# 21138096

## 21,138,096 is an even composite number composed of five prime numbers multiplied together.

What does the number 21138096 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 80 divisors.

21138096 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.

## Prime factorization of 21138096:

### 24 × 3 × 7 × 53 × 1187

(2 × 2 × 2 × 2 × 3 × 7 × 53 × 1187)

See below for interesting mathematical facts about the number 21138096 from the Numbermatics database.

### Names of 21138096

• Cardinal: 21138096 can be written as Twenty-one million, one hundred thirty-eight thousand and ninety-six.

### Scientific notation

• Scientific notation: 2.1138096 × 107

### Factors of 21138096

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1252

### Divisors of 21138096

• Number of divisors d(n): 80
• Complete list of divisors:
• Sum of all divisors σ(n): 63638784
• Sum of proper divisors (its aliquot sum) s(n): 42500688
• 21138096 is an abundant number, because the sum of its proper divisors (42500688) is greater than itself. Its abundance is 21362592

### Bases of 21138096

• Binary: 10100001010001010101100002
• Base-36: CL29C

### Squares and roots of 21138096

• 21138096 squared (211380962) is 446819102505216
• 21138096 cubed (211380963) is 9444905083389096308736
• The square root of 21138096 is 4597.6185139701
• The cube root of 21138096 is 276.4958530139

### Scales and comparisons

How big is 21138096?
• 21,138,096 seconds is equal to 34 weeks, 6 days, 15 hours, 41 minutes, 36 seconds.
• To count from 1 to 21,138,096 would take you about two 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 21138096 cubic inches would be around 23 feet tall.

### Recreational maths with 21138096

• 21138096 backwards is 69083112
• The number of decimal digits it has is: 8
• The sum of 21138096's digits is 30
• More coming soon!