Floating Point Number - Binary

Float64 (Double)

0 00101100001 0100111000110100010000010110000101001110001101000100 (example)

Sign	Exponent	Mantissa
0	00101100001	0100111000110100010000010110000101001110001101000100

Sign = (1 bit) 0

Exponent = (11 bits) 00101100001

Mantissa = (52 bits) 0100111000110100010000010110000101001110001101000100

Float64	Maximum	Minimum
Positive	1.7976931348623157 × 10 ^ 308	4.9406564584124654 × 10 ^ −324
Negative	−4.9406564584124654 × 10 ^ −324	−1.7976931348623157 × 10 ^ 308

More info about Float64

Float32 (Float)

0 00101100 00101001110001101000100 (example)

Sign	Exponent	Mantissa
0	00101100	00101001110001101000100

Sign = (1 bit) 0

Exponent = (8 bits) 00101100

Mantissa = (23 bits) 00101001110001101000100

Float64	Maximum	Minimum
Positive	3.4028234664 × 10 ^ 38	1.4012984643 × 10 ^ −45
Negative	−1.4012984643 × 10 ^ −45	−3.4028234664 × 10 ^ 38

More info about Float32