sextillionths

Example:As a reference, the difference is much more significant than a billionth of the total.

Definition:A unit of measurement equivalent to one part in a billion of a given quantity or thing, or one billionth of a whole.

Example:The full amount, not just a fraction, is represented by one, unlike a sextillionth.

Definition:A unit in a whole, which is the opposite of a fraction of a whole.