Simplify -9/(2 square root of 45)

Simplify -9/(2 square root of 45)
Simplify the denominator.
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Rewrite as .
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Factor out of .
Rewrite as .
Pull terms out from under the radical.
Multiply by .
Cancel the common factor of and .
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Factor out of .
Cancel the common factors.
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Factor out of .
Cancel the common factor.
Rewrite the expression.
Multiply by .
Combine and simplify the denominator.
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Multiply and .
Move .
Raise to the power of .
Raise to the power of .
Use the power rule to combine exponents.
Add and .
Rewrite as .
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Use to rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
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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 one billion nine hundred eighty-eight million forty thousand eight hundred nineteen

Interesting facts

  • 1988040819 has 8 divisors, whose sum is 2736228352
  • The reverse of 1988040819 is 9180408891
  • Previous prime number is 31

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 10
  • Sum of Digits 48
  • Digital Root 3

Name

Name three hundred ninety-one million seven hundred seventy-two thousand eight hundred nine

Interesting facts

  • 391772809 has 4 divisors, whose sum is 392657616
  • The reverse of 391772809 is 908277193
  • Previous prime number is 443

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 46
  • Digital Root 1

Name

Name seven hundred fifty million eighty-one thousand one hundred ninety-three

Interesting facts

  • 750081193 has 4 divisors, whose sum is 762377668
  • The reverse of 750081193 is 391180057
  • Previous prime number is 61

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 34
  • Digital Root 7