There are more ways to arrange a deck of cards than atoms on Earth

boing
50

Let’s pretend that your couch is made out of only carbon atoms.

Each carbon atom weighs 0.00000000000000000000001994 grams. Your couch probably weighs 500 Kg. So 500000g / (1.994 x 10^-23)g = 2.5 * 10^28 atoms.

So there are

25,000,000,000,000,000,000,000,000,000 atoms in your couch, compared to
80,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 atoms in the world.
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