Find SP Execution in seconds

SELECT  d.object_id, d.database_id, OBJECT_NAME(object_id, database_id) 'proc name',

    d.cached_time, d.last_execution_time,

       --d.total_elapsed_time,

       CAST((d.total_elapsed_time) / 1000000.0 AS DECIMAL(28,2)) as TotalElapsedtime_Seconds,

    --d.total_elapsed_time/d.execution_count AS [avg_elapsed_time],

       CAST((d.total_elapsed_time) / 1000000.0 AS DECIMAL(28,2))/d.execution_count as [avg_elapsed_time_seconds],

   CAST((d.last_elapsed_time) / 1000000.0 AS DECIMAL(28,2)) as [last_elapsed_time_Seconds] ,

    d.execution_count

FROM sys.dm_exec_procedure_stats AS d

where last_execution_time >='2015-06-02 08:00:21.527'

and d.database_ID = 5

ORDER BY [total_worker_time] DESC;