# 1393

## 1,393 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1393 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

1393 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 1393:

### 7 × 199

See below for interesting mathematical facts about the number 1393 from the Numbermatics database.

### Names of 1393

• Cardinal: 1393 can be written as One thousand, three hundred ninety-three.

### Scientific notation

• Scientific notation: 1.393 × 103

### Factors of 1393

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 206

### Divisors of 1393

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 1600
• Sum of proper divisors (its aliquot sum) s(n): 207
• 1393 is a deficient number, because the sum of its proper divisors (207) is less than itself. Its deficiency is 1186

### Bases of 1393

• Binary: 101011100012
• Base-36: 12P

### Squares and roots of 1393

• 1393 squared (13932) is 1940449
• 1393 cubed (13933) is 2703045457
• The square root of 1393 is 37.3229152131
• The cube root of 1393 is 11.1682134439

### Scales and comparisons

How big is 1393?
• 1,393 seconds is equal to 23 minutes, 13 seconds.
• To count from 1 to 1,393 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 1393 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1393

• 1393 backwards is 3931
• The number of decimal digits it has is: 4
• The sum of 1393's digits is 16
• More coming soon!