Last Updated
：2026/01/08
一秭
Hiragana
いっし
Numeral
number
Japanese Meaning
非常に大きな数を表す単位で、10の24乗（1,000,000,000,000,000,000,000,000）を意味する数詞。英語の“septillion”に相当する。
Easy Japanese Meaning
とてもおおきいかずのなまえ。じゅうをにじゅうよんかいかけたすう。
Chinese (Simplified) Meaning
十的二十四次方的数 / 相当于“兆兆”或“万垓”
Chinese (Traditional) Meaning
表示十的二十四次方的數。 / 相當於英語短位制的 septillion；亦即一兆的平方。
Korean Meaning
10의 24제곱을 나타내는 수 / 1 뒤에 0이 24개인 수; 영어의 septillion / 조(10^12)의 제곱
Indonesian
bilangan 10 pangkat 24 / satu septiliun / triliun kali triliun
Vietnamese Meaning
Số 10^24; tương đương septillion trong tiếng Anh. / Một nghìn tỷ nhân một nghìn tỷ. / Một triệu tỉ tỉ.
Tagalog Meaning
bilang na katumbas ng 10^24 / isang septilyon / isang trilyong trilyon
Sense（1）
A trillion trillion, 10²⁴, or a septillion of modern English in modern Japanese since 17th century.
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
A trillion trillion, 10²⁴, or a septillion of modern English in modern Japanese since 17th century.
See correct answer
一秭
See correct answer
This galaxy is more than a trillion trillion away.
See correct answer
この星系は一秭以上離れています。
Japanese - English
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