# 4561

## 4,561 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 4561 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

4561 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 4561:

### 4561

See below for interesting mathematical facts about the number 4561 from the Numbermatics database.

### Names of 4561

• Cardinal: 4561 can be written as Four thousand, five hundred sixty-one.

### Scientific notation

• Scientific notation: 4.561 × 103

### Factors of 4561

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 4561

### Divisors of 4561

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 4562
• Sum of proper divisors (its aliquot sum) s(n): 1
• 4561 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 4560

### Bases of 4561

• Binary: 10001110100012
• Base-36: 3IP

### Squares and roots of 4561

• 4561 squared (45612) is 20802721
• 4561 cubed (45613) is 94881210481
• The square root of 4561 is 67.5351760197
• The cube root of 4561 is 16.5839007799

### Scales and comparisons

How big is 4561?
• 4,561 seconds is equal to 1 hour, 16 minutes, 1 second.
• To count from 1 to 4,561 would take you about sixteen 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 4561 cubic inches would be around 1.4 feet tall.

### Recreational maths with 4561

• 4561 backwards is 1654
• The number of decimal digits it has is: 4
• The sum of 4561's digits is 16
• More coming soon!