# Evaluate (-8+ square root of -20)/24

Evaluate (-8+ square root of -20)/24
Pull out imaginary unit .
Rewrite as .
Rewrite as .
Rewrite as .
Simplify the numerator.
Rewrite as .
Factor out of .
Rewrite as .
Pull terms out from under the radical.
Move to the left of .
Simplify terms.
Cancel the common factor of and .
Factor out of .
Factor out of .
Factor out of .
Cancel the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Rewrite as .
Factor out of .
Factor out of .
Move the negative in front of the fraction.
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### Name

Name two billion twenty million eight hundred ninety-three thousand nine hundred ninety-eight

### Interesting facts

• 2020893998 has 16 divisors, whose sum is 3197834640
• The reverse of 2020893998 is 8993980202
• Previous prime number is 461

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 50
• Digital Root 5

### Name

Name one billion four hundred thirty-nine million one hundred twenty-three thousand two hundred eighty-one

### Interesting facts

• 1439123281 has 4 divisors, whose sum is 1439291700
• The reverse of 1439123281 is 1823219341
• Previous prime number is 9029

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 34
• Digital Root 7

### Name

Name two billion fifty-one million eight hundred thirty-six thousand seven hundred forty-three

### Interesting facts

• 2051836743 has 32 divisors, whose sum is 2830888960
• The reverse of 2051836743 is 3476381502
• Previous prime number is 79

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 39
• Digital Root 3