21742407

21,742,407 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21742407 look like?

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

21742407 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 21742407:

3² × 163 × 14821

(3 × 3 × 163 × 14821)

See below for interesting mathematical facts about the number 21742407 from the Numbermatics database.

Names of 21742407

Cardinal: 21742407 can be written as Twenty-one million, seven hundred forty-two thousand, four hundred seven.

Scientific notation

Scientific notation: 2.1742407 × 10⁷

Factors of 21742407

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 14987

Divisors of 21742407

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 163 489 1467 14821 44463 133389 2415823 7247469 21742407
Sum of all divisors σ(n): 31600504
Sum of proper divisors (its aliquot sum) s(n): 9858097
21742407 is a deficient number, because the sum of its proper divisors (9858097) is less than itself. Its deficiency is 11884310

Bases of 21742407

Binary: 1010010111100001101000111₂
Hexadecimal: 0x14BC347
Base-36: CY0JR

Squares and roots of 21742407

21742407 squared (21742407²) is 472732262153649
21742407 cubed (21742407³) is 10278337245775333093143
The square root of 21742407 is 4662.8754004369
The cube root of 21742407 is 279.1060220637

Scales and comparisons

How big is 21742407?

21,742,407 seconds is equal to 35 weeks, 6 days, 15 hours, 33 minutes, 27 seconds.
To count from 1 to 21,742,407 would take you about six days!

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 21742407 cubic inches would be around 23.3 feet tall.

Recreational maths with 21742407

21742407 backwards is 70424712
The number of decimal digits it has is: 8
The sum of 21742407's digits is 27
More coming soon!

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The information we have on file for 21742407 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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