That is the Roman numeral.
The Arabic numeral (which is what we use in these modern times) for CCXIX is 219. That is, two hundred nineteen.
C = 100
X = 10
I = 1
IX = 9 (one before ten)
This last one is a Roman numeral trick to count backward from a high number instead of counting forward. If a lower-valued numeral ever comes before a higher-valued numeral, count backward from the higher one.
Once you know that each one means, you can just add them together:
100 + 100 + 10 + 9 = 219.
The Roman numeral XIX the same as 19 in Arabic numerals.
It is: XVIII = 18
The Roman numberal XIX is 19.
XIX = 19.
19
The Roman numeral XIX the same as 19 in Arabic numerals.
It is: XVIII = 18
The Roman numberal XIX is 19.
XIX = 19.
19
(XIX)LXXVI
It is XIX
In todays modern notation of Roman numerals they represent the Hindu-Arabic numerals of 200 and 19 respectively.
Xix iii lxvii
19
Mmm cc xix
14 = xiv 19 = xix