This is the 81st most frequent Russian word.
млн
The Russian word "млн" translates to "million" in English.
Here, "млн" is used as an abbreviation for "миллион" (million) to quantify the population size.
В этом городе проживает около 5 млн человек.
Approximately 5 million people live in this city.
In this sentence, "млн" is employed to denote a multiplicative quantity in measuring distance.
Расстояние до города составляет примерно 1.5 млн километров.
The distance to the city is approximately 1.5 million kilometers.
"млн" is utilized to represent the monetary amount in currencies, specifically rubles in this instance.