How many Digits i can stored using money, double, float types in PostGres?

i don't know much more aboout postgres, i just want to know that suppose using int we can store 8 digits then same using money types or float types how many digits we can store ??

i have search on internet too and find this : https://www.postgresql.org/docs/9.5/datatype-money.html

And what is range ?? like -92233720368547758.08 to +92233720368547758.07

via Chebli Mohamed