<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.tangu 1789, wamarekani 49 wamehudumu kama makamu wa rais, kati yao 41 walishafariki dunia.  <response>: since the office of the united states president was established in 1789, 45 people have served as president. 