With this information, you can calculate the quantity of seconds 690 minutes is equal to.

¿What is the inverse calculation between 1 second and 690 minutes?

Performing the inverse calculation of the relationship between units, we obtain that 1 second is 2.4154589e-05 times 690 minutes.

Which is the same to say that 690 minutes is 41400 seconds.

Six hundred ninety minutes equals to forty-one thousand four hundred seconds. *Approximation

A second is two times six hundred ninety minutes. *Approximation