# 428223

## 428,223 is an odd composite number composed of three prime numbers multiplied together.

What does the number 428223 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

428223 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 428223:

### 3 × 349 × 409

See below for interesting mathematical facts about the number 428223 from the Numbermatics database.

### Names of 428223

• Cardinal: 428223 can be written as Four hundred twenty-eight thousand, two hundred twenty-three.

### Scientific notation

• Scientific notation: 4.28223 × 105

### Factors of 428223

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 761

### Divisors of 428223

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 574000
• Sum of proper divisors (its aliquot sum) s(n): 145777
• 428223 is a deficient number, because the sum of its proper divisors (145777) is less than itself. Its deficiency is 282446

### Bases of 428223

• Binary: 11010001000101111112
• Base-36: 96F3

### Squares and roots of 428223

• 428223 squared (4282232) is 183374937729
• 428223 cubed (4282233) is 78525365959125567
• The square root of 428223 is 654.3874998807
• The cube root of 428223 is 75.3743065977

### Scales and comparisons

How big is 428223?
• 428,223 seconds is equal to 4 days, 22 hours, 57 minutes, 3 seconds.
• To count from 1 to 428,223 would take you about four 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 428223 cubic inches would be around 6.3 feet tall.

### Recreational maths with 428223

• 428223 backwards is 322824
• The number of decimal digits it has is: 6
• The sum of 428223's digits is 21
• More coming soon!