The PDF is 1892715 bytes = 1.892715 MB. I rounded to two significant digits, giving 1.9 MB.
When Gutenberg says 1.8 MB they probably actually mean 1.8 MiB. 1892715 bytes = 1.80503368377685546875 MiB, or 1.8 MiB to two significant digits.
The PDF is 1892715 bytes = 1.892715 MB. I rounded to two significant digits, giving 1.9 MB.
When Gutenberg says 1.8 MB they probably actually mean 1.8 MiB. 1892715 bytes = 1.80503368377685546875 MiB, or 1.8 MiB to two significant digits.