If you counted 1 number per second, it would take 220 years to count to 7 billion.
If you counted 1 number per second, it would take at least 220 years to count to 6.9 billion.
Probably 6
Assuming it takes about 1 second to count each dollar, it would take one billion seconds, or about 31 years and 8 months.
1 billion seconds / 3600 / 24 / 365.2422 = 31.69 years
31.688 years.
One Billion!
If you counted 1 number per second, it would take 63 years to count to 2 billion.
Oh, dude, let me break it down for you. If you were counting one number per second, without breaks or sleep, it would take you around 3,170 years to count to 100 billion. So, like, make sure you have plenty of snacks and maybe a good book to keep you entertained during that time.
If you counted 1 number per second, it would take 220 years to count to 7 billion.
If you counted 1 number per second, it would take at least 220 years to count to 6.9 billion.
Probably 6
Approx. 9 billion years.
By 2050 we should reach around 9.1 billion people.
Assuming it takes about 1 second to count each dollar, it would take one billion seconds, or about 31 years and 8 months.
The sun i approximately 4.57 billion years old and it burned half it's fuel. So it will take approximately another 4.5 billion years for it to run out of fuel completely.
1 billion years