# 21464772

## 21,464,772 is an even composite number composed of five prime numbers multiplied together.

What does the number 21464772 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

21464772 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

## Prime factorization of 21464772:

### 22 × 3 × 7 × 31 × 8243

(2 × 2 × 3 × 7 × 31 × 8243)

See below for interesting mathematical facts about the number 21464772 from the Numbermatics database.

### Names of 21464772

• Cardinal: 21464772 can be written as Twenty-one million, four hundred sixty-four thousand, seven hundred seventy-two.

### Scientific notation

• Scientific notation: 2.1464772 × 107

### Factors of 21464772

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 8286

### Divisors of 21464772

• Number of divisors d(n): 48
• Complete list of divisors:
• Sum of all divisors σ(n): 59092992
• Sum of proper divisors (its aliquot sum) s(n): 37628220
• 21464772 is an abundant number, because the sum of its proper divisors (37628220) is greater than itself. Its abundance is 16163448

### Bases of 21464772

• Binary: 10100011110000110110001002
• Base-36: CS2BO

### Squares and roots of 21464772

• 21464772 squared (214647722) is 460736437011984
• 21464772 cubed (214647723) is 9889602572554597827648
• The square root of 21464772 is 4633.0089574703
• The cube root of 21464772 is 277.9129344521

### Scales and comparisons

How big is 21464772?
• 21,464,772 seconds is equal to 35 weeks, 3 days, 10 hours, 26 minutes, 12 seconds.
• To count from 1 to 21,464,772 would take you about fifteen hours!

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 21464772 cubic inches would be around 23.2 feet tall.

### Recreational maths with 21464772

• 21464772 backwards is 27746412
• The number of decimal digits it has is: 8
• The sum of 21464772's digits is 33
• More coming soon!