As character names:

U+1EA9 LATIN SMALL LETTER A WITH CIRCUMFLEX AND HOOK ABOVE character (ẩ)

As raw characters:

ẩ

As a string of HTML entities:

ẩ

Decoder output:

Byte number 1 is decimal 225, hex 0xE1, octal \341, binary 11100001
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 186, hex 0xBA, octal \272, binary 10111010
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 169, hex 0xA9, octal \251, binary 10101001
This is continuation byte 2, expecting 0 more.

U+1EA9	LATIN SMALL LETTER A WITH CIRCUMFLEX AND HOOK ABOVE
	: 00E2 0309