# 221446720

## 221,446,720 is an even composite number composed of five prime numbers multiplied together.

What does the number 221446720 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 112 divisors.

221446720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.

## Prime factorization of 221446720:

### 26 × 5 × 11 × 53 × 1187

(2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 53 × 1187)

See below for interesting mathematical facts about the number 221446720 from the Numbermatics database.

### Names of 221446720

• Cardinal: 221446720 can be written as Two hundred twenty-one million, four hundred forty-six thousand, seven hundred twenty.

### Scientific notation

• Scientific notation: 2.2144672 × 108

### Factors of 221446720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1258

### Divisors of 221446720

• Number of divisors d(n): 112
• Complete list of divisors:
• Sum of all divisors σ(n): 586605888
• Sum of proper divisors (its aliquot sum) s(n): 365159168
• 221446720 is an abundant number, because the sum of its proper divisors (365159168) is greater than itself. Its abundance is 143712448

### Bases of 221446720

• Binary: 11010011001100000010010000002
• Base-36: 3NUDDS

### Squares and roots of 221446720

• 221446720 squared (2214467202) is 49038649798758400
• 221446720 cubed (2214467203) is 10859448151163707752448000
• The square root of 221446720 is 14881.0859818765
• The cube root of 221446720 is 605.0014525385

### Scales and comparisons

How big is 221446720?
• 221,446,720 seconds is equal to 7 years, 2 weeks, 58 minutes, 40 seconds.
• To count from 1 to 221,446,720 would take you about ten 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 221446720 cubic inches would be around 50.4 feet tall.

### Recreational maths with 221446720

• 221446720 backwards is 027644122
• The number of decimal digits it has is: 9
• The sum of 221446720's digits is 28
• More coming soon!