# 21542080

## 21,542,080 is an even composite number composed of five prime numbers multiplied together.

What does the number 21542080 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 112 divisors.

21542080 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.

## Prime factorization of 21542080:

### 26 × 5 × 7 × 59 × 163

(2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 59 × 163)

See below for interesting mathematical facts about the number 21542080 from the Numbermatics database.

### Names of 21542080

• Cardinal: 21542080 can be written as Twenty-one million, five hundred forty-two thousand and eighty.

### Scientific notation

• Scientific notation: 2.154208 × 107

### Factors of 21542080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 236

### Divisors of 21542080

• Number of divisors d(n): 112
• Complete list of divisors:
• Sum of all divisors σ(n): 59984640
• Sum of proper divisors (its aliquot sum) s(n): 38442560
• 21542080 is an abundant number, because the sum of its proper divisors (38442560) is greater than itself. Its abundance is 16900480

### Bases of 21542080

• Binary: 10100100010110100110000002
• Base-36: CTPZ4

### Squares and roots of 21542080

• 21542080 squared (215420802) is 464061210726400
• 21542080 cubed (215420803) is 9996843726364966912000
• The square root of 21542080 is 4641.3446327547
• The cube root of 21542080 is 278.2461804973

### Scales and comparisons

How big is 21542080?
• 21,542,080 seconds is equal to 35 weeks, 4 days, 7 hours, 54 minutes, 40 seconds.
• To count from 1 to 21,542,080 would take you about two days!

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 21542080 cubic inches would be around 23.2 feet tall.

### Recreational maths with 21542080

• 21542080 backwards is 08024512
• The number of decimal digits it has is: 8
• The sum of 21542080's digits is 22
• More coming soon!