NET
16 And I will make your descendants like the dust of the earth, so that if anyone is able to count the dust of the earth, then your descendants also can be counted.
Darby
16 And I will make thy seed as the dust of the earth, so that if any one can number the dust of the earth, thy seed also will be numbered.
KJV
16 And I will make thy seed as the dust of the earth: so that if a man can number the dust of the earth, [then] shall thy seed also be numbered.