# 21807104

## 21,807,104 is an even composite number composed of two prime numbers multiplied together.

What does the number 21807104 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 60 divisors.

21807104 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of sixty divisors.

## Prime factorization of 21807104:

### 214 × 113

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 11 × 11)

See below for interesting mathematical facts about the number 21807104 from the Numbermatics database.

### Names of 21807104

• Cardinal: 21807104 can be written as Twenty-one million, eight hundred seven thousand, one hundred four.

### Scientific notation

• Scientific notation: 2.1807104 × 107

### Factors of 21807104

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 13

### Divisors of 21807104

• Number of divisors d(n): 60
• Complete list of divisors:
• Sum of all divisors σ(n): 47970888
• Sum of proper divisors (its aliquot sum) s(n): 26163784
• 21807104 is an abundant number, because the sum of its proper divisors (26163784) is greater than itself. Its abundance is 4356680

### Bases of 21807104

• Binary: 10100110011000000000000002
• Base-36: CZEGW

### Squares and roots of 21807104

• 21807104 squared (218071042) is 475549784866816
• 21807104 cubed (218071043) is 10370363615768282660864
• The square root of 21807104 is 4669.8077048205
• The cube root of 21807104 is 279.3825851465

### Scales and comparisons

How big is 21807104?
• 21,807,104 seconds is equal to 36 weeks, 9 hours, 31 minutes, 44 seconds.
• To count from 1 to 21,807,104 would take you about two weeks!

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 21807104 cubic inches would be around 23.3 feet tall.

### Recreational maths with 21807104

• 21807104 backwards is 40170812
• The number of decimal digits it has is: 8
• The sum of 21807104's digits is 23
• More coming soon!