What is the unit of trillion?

Mega, zhào. It refers to a very big number, one refers to one million, one refers to one trillion, one refers to one hundred million, and it refers to many. As a unit of quantity, in ancient Chinese, it means one trillion.

The original meaning refers to the cracks that indicate good or bad luck when the ancients burned Oracle Bone Inscriptions during divination, and the extension refers to omens and signs. Later used as a verb to show in advance. In addition, it is also used as a numeral, generally referring to a larger number.

In modern times, millions are symbols. Yan Fu's On China's Resistance and Centrifugal Force: "The land of Wan Li, the land of 400 trillion people."

Extended data

Initially, it came from the cracked hieroglyphics of tortoise shells burned by fire. Because of the similarity between symbols and related glyphs, there is a river image with the same meaning but different sounds. Therefore, in the Western Zhou Dynasty, some ancient Chinese characters (such as Yao characters) were used to refer to omen, but they could not be regarded as the mainstream of the development of omen characters. Because in the Warring States period, only a few characters were written in the form of quotations, and the vast majority of characters were developed on the basis of the Shang Dynasty structure.

Counting units should include an integer part and a decimal part, which are arranged in the following order: Beijing, Gigabit, Hundred megabytes, Ten megabytes, Trillion, Billion, Million, Hundred Thousand, Hundred, Ten, One (1), One tenth, One hundredth, One thousandth, ... The integer part has no maximum value. When writing numbers, if there is a decimal part, use decimal points to separate integers from decimals.

References:

Baidu encyclopedia-trillion