The answer will depend on the country whose dollar you mean. Different countries, that use dollar, have coins of different denominations.
The answer will depend on which country's dollar: there are many countries that use the dollar as a currency and they have different coinage.
62 copper dollar coins
If you mean by using all the coins then none.
Please be more specific. Many U.S. one dollar coins are considered rare.
5 kroner converts to a dollar