Evaluate (-20+ square root of -75)/40

Evaluate (-20+ square root of -75)/40
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 one billion eight hundred twenty-seven million three hundred fifty-two thousand five hundred fifty

Interesting facts

• 1827352550 has 32 divisors, whose sum is 3386665728
• The reverse of 1827352550 is 0552537281
• Previous prime number is 53

Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 38
• Digital Root 2

Name

Name eight hundred fifty-three million nine hundred twenty-eight thousand one hundred eighty-seven

Interesting facts

• 853928187 has 16 divisors, whose sum is 1302282240
• The reverse of 853928187 is 781829358
• Previous prime number is 1279

Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 51
• Digital Root 6

Name

Name two hundred seventy-four million eight hundred thirty-three thousand thirty-one

Interesting facts

• 274833031 has 16 divisors, whose sum is 304197120
• The reverse of 274833031 is 130338472
• Previous prime number is 239

Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 31
• Digital Root 4