# 221500

## 221,500 is an even composite number composed of three prime numbers multiplied together.

What does the number 221500 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

221500 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

## Prime factorization of 221500:

### 22 × 53 × 443

(2 × 2 × 5 × 5 × 5 × 443)

See below for interesting mathematical facts about the number 221500 from the Numbermatics database.

### Names of 221500

• Cardinal: 221500 can be written as Two hundred twenty-one thousand, five hundred.

### Scientific notation

• Scientific notation: 2.215 × 105

### Factors of 221500

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 450

### Divisors of 221500

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 484848
• Sum of proper divisors (its aliquot sum) s(n): 263348
• 221500 is an abundant number, because the sum of its proper divisors (263348) is greater than itself. Its abundance is 41848

### Bases of 221500

• Binary: 1101100001001111002
• Base-36: 4QWS

### Squares and roots of 221500

• 221500 squared (2215002) is 49062250000
• 221500 cubed (2215003) is 10867288375000000
• The square root of 221500 is 470.6378650301
• The cube root of 221500 is 60.5049969691

### Scales and comparisons

How big is 221500?
• 221,500 seconds is equal to 2 days, 13 hours, 31 minutes, 40 seconds.
• To count from 1 to 221,500 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 221500 cubic inches would be around 5 feet tall.

### Recreational maths with 221500

• 221500 backwards is 005122
• 221500 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 221500's digits is 10
• More coming soon!