# 1825

## 1,825 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1825 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

1825 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

## Prime factorization of 1825:

### 52 × 73

(5 × 5 × 73)

See below for interesting mathematical facts about the number 1825 from the Numbermatics database.

### Names of 1825

• Cardinal: 1825 can be written as One thousand, eight hundred twenty-five.

### Scientific notation

• Scientific notation: 1.825 × 103

### Factors of 1825

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 78

### Divisors of 1825

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 2294
• Sum of proper divisors (its aliquot sum) s(n): 469
• 1825 is a deficient number, because the sum of its proper divisors (469) is less than itself. Its deficiency is 1356

### Bases of 1825

• Binary: 111001000012
• Base-36: 1EP

### Squares and roots of 1825

• 1825 squared (18252) is 3330625
• 1825 cubed (18253) is 6078390625
• The square root of 1825 is 42.7200187265
• The cube root of 1825 is 12.2204619443

### Scales and comparisons

How big is 1825?
• 1,825 seconds is equal to 30 minutes, 25 seconds.
• To count from 1 to 1,825 would take you about thirty 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 1825 cubic inches would be around 1 feet tall.

### Recreational maths with 1825

• 1825 backwards is 5281
• The number of decimal digits it has is: 4
• The sum of 1825's digits is 16
• More coming soon!