# 28438

## 28,438 is an even composite number composed of three prime numbers multiplied together.

What does the number 28438 look like?

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

28438 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 28438:

### 2 × 59 × 241

See below for interesting mathematical facts about the number 28438 from the Numbermatics database.

### Names of 28438

• Cardinal: 28438 can be written as Twenty-eight thousand, four hundred thirty-eight.

### Scientific notation

• Scientific notation: 2.8438 × 104

### Factors of 28438

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 302

### Divisors of 28438

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 43560
• Sum of proper divisors (its aliquot sum) s(n): 15122
• 28438 is a deficient number, because the sum of its proper divisors (15122) is less than itself. Its deficiency is 13316

### Bases of 28438

• Binary: 1101111000101102
• Base-36: LXY

### Squares and roots of 28438

• 28438 squared (284382) is 808719844
• 28438 cubed (284383) is 22998374923672
• The square root of 28438 is 168.6357020327
• The cube root of 28438 is 30.5234076333

### Scales and comparisons

How big is 28438?
• 28,438 seconds is equal to 7 hours, 53 minutes, 58 seconds.
• To count from 1 to 28,438 would take you about seven 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 28438 cubic inches would be around 2.5 feet tall.

### Recreational maths with 28438

• 28438 backwards is 83482
• The number of decimal digits it has is: 5
• The sum of 28438's digits is 25
• More coming soon!