Understanding 亿
The character 亿 (yì) represents the number 100 million, a crucial unit in Chinese numerals. It is commonly used in contexts involving large quantities such as population, money, or statistics.
Usage in Numbers
亿 is used to express very large numbers, often combined with other numbers to indicate multiples of 100 million. For example, 十亿 means one billion (10 × 100 million).
Common Collocations
- 十亿 (shí yì): one billion
- 五百亿 (wǔbǎi yì): fifty billion
- 超过X亿 (chāoguò X yì): exceed X hundred million
These collocations are frequent in news, finance, and demographic contexts.
Register and Tone
亿 is a formal numeric term and appears in written and spoken Chinese when discussing large numbers. It is neutral in tone and appropriate in both formal and informal contexts.
Avoiding Confusion
Do not confuse 亿 with 万 (wàn, ten thousand) or 千 (qiān, thousand). 亿 is much larger and used for very large quantities. When reading large numbers, note the position of 亿 to understand the scale correctly.