Dictionary

septillion en · NUM

Pronunciation

• /sɛpˈtɪljən/
• (US) audio

Etymology

From French septillion, from sept- (“seven”) + -illion. By surface analysis, sept- + -illion.

Meanings

1. (US, qualifier:modern British & Australian; short scale; modern British & Australian; short scale) A trillion trillion: 1 followed by 24 zeros, 10²⁴.
2. (qualifier:dated British & Australian; long scale; dated British & Australian; long scale) A billion quintillion: 1 followed by 42 zeros, 10⁴².

Forms

Deriveds

septillionfold · septillionaire · septillionth

Relateds

yotta- · Previous: sextillion. Next: octillion. (short and long scale)

Synonyms

1042 (a short scale tredecillion) · 1024 (a long scale quadrillion)

Translations (29)

ja 一秭 (a trillion trillion, 1024 — see also quadrillion) · es septillón (a billion quintillion, 1042 — see also tredecillion) · de Septillion (a billion quintillion, 1042 — see also tredecillion) · hy քառիլիոն (a trillion trillion, 1024 — see also quadrillion) · es septillón (a trillion trillion, 1024 — see also quadrillion) · ja 百正 (a billion quintillion, 1042 — see also tredecillion) · pt septilião (a billion quintillion, 1042 — see also tredecillion) · eo kvariliono (a trillion trillion, 1024 — see also quadrillion) · pl kwadrylion (a trillion trillion, 1024 — see also quadrillion) · eo sepiliono (a billion quintillion, 1042 — see also tredecillion) · cy septiliwn (a trillion trillion, 1024 — see also quadrillion) · ms septilion (a trillion trillion, 1024 — see also quadrillion) · hy սեպտիլիոն (a trillion trillion, 1024 — see also quadrillion) · ru септиллио́н (a trillion trillion, 1024 — see also quadrillion) · fi kvadriljoona (a trillion trillion, 1024 — see also quadrillion) · is kvaðrilljón (a trillion trillion, 1024 — see also quadrillion) · pt septilhão (a trillion trillion, 1024 — see also quadrillion) · pt quadrilião (a trillion trillion, 1024 — see also quadrillion) · it settilione (a billion quintillion, 1042 — see also tredecillion) · pt quatrilião (a trillion trillion, 1024 — see also quadrillion) · sv kvadriljon (a trillion trillion, 1024 — see also quadrillion) · es cuatrillón (a trillion trillion, 1024 — see also quadrillion) · fi septiljoona (a billion quintillion, 1042 — see also tredecillion) · hu kvadrillió (a trillion trillion, 1024 — see also quadrillion) · it quattrilione (a trillion trillion, 1024 — see also quadrillion) · ca quadrilió (a trillion trillion, 1024 — see also quadrillion) · sv septiljon (a billion quintillion, 1042 — see also tredecillion) · de Quadrillion (a trillion trillion, 1024 — see also quadrillion) · fr quatrillion (a trillion trillion, 1024 — see also quadrillion)