List of kings of Akkad
The order of the kings of Akkad is known from the Sumerian King List. Your absolute dating depends on how one sets the reign of Hammurabi; in this article are two different chronologies in use: the short and the mean chronology.
Dating
Previously it was assumed that Rimus, the younger brother, first ruled. An elderly king list, which was published circa 2003, makes a reverse order very likely. The mention of, among Rimus introduced, exact numbers of those killed and prisoners of Naram -Sin also suggest, since under such Maništušu mentions missing. The dates of the reigns of wear of the new knowledge into account (see itemization Selz )