# 820672938

## 820,672,938 is an even composite number composed of three prime numbers multiplied together.

What does the number 820672938 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

820672938 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

## Prime factorization of 820672938:

### 2 × 33 × 15197647

(2 × 3 × 3 × 3 × 15197647)

See below for interesting mathematical facts about the number 820672938 from the Numbermatics database.

### Names of 820672938

• Cardinal: 820672938 can be written as Eight hundred twenty million, six hundred seventy-two thousand, nine hundred thirty-eight.

### Scientific notation

• Scientific notation: 8.20672938 × 108

### Factors of 820672938

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 15197652

### Divisors of 820672938

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 1823717760
• Sum of proper divisors (its aliquot sum) s(n): 1003044822
• 820672938 is an abundant number, because the sum of its proper divisors (1003044822) is greater than itself. Its abundance is 182371884

### Bases of 820672938

• Binary: 1100001110101001111001101010102
• Base-36: DKLVAI

### Squares and roots of 820672938

• 820672938 squared (8206729382) is 673504071165551844
• 820672938 cubed (8206729383) is 552726564838394516206797672
• The square root of 820672938 is 28647.3897240219
• The cube root of 820672938 is 936.2461343165

### Scales and comparisons

How big is 820672938?
• 820,672,938 seconds is equal to 26 years, 4 weeks, 6 days, 12 hours, 42 minutes, 18 seconds.
• To count from 1 to 820,672,938 would take you about thirty-nine 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 820672938 cubic inches would be around 78 feet tall.

### Recreational maths with 820672938

• 820672938 backwards is 839276028
• The number of decimal digits it has is: 9
• The sum of 820672938's digits is 45
• More coming soon!