190 (tiro)
Ka Halbeeg, ensaykloobediyada furan · In English
47 luqadood
190 waa tiro dabiici ah (natural number) oo ku xigta 189 kana horreysa 191. Waa tiro dhiman (even) oo aan koob-ahayn (composite), taas oo la micno ah in ay leedahay qaybiyeyaal ka badan 1 iyo naftooda.
Xisaabta tobanle-ah waxay ka kooban tahay saddex god: 1, 9 iyo 0. Tirooyinka Roomaanka waxaa lagu qoraa CXC.
Sifooyinka xisaabeed
190 waxaa la kala furi karaa saamiyada koowaad (prime factorization) sidan: 2 × 5 × 19. Qaybiyeyaasheedu waa 1, 2, 5, 10, 19, 38, 95 iyo 190 — siddeed qaybiye oo dhan. Wadarta qaybiyeyaasha oo dhan waa 360.
190 waa tiro saddex-xagalle ah (triangular number). Waa wadarta tirooyinka 1 ilaa 19: 19 × 20 ÷ 2 = 190. Sidoo kale waa tiro lix-xagalle ah (hexagonal number), maadaama 10 × (2×10 − 1) = 190. Tirooyinka lix-xagalle ah dhammaantood waa saddex-xagalle.
Maadaama uu yahay tiro saddex-xagalle, 190 waxa uu matalaa tirada lammaanayaasha suurtogalka ah ee laga sameyn karo 20 shay marka labo-labo la kala qaado (isku-darka 20 oo 2 ah, C(20,2) = 190).
Sida kale loo isticmaalo
Tirada 190 waxay ka soo baxdaa nidaamyo kala duwan oo tiro-lambar ah, sida lambarrada wadooyinka, sanadaha jadwalka Miilaadiga (sanadka 190 CE), iyo tirinta xubnaha ururrada. Isticmaalladaas midkoodna kama beddelayo sifooyinka xisaabeed ee tirada.