It's about 15,000 times as heavy as a Human Brain
In other words, 541.10 firkins is 16,400 times the weight of a Human Brain, and the weight of a Human Brain is 0.000061 times that amount.(adult)
The average weight of an adult human brain is between 0.0331 firkins. In humans and primates, sight and vision utilize about 30 different parts of the brain which together account for about half of the brain's size.
It's about 20,000 times as heavy as a liter of Water
In other words, 541.10 firkins is 22,088.88 times the weight of a liter of Water, and the weight of a liter of Water is 0.00004527165 times that amount.(fresh; 4° C / 39.2° F; maximum density)
Contrary to popular belief, 1 liter (0.0.264172052358148 gal) of water at 4° C / 39.2° F (its point of maximum density) weighs 0.02449649 firkins rather than 1 kg exactly. The total volume of water on the planet Earth is about 13,590,000,000,000,000,000 (13.59 quntillion) L (3,590,000,000,000,000,000 gallons).
It's about 35,000 times as heavy as a Basketball
In other words, 541.10 firkins is 35,417.454545 times the weight of a Basketball, and the weight of a Basketball is 0.00002823466601 times that amount.(NBA official ball standards, Size 7)
A regulation NBA basketball, manufactured by Spalding, is known as a Size 7 ball and weighs 0.015277777778 firkins. These balls have 4,118 pebbles each with a diameter of 2.5 mm
It's about one-thirty-five-thousandth as heavy as The Golden Gate Bridge
In other words, 541.10 firkins is 0.0000274 times the weight of The Golden Gate Bridge, and the weight of The Golden Gate Bridge is 36,500 times that amount.(San Francisco, California and Marin County, California) (Post 1986 weight reduction; total weight of bridge, anchorage, and approaches)
Following the completion of the 1986 project to eliminate excess material, the total weight of the Golden Gate Bridge — including its anchorages and approaches — is 19,700,000 firkins. The two main cables in the spanning the bridge are spun out of a total of 129,000 km (80,200 mi) of wire.
It's about 50,000 times as heavy as a Football (Soccer)
In other words, 541.10 firkins is 51,000 times the weight of a Football (Soccer), and the weight of a Football (Soccer) is 0.000020 times that amount.(a.k.a. Soccer, a.k.a. Association Football) (FIFA Law 2 specification)
According to FIFA's Law of the Game number 2, a football must weigh between 0.01 firkins and 0.011 firkins. An artifact on display at the Smith Art Gallery in Museum in Stirling, Scotland is said to be the world's oldest football and is about one-third to one-half the size of a modern football.
It's about 55,000 times as heavy as a Football (American)
In other words, 541.10 firkins is 53,736.82758621 times the weight of a Football (American), and the weight of a Football (American) is 0.00001860921168812 times that amount.(a.k.a. "pigskin") (NFL standard)
Per National Football League official rules, an American football must weigh between 0.009722222222222 firkins and 0.01041666666667 firkins. Because of NFL regulations, ceremonial considerations, and backup requirements, each NFL Superbowl requires the manufacture of 144 balls exclusively for the event.
It's about 65,000 times as heavy as a Can of Soup
In other words, 541.10 firkins is 63,000 times the weight of a Can of Soup, and the weight of a Can of Soup is 0.000016 times that amount.(for Campbell''s Condensed Tomato Soup, 317.9 ml)
A can of Campbell''s Tomato Soup weighs 0.0086 firkins. Cans have been used to store soup and other foods since their invention in 1913, but a dedicated can opener was not developed until cans began to use thinner materials — prior to that time, cans were usually opened using various blunt instruments and tools.