# 121900

## 121,900 is an even composite number composed of four prime numbers multiplied together.

What does the number 121900 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

121900 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

## Prime factorization of 121900:

### 22 × 52 × 23 × 53

(2 × 2 × 5 × 5 × 23 × 53)

See below for interesting mathematical facts about the number 121900 from the Numbermatics database.

### Names of 121900

• Cardinal: 121900 can be written as One hundred twenty-one thousand, nine hundred.

### Scientific notation

• Scientific notation: 1.219 × 105

### Factors of 121900

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 83

### Divisors of 121900

• Number of divisors d(n): 36
• Complete list of divisors:
• Sum of all divisors σ(n): 281232
• Sum of proper divisors (its aliquot sum) s(n): 159332
• 121900 is an abundant number, because the sum of its proper divisors (159332) is greater than itself. Its abundance is 37432

### Bases of 121900

• Binary: 111011100001011002
• Base-36: 2M24

### Squares and roots of 121900

• 121900 squared (1219002) is 14859610000
• 121900 cubed (1219003) is 1811386459000000
• The square root of 121900 is 349.1418050019
• The cube root of 121900 is 49.5832019079

### Scales and comparisons

How big is 121900?
• 121,900 seconds is equal to 1 day, 9 hours, 51 minutes, 40 seconds.
• To count from 1 to 121,900 would take you about nine hours.

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 121900 cubic inches would be around 4.1 feet tall.

### Recreational maths with 121900

• 121900 backwards is 009121
• The number of decimal digits it has is: 6
• The sum of 121900's digits is 13
• More coming soon!