# 9121

## 9,121 is an odd composite number composed of two prime numbers multiplied together.

What does the number 9121 look like?

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

9121 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 9121:

### 7 × 1303

See below for interesting mathematical facts about the number 9121 from the Numbermatics database.

### Names of 9121

• Cardinal: 9121 can be written as Nine thousand, one hundred twenty-one.

### Scientific notation

• Scientific notation: 9.121 × 103

### Factors of 9121

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1310

### Divisors of 9121

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 10432
• Sum of proper divisors (its aliquot sum) s(n): 1311
• 9121 is a deficient number, because the sum of its proper divisors (1311) is less than itself. Its deficiency is 7810

### Bases of 9121

• Binary: 100011101000012
• Base-36: 71D

### Squares and roots of 9121

• 9121 squared (91212) is 83192641
• 9121 cubed (91213) is 758800078561
• The square root of 9121 is 95.5039266209
• The cube root of 9121 is 20.8936421371

### Scales and comparisons

How big is 9121?
• 9,121 seconds is equal to 2 hours, 32 minutes, 1 second.
• To count from 1 to 9,121 would take you about two 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 9121 cubic inches would be around 1.7 feet tall.

### Recreational maths with 9121

• 9121 backwards is 1219
• The number of decimal digits it has is: 4
• The sum of 9121's digits is 13
• More coming soon!