# 20976

## 20,976 is an even composite number composed of four prime numbers multiplied together.

What does the number 20976 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

20976 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

## Prime factorization of 20976:

### 24 × 3 × 19 × 23

(2 × 2 × 2 × 2 × 3 × 19 × 23)

See below for interesting mathematical facts about the number 20976 from the Numbermatics database.

### Names of 20976

• Cardinal: 20976 can be written as Twenty thousand, nine hundred seventy-six.

### Scientific notation

• Scientific notation: 2.0976 × 104

### Factors of 20976

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 47

### Divisors of 20976

• Number of divisors d(n): 40
• Complete list of divisors:
• Sum of all divisors σ(n): 59520
• Sum of proper divisors (its aliquot sum) s(n): 38544
• 20976 is an abundant number, because the sum of its proper divisors (38544) is greater than itself. Its abundance is 17568

### Bases of 20976

• Binary: 1010001111100002
• Base-36: G6O

### Squares and roots of 20976

• 20976 squared (209762) is 439992576
• 20976 cubed (209763) is 9229284274176
• The square root of 20976 is 144.8309359219
• The cube root of 20976 is 27.5787275701

### Scales and comparisons

How big is 20976?
• 20,976 seconds is equal to 5 hours, 49 minutes, 36 seconds.
• To count from 1 to 20,976 would take you about five 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 20976 cubic inches would be around 2.3 feet tall.

### Recreational maths with 20976

• 20976 backwards is 67902
• 20976 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 20976's digits is 24
• More coming soon!