# 121749

## 121,749 is an odd composite number composed of two prime numbers multiplied together.

What does the number 121749 look like?

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

121749 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 121749:

### 3 × 40583

See below for interesting mathematical facts about the number 121749 from the Numbermatics database.

### Names of 121749

• Cardinal: 121749 can be written as One hundred twenty-one thousand, seven hundred forty-nine.

### Scientific notation

• Scientific notation: 1.21749 × 105

### Factors of 121749

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 40586

### Divisors of 121749

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 162336
• Sum of proper divisors (its aliquot sum) s(n): 40587
• 121749 is a deficient number, because the sum of its proper divisors (40587) is less than itself. Its deficiency is 81162

### Bases of 121749

• Binary: 111011011100101012
• Base-36: 2LXX

### Squares and roots of 121749

• 121749 squared (1217492) is 14822819001
• 121749 cubed (1217493) is 1804663390552749
• The square root of 121749 is 348.9254934797
• The cube root of 121749 is 49.5627202097

### Scales and comparisons

How big is 121749?
• 121,749 seconds is equal to 1 day, 9 hours, 49 minutes, 9 seconds.
• To count from 1 to 121,749 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 121749 cubic inches would be around 4.1 feet tall.

### Recreational maths with 121749

• 121749 backwards is 947121
• The number of decimal digits it has is: 6
• The sum of 121749's digits is 24
• More coming soon!