Numbers: Jan. 30, 2006

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$150,000 Fee per speech that U.S. Federal Reserve Chairman Alan Greenspan is expected to command after he retires from his post on Jan. 31

$180,100 Greenspan's current annual salary

30 Days of notice that New Orleans officials, under pressure from a lawsuit, agreed to give owners of most Katrina-wrecked houses slated for demolition

5,500 Number of New Orleans homes and businesses on the east bank of the Mississippi that may need to be razed

$1.9 billion Donations pledged at last week's global conference in Beijing to combat the spread of avian flu

149 Confirmed cases worldwide of humans infected by the H5N1 strain of the bird-flu virus; 80 people have died

11.13 sec. Time it took California student Leyan Lo to solve the Rubik's Cube puzzle, breaking the prior record of 11.75 sec.

43 quintillion Number of unique Cube configurations

Sources: Financial Times; Federal Reserve; Bloomberg; World Health Organization; AP (3); rubiks.com