As character names:

U+2299 CIRCLED DOT OPERATOR character (⊙)

As raw characters:

⊙

As a string of HTML entities:

⊙

Decoder output:

Byte number 1 is decimal 226, hex 0xE2, octal \342, binary 11100010
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 138, hex 0x8A, octal \212, binary 10001010
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 153, hex 0x99, octal \231, binary 10011001
This is continuation byte 2, expecting 0 more.

U+2299	CIRCLED DOT OPERATOR
	= direct product
	= vector pointing out of page
	x (latin letter bilabial click - 0298)
	x (sun - 2609)
	x (n-ary circled dot operator - 2A00)