1 to 9 = 9
10 to 99 = 9o x 2 = 180
100 = 3
9 + 180 + 3 = 192
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ten
I am not quite sure what you mean, but numbers that are very large can be written in scientific notation, so that you don't have to write out all the digits. Assuming, of course, that you only need a limited amount of significant digits.
It is: 100,000,000,000,000
4,00,000
234, 243, 324, 342, 423, and 432.