Swelling and pain: While these are not specific, swelling and pain of the thigh or of the calf can be signs and symptoms of deep vein clots of the thighs. Blood clots of the arteries in the thighs would cause a cold, painful, and numb foot and calf.
1 One billion is a 1 with nine zeros after it, denoted by 1,000,000,000. 2  One billion seconds is about 31 and a half years. 3  One billion pennies stacked on top of each other would make a tower almost 870 miles high.4  If you earn $45,000 a year, it would take 22,000 years to amass a fortune of one billion dollars.illions. Next up is one billion: 1  One billion is a thousand millions. 2  One billion is a 1 with nine zeros after it, denoted by 1,000,000,000. 3  One billion seconds is about 31 and a half years.
Working out how big these numbers are is made harder because, traditionally, the United States and the United Kingdom meant different amounts when each one talked about a billion. The old UK meaning of a billion was a million million, or one followed by twelve noughts (1,000,000,000,000).The USA meaning of a billion is a thousand million, or one followed by nine noughts (1,000,000,000).he UK government has been using the American meaning of billion since 1974 for the numbers it gives out. Even the smaller American billion is a huge number, and hard to imagine, so we have tried to find a way to show how big it is using some every day objects. The object we chose was a cheesy wotsit.