# 428750

## 428,750 is an even composite number composed of three prime numbers multiplied together.

What does the number 428750 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 40 divisors.

428750 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty divisors.

## Prime factorization of 428750:

### 2 × 54 × 73

(2 × 5 × 5 × 5 × 5 × 7 × 7 × 7)

See below for interesting mathematical facts about the number 428750 from the Numbermatics database.

### Names of 428750

• Cardinal: 428750 can be written as Four hundred twenty-eight thousand, seven hundred fifty.

### Scientific notation

• Scientific notation: 4.2875 × 105

### Factors of 428750

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 14

### Divisors of 428750

• Number of divisors d(n): 40
• Complete list of divisors:
• Sum of all divisors σ(n): 937200
• Sum of proper divisors (its aliquot sum) s(n): 508450
• 428750 is an abundant number, because the sum of its proper divisors (508450) is greater than itself. Its abundance is 79700

### Bases of 428750

• Binary: 11010001010110011102
• Base-36: 96TQ

### Squares and roots of 428750

• 428750 squared (4287502) is 183826562500
• 428750 cubed (4287503) is 78815638671875000
• The square root of 428750 is 654.7900426855
• The cube root of 428750 is 75.4052141511

### Scales and comparisons

How big is 428750?
• 428,750 seconds is equal to 4 days, 23 hours, 5 minutes, 50 seconds.
• To count from 1 to 428,750 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 428750 cubic inches would be around 6.3 feet tall.

### Recreational maths with 428750

• 428750 backwards is 057824
• The number of decimal digits it has is: 6
• The sum of 428750's digits is 26
• More coming soon!