# 3128

## 3,128 is an even composite number composed of three prime numbers multiplied together.

What does the number 3128 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

3128 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

## Prime factorization of 3128:

### 23 × 17 × 23

(2 × 2 × 2 × 17 × 23)

See below for interesting mathematical facts about the number 3128 from the Numbermatics database.

### Names of 3128

• Cardinal: 3128 can be written as Three thousand, one hundred twenty-eight.

### Scientific notation

• Scientific notation: 3.128 × 103

### Factors of 3128

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 42

### Divisors of 3128

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 6480
• Sum of proper divisors (its aliquot sum) s(n): 3352
• 3128 is an abundant number, because the sum of its proper divisors (3352) is greater than itself. Its abundance is 224

### Bases of 3128

• Binary: 1100001110002
• Base-36: 2EW

### Squares and roots of 3128

• 3128 squared (31282) is 9784384
• 3128 cubed (31283) is 30605553152
• The square root of 3128 is 55.9285258163
• The cube root of 3128 is 14.6247656231

### Scales and comparisons

How big is 3128?
• 3,128 seconds is equal to 52 minutes, 8 seconds.
• To count from 1 to 3,128 would take you about fifty-two minutes.

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 3128 cubic inches would be around 1.2 feet tall.

### Recreational maths with 3128

• 3128 backwards is 8213
• The number of decimal digits it has is: 4
• The sum of 3128's digits is 14
• More coming soon!