# 1623

## 1,623 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1623 look like?

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

1623 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 1623:

### 3 × 541

See below for interesting mathematical facts about the number 1623 from the Numbermatics database.

### Names of 1623

• Cardinal: 1623 can be written as One thousand, six hundred twenty-three.

### Scientific notation

• Scientific notation: 1.623 × 103

### Factors of 1623

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 544

### Divisors of 1623

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 2168
• Sum of proper divisors (its aliquot sum) s(n): 545
• 1623 is a deficient number, because the sum of its proper divisors (545) is less than itself. Its deficiency is 1078

### Bases of 1623

• Binary: 110010101112
• Base-36: 193

### Squares and roots of 1623

• 1623 squared (16232) is 2634129
• 1623 cubed (16233) is 4275191367
• The square root of 1623 is 40.2864741569
• The cube root of 1623 is 11.7518482077

### Scales and comparisons

How big is 1623?
• 1,623 seconds is equal to 27 minutes, 3 seconds.
• To count from 1 to 1,623 would take you about twenty-seven 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 1623 cubic inches would be around 1 feet tall.

### Recreational maths with 1623

• 1623 backwards is 3261
• The number of decimal digits it has is: 4
• The sum of 1623's digits is 12
• More coming soon!