quadrillionth

The ordinal number matching the number quadrillion in a series.

One of a quadrillion equal parts.

Being one of a quadrillion.

One of a quadrillion parts; the quotient of unity divided by a quadrillion.

The ordinal form of the number one quadrillion.

The person or thing in the quadrillionth position.

One of a quadrillion equal parts of a whole

one part in a quadrillion equal parts

the ordinal number of one quadrillion in counting order