Surah Maryam 19:94

لَّقَدْ أَحْصَىٰهُمْ وَعَدَّهُمْ عَدًّا

He has enumerated them and counted them a [full] counting.

Translation: Saheeh International

Tafsir

Verily He knows their number and has counted them precisely and therefore the knowledge of their total number does not elude Him not even the knowledge of one of them.

Excerpt from Tafsir al-Jalalayn, commentary on 19:94, via Quran.com. The reader has the full commentary and 9 more tafsirs.