# 978121

## 978,121 is an odd composite number composed of two prime numbers multiplied together.

What does the number 978121 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 9 divisors.

978121 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of nine divisors.

## Prime factorization of 978121:

### 232 × 432

(23 × 23 × 43 × 43)

See below for interesting mathematical facts about the number 978121 from the Numbermatics database.

### Names of 978121

• Cardinal: 978121 can be written as Nine hundred seventy-eight thousand, one hundred twenty-one.

### Scientific notation

• Scientific notation: 9.78121 × 105

### Factors of 978121

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 66

### Divisors of 978121

• Number of divisors d(n): 9
• Complete list of divisors:
• Sum of all divisors σ(n): 1046829
• Sum of proper divisors (its aliquot sum) s(n): 68708
• 978121 is a deficient number, because the sum of its proper divisors (68708) is less than itself. Its deficiency is 909413

### Bases of 978121

• Binary: 111011101100110010012
• Base-36: KYQ1

### Squares and roots of 978121

• 978121 squared (9781212) is 956720690641
• 978121 cubed (9781213) is 935788598650465561
• 978121 is a perfect square number. Its square root is 989
• The cube root of 978121 is 99.2653156071

### Scales and comparisons

How big is 978121?
• 978,121 seconds is equal to 1 week, 4 days, 7 hours, 42 minutes, 1 second.
• To count from 1 to 978,121 would take you about four 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 978121 cubic inches would be around 8.3 feet tall.

### Recreational maths with 978121

• 978121 backwards is 121879
• The number of decimal digits it has is: 6
• The sum of 978121's digits is 28
• More coming soon!