It's about 0.000000009 times as heavy as The Great Pyramid of Giza
In other words, 0.0000000540 megatonnes is 0.00000000920 times the weight of The Great Pyramid of Giza, and the weight of The Great Pyramid of Giza is 110,000,000 times that amount.(a.k.a. Pyramid of Khufu, a.k.a. Pyramid of Cheops) (Cairo, Egypt)
The Great Pyramid of Giza has an estimated mass of 5.90 megatonnes. The 2,300,000 stones used in the construction of the pyramid weighed an average 0.00000230 megatonnes and were quarried from distances of up to 805 km (500 mi) away.
It's about 200,000,000 times as heavy as a Poppy Seed
In other words, 0.0000000540 megatonnes is 180,000,000 times the weight of a Poppy Seed, and the weight of a Poppy Seed is 0.00000000560 times that amount.(Papaver somniferum)
Fifty percent oil by weight, a poppy seed weighs approximately 0.000000000000000300 megatonnes. The true pigment of a poppy seed is brown in color, while the characteristic bluish color is an optical illusion caused by a layer of calcium oxalate crystals refracting light rays.
It's about 900,000,000 times as heavy as a Grain of Salt
In other words, 0.0000000540 megatonnes is 923,000,000 times the weight of a Grain of Salt, and the weight of a Grain of Salt is 0.000000001080 times that amount.The mass of a grain of salt is approximately 0.00000000000000005850 megatonnes. Salt consumption varies widely by country; the people of the United States consume a combined total of about 0.057 megatonnes of salt each year.
It's about 0.00000000000000000000000000003 times as heavy as The Sun
In other words, 0.0000000540 megatonnes is 0.0000000000000000000000000000270 times the weight of The Sun, and the weight of The Sun is 36,999,999,999,999,999,117,250,002,944.0000000000000000000000000000000 times that amount.The sun has a mass of 1,999,999,999,999,999,966,445,568.000000000000000000000000000 megatonnes which represents 99.9% of the solar system's total mass. 98.7% of the sun's mass consists of hydrogen and helium — respectively the lightest and second-lightest elements in the universe.
It's about 0.000000000000000000000009 times as heavy as The Earth
In other words, 0.0000000540 megatonnes is 0.00000000000000000000000903980 times the weight of The Earth, and the weight of The Earth is 110,620,000,000,000,001,048,576.00000000000000000000000000000 times that amount.The mass of the planet Earth is 5,973,600,000,000,000.000000000000000000000 megatonnes. The element iron makes up about 32% of that mass, or 1,917,500,000,000,000.000000000000000000000 megatonnes.