# Simplify -9/(2 square root of 45)

Simplify -9/(2 square root of 45)
Simplify the denominator.
Rewrite as .
Factor out of .
Rewrite as .
Pull terms out from under the radical.
Multiply by .
Cancel the common factor of and .
Factor out of .
Cancel the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Multiply by .
Combine and simplify the denominator.
Multiply and .
Move .
Raise to the power of .
Raise to the power of .
Use the power rule to combine exponents.
Rewrite as .
Use to rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
Cancel the common factor.
Rewrite the expression.
Evaluate the exponent.
Multiply by .
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
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### Name

Name six hundred sixty-five million seven hundred sixty-five thousand four hundred forty-nine

### Interesting facts

• 665765449 has 8 divisors, whose sum is 677131488
• The reverse of 665765449 is 944567566
• Previous prime number is 131

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 52
• Digital Root 7

### Name

Name one billion nine hundred ninety-seven million nine hundred ninety thousand sixty-three

### Interesting facts

• 1997990063 has 4 divisors, whose sum is 2002093200
• The reverse of 1997990063 is 3600997991
• Previous prime number is 487

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 53
• Digital Root 8

### Name

Name five hundred thirty-one million one hundred sixty-six thousand eight hundred seventy-eight

### Interesting facts

• 531166878 has 32 divisors, whose sum is 1105404192
• The reverse of 531166878 is 878661135
• Previous prime number is 101

### Basic properties

• Is Prime? no
• Number parity even
• Number length 9
• Sum of Digits 45
• Digital Root 9