This is the 14071st most frequent Turkish word.
milyonların
"Of millions" or "millions'."
In this sentence, 'milyonların' is used in the possessive (genitive) form to indicate 'of millions,' suggesting ownership or association with the hearts.
Milyonların kalbine dokunan bir şarkı ortaya çıkardı.
They created a song that touched the hearts of millions.
Here, 'milyonların' again functions as the possessive form, describing the tears as belonging to millions.
Milyonların gözyaşları sel oldu.
The tears of millions turned into a flood.
'Milyonların' is being used to signify 'of millions,' indicating a possessive relationship with 'aklında' (in the minds).