It's about 3,000 times as heavy as a Grizzly Bear
In other words, 1,590,000 kilograms is 3,050 times the weight of a Grizzly Bear, and the weight of a Grizzly Bear is 0.000328 times that amount.(a.k.a. brown bear, a.k.a. silver bear, Ursus arctos horribilis) (Adult, male, coastal area population average)
An adult, male grizzly bear from a coastal area (where food is plentiful) can weigh up to 521 kg. In spite of their tremendous size, grizzly bears can run at speeds of up to 55 kph (34 mph).
It's about 3,000 times as heavy as a Polar Bear
In other words, 1,590,000 kilograms is 3,080 times the weight of a Polar Bear, and the weight of a Polar Bear is 0.000325 times that amount.(Ursus maritimus) (adult, male)
An adult, male polar bear weighs between 352 and 680 kg. Polar bears are so heavily insulated by their 9.9 cm (3.9 in) layer of blubber that they are often difficult to detect using infrared photography sensors.
It's about 3,500 times as heavy as a Grand Piano
It's about one-three-thousand-five-hundredth as heavy as The Great Pyramid of Giza
In other words, the weight of The Great Pyramid of Giza is 3,700 times 1,590,000 kilograms.(a.k.a. Pyramid of Khufu, a.k.a. Pyramid of Cheops) (Cairo, Egypt)
The Great Pyramid of Giza has an estimated mass of 5,900,000,000 kilograms. The 2,300,000 stones used in the construction of the pyramid weighed an average 2,300 kilograms and were quarried from distances of up to 805 km (500 mi) away.
It's about 4,000 times as heavy as a Horse
In other words, 1,590,000 kilograms is 3,800 times the weight of a Horse, and the weight of a Horse is 0.00026 times that amount.(Equus ferus caballus) (Arabian, adult)
n Arabian riding horse (or similar breed) weighs between 380 and 450 kg. During races, horses must carry jockeys and their equipment, which in the Kentucky Derby, for example, can weigh up to 54.4 kg.
It's about 6,500 times as heavy as a Pig
In other words, the weight of a Pig is 0.00016 times 1,590,000 kilograms.(Domestic pig, Sus scrofa domesticus, a.k.a. S. domesticus) (adult)
Domestic pigs weigh between 50 kg and 450 kg. The titular character "Babe the pig" in the 1995 family film was played by 48 different American Yorkshire piglets due to the length of filming and the rate at which piglets reach adulthood.
It's about 7,000 times as heavy as a cubic meter of Snow
In other words, 1,590,000 kilograms is 6,900 times the weight of a cubic meter of Snow, and the weight of a cubic meter of Snow is 0.00014 times that amount.(Freshly fallen, standard conditions; measurements taken in Norway, 1965-68)
One cubic meter of freshly fallen snow under standard conditions weighs an average of 230 kg. Assembled in 2008, the world record largest snowman was constructed of 5,900,000 kg of snow and stood 37.21 m (122.1 ft) tall.