So about 4 × 10^22 stars in the observable universe, then? A huge number compared to the number of values that can be stored in a 64-bit integer (1.8 × 10^19).

So about 4 × 10^22 stars in the observable universe, then? A huge number compared to the number of values that can be stored in a 64-bit integer (1.8 × 10^19). But a tiny number compared to the number of atoms in a human body (7 × 10^27).