# 20418142516

## 20,418,142,516 is an even composite number composed of five prime numbers multiplied together.

What does the number 20418142516 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

20418142516 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

## Prime factorization of 20418142516:

### 22 × 41 × 53 × 1187 × 1979

(2 × 2 × 41 × 53 × 1187 × 1979)

See below for interesting mathematical facts about the number 20418142516 from the Numbermatics database.

### Names of 20418142516

• Cardinal: 20418142516 can be written as Twenty billion, four hundred eighteen million, one hundred forty-two thousand, five hundred sixteen.

### Scientific notation

• Scientific notation: 2.0418142516 × 1010

### Factors of 20418142516

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3262

### Divisors of 20418142516

• Number of divisors d(n): 48
• Complete list of divisors:
• Sum of all divisors σ(n): 37344162240
• Sum of proper divisors (its aliquot sum) s(n): 16926019724
• 20418142516 is a deficient number, because the sum of its proper divisors (16926019724) is less than itself. Its deficiency is 3492122792

### Bases of 20418142516

• Binary: 100110000010000010000100001001101002
• Base-36: 9DOFNLG

### Squares and roots of 20418142516

• 20418142516 squared (204181425162) is 416900543803686810256
• 20418142516 cubed (204181425163) is 8512334718381578018036458444096
• The square root of 20418142516 is 142892.0659658891
• The cube root of 20418142516 is 2733.2041844125

### Scales and comparisons

How big is 20418142516?
• 20,418,142,516 seconds is equal to 649 years, 12 weeks, 2 hours, 15 minutes, 16 seconds.
• To count from 1 to 20,418,142,516 would take you about one thousand, two hundred ninety-eight years!

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 20418142516 cubic inches would be around 227.8 feet tall.

### Recreational maths with 20418142516

• 20418142516 backwards is 61524181402
• The number of decimal digits it has is: 11
• The sum of 20418142516's digits is 34
• More coming soon!