# 5121

## 5,121 is an odd composite number composed of two prime numbers multiplied together.

What does the number 5121 look like?

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

5121 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 5121:

### 32 × 569

(3 × 3 × 569)

See below for interesting mathematical facts about the number 5121 from the Numbermatics database.

### Names of 5121

• Cardinal: 5121 can be written as Five thousand, one hundred twenty-one.

### Scientific notation

• Scientific notation: 5.121 × 103

### Factors of 5121

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 572

### Divisors of 5121

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 7410
• Sum of proper divisors (its aliquot sum) s(n): 2289
• 5121 is a deficient number, because the sum of its proper divisors (2289) is less than itself. Its deficiency is 2832

### Bases of 5121

• Binary: 10100000000012
• Base-36: 3Y9

### Squares and roots of 5121

• 5121 squared (51212) is 26224641
• 5121 cubed (51213) is 134296386561
• The square root of 5121 is 71.5611626513
• The cube root of 5121 is 17.2365995487

### Scales and comparisons

How big is 5121?
• 5,121 seconds is equal to 1 hour, 25 minutes, 21 seconds.
• To count from 1 to 5,121 would take you about twenty-five 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 5121 cubic inches would be around 1.4 feet tall.

### Recreational maths with 5121

• 5121 backwards is 1215
• 5121 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 5121's digits is 9
• More coming soon!