# 21042351724

## 21,042,351,724 is an even composite number composed of three prime numbers multiplied together.

What does the number 21042351724 look like?

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

21042351724 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 21042351724:

### 22 × 19 × 276873049

(2 × 2 × 19 × 276873049)

See below for interesting mathematical facts about the number 21042351724 from the Numbermatics database.

### Names of 21042351724

• Cardinal: 21042351724 can be written as Twenty-one billion, forty-two million, three hundred fifty-one thousand, seven hundred twenty-four.

### Scientific notation

• Scientific notation: 2.1042351724 × 1010

### Factors of 21042351724

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 276873070

### Divisors of 21042351724

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 38762227000
• Sum of proper divisors (its aliquot sum) s(n): 17719875276
• 21042351724 is a deficient number, because the sum of its proper divisors (17719875276) is less than itself. Its deficiency is 3322476448

### Bases of 21042351724

• Binary: 100111001100011100011001110011011002
• Base-36: 9O02MI4

### Squares and roots of 21042351724

• 21042351724 squared (210423517242) is 442780566076525772176
• 21042351724 cubed (210423517243) is 9317144407934077998078084831424
• The square root of 21042351724 is 145059.8211911211
• The cube root of 21042351724 is 2760.7776166035

### Scales and comparisons

How big is 21042351724?
• 21,042,351,724 seconds is equal to 669 years, 4 weeks, 1 day, 17 hours, 42 minutes, 4 seconds.
• To count from 1 to 21,042,351,724 would take you about one thousand, three hundred thirty-eight years!

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 21042351724 cubic inches would be around 230.1 feet tall.

### Recreational maths with 21042351724

• 21042351724 backwards is 42715324012
• The number of decimal digits it has is: 11
• The sum of 21042351724's digits is 31
• More coming soon!

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The information we have on file for 21042351724 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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