21427679

21,427,679 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21427679 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

21427679 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21427679:

7 × 13² × 59 × 307

(7 × 13 × 13 × 59 × 307)

See below for interesting mathematical facts about the number 21427679 from the Numbermatics database.

Names of 21427679

Cardinal: 21427679 can be written as Twenty-one million, four hundred twenty-seven thousand, six hundred seventy-nine.

Scientific notation

Scientific notation: 2.1427679 × 10⁷

Factors of 21427679

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 386

Divisors of 21427679

Number of divisors d(n): 24
Complete list of divisors:
1 7 13 59 91 169 307 413 767 1183 2149 3991 5369 9971 18113 27937 51883 69797 126791 235469 363181 1648283 3061097 21427679
Sum of all divisors σ(n): 27054720
Sum of proper divisors (its aliquot sum) s(n): 5627041
21427679 is a deficient number, because the sum of its proper divisors (5627041) is less than itself. Its deficiency is 15800638

Bases of 21427679

Binary: 1010001101111010111011111₂
Hexadecimal: 0x146F5DF
Base-36: CR9PB

Squares and roots of 21427679

21427679 squared (21427679²) is 459145427327041
21427679 cubed (21427679³) is 9838420831081662567839
The square root of 21427679 is 4629.0041045563
The cube root of 21427679 is 277.7527562113

Scales and comparisons

How big is 21427679?

21,427,679 seconds is equal to 35 weeks, 3 days, 7 minutes, 59 seconds.
To count from 1 to 21,427,679 would take you about eleven minutes!

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 21427679 cubic inches would be around 23.1 feet tall.

Recreational maths with 21427679

21427679 backwards is 97672412
The number of decimal digits it has is: 8
The sum of 21427679's digits is 38
More coming soon!

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The information we have on file for 21427679 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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