# 1900

## 1,900 is an even composite number composed of three prime numbers multiplied together.

What does the number 1900 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

1900 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

## Prime factorization of 1900:

### 22 × 52 × 19

(2 × 2 × 5 × 5 × 19)

See below for interesting mathematical facts about the number 1900 from the Numbermatics database.

### Names of 1900

• Cardinal: 1900 can be written as One thousand, nine hundred.

### Scientific notation

• Scientific notation: 1.9 × 103

### Factors of 1900

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 26

### Divisors of 1900

• Number of divisors d(n): 18
• Complete list of divisors:
• Sum of all divisors σ(n): 4340
• Sum of proper divisors (its aliquot sum) s(n): 2440
• 1900 is an abundant number, because the sum of its proper divisors (2440) is greater than itself. Its abundance is 540

### Bases of 1900

• Binary: 111011011002
• Hexadecimal: 0x76C
• Base-36: 1GS

### Squares and roots of 1900

• 1900 squared (19002) is 3610000
• 1900 cubed (19003) is 6859000000
• The square root of 1900 is 43.5889894355
• The cube root of 1900 is 12.3856232963

### Scales and comparisons

How big is 1900?
• 1,900 seconds is equal to 31 minutes, 40 seconds.
• To count from 1 to 1,900 would take you about thirty-one 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 1900 cubic inches would be around 1 feet tall.

### Recreational maths with 1900

• 1900 backwards is 0091
• 1900 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 1900's digits is 10
• More coming soon!

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The information we have on file for 1900 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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