code: public static int latitudeToTileYWithScaleFactor(double latitude, double scaleFactor) {
          return pixelYToTileYWithScaleFactor(latitudeToPixelYWithScaleFactor(latitude, scaleFactor, DUMMY_TILE_SIZE), scaleFactor, DUMMY_TILE_SIZE);
      }
docs: Converts a latitude coordinate (in degrees) to a tile Y number at a certain scale.
  
  @param latitude    the latitude coordinate that should be converted.
  @param scaleFactor the scale factor at which the coordinate should be converted.
  @return the tile Y number of the latitude value.