# 1386

## 1,386 is an even composite number composed of four prime numbers multiplied together.

What does the number 1386 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

1386 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

## Prime factorization of 1386:

### 2 × 32 × 7 × 11

(2 × 3 × 3 × 7 × 11)

See below for interesting mathematical facts about the number 1386 from the Numbermatics database.

### Names of 1386

• Cardinal: 1386 can be written as One thousand, three hundred eighty-six.

### Scientific notation

• Scientific notation: 1.386 × 103

### Factors of 1386

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 23

### Divisors of 1386

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 3744
• Sum of proper divisors (its aliquot sum) s(n): 2358
• 1386 is an abundant number, because the sum of its proper divisors (2358) is greater than itself. Its abundance is 972

### Bases of 1386

• Binary: 101011010102
• Base-36: 12I

### Squares and roots of 1386

• 1386 squared (13862) is 1920996
• 1386 cubed (13863) is 2662500456
• The square root of 1386 is 37.2290209379
• The cube root of 1386 is 11.1494747953

### Scales and comparisons

How big is 1386?
• 1,386 seconds is equal to 23 minutes, 6 seconds.
• To count from 1 to 1,386 would take you about twenty-three 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 1386 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1386

• 1386 backwards is 6831
• 1386 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 1386's digits is 18
• More coming soon!