# 198750

## 198,750 is an even composite number composed of four prime numbers multiplied together.

What does the number 198750 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

198750 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

## Prime factorization of 198750:

### 2 × 3 × 54 × 53

(2 × 3 × 5 × 5 × 5 × 5 × 53)

See below for interesting mathematical facts about the number 198750 from the Numbermatics database.

### Names of 198750

• Cardinal: 198750 can be written as One hundred ninety-eight thousand, seven hundred fifty.

### Scientific notation

• Scientific notation: 1.9875 × 105

### Factors of 198750

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 63

### Divisors of 198750

• Number of divisors d(n): 40
• Complete list of divisors:
• Sum of all divisors σ(n): 506088
• Sum of proper divisors (its aliquot sum) s(n): 307338
• 198750 is an abundant number, because the sum of its proper divisors (307338) is greater than itself. Its abundance is 108588

### Bases of 198750

• Binary: 1100001000010111102
• Base-36: 49CU

### Squares and roots of 198750

• 198750 squared (1987502) is 39501562500
• 198750 cubed (1987503) is 7850935546875000
• The square root of 198750 is 445.8138625031
• The cube root of 198750 is 58.3582659859

### Scales and comparisons

How big is 198750?
• 198,750 seconds is equal to 2 days, 7 hours, 12 minutes, 30 seconds.
• To count from 1 to 198,750 would take you about two days.

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 198750 cubic inches would be around 4.9 feet tall.

### Recreational maths with 198750

• 198750 backwards is 057891
• 198750 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 198750's digits is 30
• More coming soon!