 21402693

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 13 39 117 182929 548787 1646361 2378077 7134231 21402693
Sum of all divisors σ(n): 33293260
Sum of proper divisors (its aliquot sum) s(n): 11890567
21402693 is a deficient number, because the sum of its proper divisors (11890567) is less than itself. Its deficiency is 9512126

Bases of 21402693

Binary: 1010001101001010001000101₂
Hexadecimal: 0x1469445
Base-36: CQQF9

Squares and roots of 21402693

21402693 squared (21402693²) is 458075267652249
21402693 cubed (21402693³) is 9804044324453916106557
The square root of 21402693 is 4626.3044646889
The cube root of 21402693 is 277.6447552533

Scales and comparisons

How big is 21402693?

21,402,693 seconds is equal to 35 weeks, 2 days, 17 hours, 11 minutes, 33 seconds.
To count from 1 to 21,402,693 would take you about thirteen 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 21402693 cubic inches would be around 23.1 feet tall.

Recreational maths with 21402693

21402693 backwards is 39620412
The number of decimal digits it has is: 8
The sum of 21402693's digits is 27
More coming soon!

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The information we have on file for 21402693 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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