21742406

21,742,406 is an even composite number composed of four prime numbers multiplied together.

What does the number 21742406 look like?

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

21742406 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 21742406:

2 × 7 × 23 × 67523

See below for interesting mathematical facts about the number 21742406 from the Numbermatics database.

Names of 21742406

Cardinal: 21742406 can be written as Twenty-one million, seven hundred forty-two thousand, four hundred six.

Scientific notation

Scientific notation: 2.1742406 × 10⁷

Factors of 21742406

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 67555

Divisors of 21742406

Number of divisors d(n): 16
Complete list of divisors:
1 2 7 14 23 46 161 322 67523 135046 472661 945322 1553029 3106058 10871203 21742406
Sum of all divisors σ(n): 38893824
Sum of proper divisors (its aliquot sum) s(n): 17151418
21742406 is a deficient number, because the sum of its proper divisors (17151418) is less than itself. Its deficiency is 4590988

Bases of 21742406

Binary: 1010010111100001101000110₂
Hexadecimal: 0x14BC346
Base-36: CY0JQ

Squares and roots of 21742406

21742406 squared (21742406²) is 472732218668836
21742406 cubed (21742406³) is 10278335827578611859416
The square root of 21742406 is 4662.8752932069
The cube root of 21742406 is 279.1060177847

Scales and comparisons

How big is 21742406?

21,742,406 seconds is equal to 35 weeks, 6 days, 15 hours, 33 minutes, 26 seconds.
To count from 1 to 21,742,406 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 21742406 cubic inches would be around 23.3 feet tall.

Recreational maths with 21742406

21742406 backwards is 60424712
The number of decimal digits it has is: 8
The sum of 21742406's digits is 26
More coming soon!

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The information we have on file for 21742406 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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