# 1789

## 1,789 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 1789 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

1789 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 1789:

### 1789

See below for interesting mathematical facts about the number 1789 from the Numbermatics database.

### Names of 1789

• Cardinal: 1789 can be written as One thousand, seven hundred eighty-nine.

### Scientific notation

• Scientific notation: 1.789 × 103

### Factors of 1789

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 1789

### Divisors of 1789

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 1790
• Sum of proper divisors (its aliquot sum) s(n): 1
• 1789 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1788

### Bases of 1789

• Binary: 110111111012
• Base-36: 1DP

### Squares and roots of 1789

• 1789 squared (17892) is 3200521
• 1789 cubed (17893) is 5725732069
• The square root of 1789 is 42.2965719651
• The cube root of 1789 is 12.1395740011

### Scales and comparisons

How big is 1789?
• 1,789 seconds is equal to 29 minutes, 49 seconds.
• To count from 1 to 1,789 would take you about twenty-nine 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 1789 cubic inches would be around 1 feet tall.

### Recreational maths with 1789

• 1789 backwards is 9871
• The number of decimal digits it has is: 4
• The sum of 1789's digits is 25
• More coming soon!