A zhao (兆 in Chinese), chō (兆 in Japanese) or jo(조 in Korean) is equal to \(10^{12}\)[1][2] in Japanese, Chinese and Korean counting system. In English, it is equal to one trillion in the short scale and one billion in the long scale. In Chinese, there was a system called "下數 (xiàshù)" where yi (億) means \(10^{5}\), "zhao" (兆) means \(10^{6}\), and so on,[3] and zhao still means \(10^{6}\) in many cases.
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Indian counting system: Lakh · Crore · Padma · Tallakshana · Ogha · Ababa · Atata · Sogandhika · Uppala · Dvajagravati · Kumuda · Pundarika · Paduma · Kathana · Mahakathana · Asankhyeya · Dvajagranisamani · Vahanaprajnapti · Inga · Kuruta · Sarvanikshepa · Agrasara · Uttaraparamanurajahpravesa · Avatamsaka Sutra · Nirabhilapya nirabhilapya parivarta · Jaghanya Parīta Asaṃkhyāta
Chinese, Japanese and Korean counting system: Wan · Yi · Zhao · Jing · Gai · Zi · Rang · Gou · Jian · Zheng · Zai · Ji · Gougasha · Asougi · Nayuta · Fukashigi · Muryoutaisuu
See also: Template:Googology in Japan