The big numbers in life are:

1, there are 365 days in a year there are 8760 hours 525600 minutes 31536000 seconds; it takes 500 trillion cells to make up a human body.

2. China has a land area of 9.6 million square kilometers (9,600,000,000), and China is the most populous country in the world, with a population of more than 1,300,000,000 (1.3 billion).

3. The longest river in China is the Yangtze River, which is 6,397 (six thousand three hundred and ninety-seven) kilometers long.

4. The largest lake in China is Qinghai Lake, with a circumference of 360 (360) kilometers and an area of 4,500 (4,500) square kilometers.

5. The fastest train in China is the Shanghai Maglev train, which travels at 430 (four hundred and thirty) kilometers per hour.

6. The largest country in the world is Russia, with an area of 17,075,870 (seventeen million, seven hundred and seventy-five thousand, eight hundred and seventy) square kilometers.

Extended information:

The decimals in life are:

1. Liu Xiang won the gold medal at the Athens Olympics in 12.91 seconds.

2, Guo Jingjing Athens Olympic Games in the women's three-meter board diving final with 633.15 points to win the championship.

3. Wang Yifu won again at the Athens Olympics with a total score of 690.0 rings.

4, pi: 3.1415926

5, body temperature: 37.5

6, height: 1.65 meters