# 3157

## 3,157 is an odd composite number composed of three prime numbers multiplied together.

What does the number 3157 look like?

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

3157 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 3157:

### 7 × 11 × 41

See below for interesting mathematical facts about the number 3157 from the Numbermatics database.

### Names of 3157

• Cardinal: 3157 can be written as Three thousand, one hundred fifty-seven.

### Scientific notation

• Scientific notation: 3.157 × 103

### Factors of 3157

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 59

### Divisors of 3157

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 4032
• Sum of proper divisors (its aliquot sum) s(n): 875
• 3157 is a deficient number, because the sum of its proper divisors (875) is less than itself. Its deficiency is 2282

### Bases of 3157

• Binary: 1100010101012
• Base-36: 2FP

### Squares and roots of 3157

• 3157 squared (31572) is 9966649
• 3157 cubed (31573) is 31464710893
• The square root of 3157 is 56.1871871515
• The cube root of 3157 is 14.6698225533

### Scales and comparisons

How big is 3157?
• 3,157 seconds is equal to 52 minutes, 37 seconds.
• To count from 1 to 3,157 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 3157 cubic inches would be around 1.2 feet tall.

### Recreational maths with 3157

• 3157 backwards is 7513
• The number of decimal digits it has is: 4
• The sum of 3157's digits is 16
• More coming soon!