FedEx Ground and Express tracking numbers can be between 12 and 14 digits. Prior to January 2013, Ground tracking numbers were up to 15 digits and Express numbers were up to 12 digits.
The average heart beats 80-100 beats per minute at rest. Therefore in a year it would be 42,048,000 - 52,560,000 just at rest. That amount would be increased depending on the amount of exercise that person does. The average heart beats 80-100 beats per minute at rest. Therefore in a year it would be 42,048,000 - 52,560,000 just at rest.
Use our easy calculator below to calculate, on average, how many times your heart has beat in your lifetime so far. The number of heart beats in a lifetime of a 75 year old human with an average heart rate of 70 beats per minutes, is an astounding two and three quarter billion beats! The number of heart beats in a persons lifetime differs for each person as much heights do. Heart beat rates also vary by activity. When sleeping your heat beat slows, and when you exercise or feel scared your heart beat speeds up to get blood around faster.