The Roman numeral for 190 is CXC.
The number 190 in Roman numerals is CXC
C = 100 and XC = 10 less than 100, which is 90, so CXC = 190.
190 = One hundred and ninty In Roman Numerals 190 = CXC
110,100 in Roman numerals is (C) (X) (C) or CXC with a line over C and X; 1,000 is M
If you mean the equivalent of 190+128 in Roman numerals then it is CCCXVIII = 318 Note that the modern way of notating 190 in Roman numerals is now considered to be CXC but the ancient Romans would have notated the equivalent of 190 in Roman numerls entirely different..
You have already given it in Roman numerals
They are meaningless because they are an invalid arrangement of Roman numerals
cxc
Under today's rules the Roman numerals CMXLVII represent 947.
It is nothing. That is not a roman numeral!
Cxc = c + (c-x) = 100+ (100-10) = 190