What can I compare 2^256 with?
2^256 = 1.158 x 10^77
There is an estimated 7.5 x 10^18 grains of sand on Earth There are estimations of anywhere from 30 x 10^21 to 70 x 10^21 and even 10 x 10^23 stars in the “observable” universe. There is an estimation of anywhere from 1 x 10^78 to 1 x 10^83 atoms in the known, observable universe.
How do you pronounce 2^256?
115 quattuorvigintillion 792 trevigintillion 89 duovigintillion 237 unvigintillion 316 vigintillion 195 novemdecillion 423 octodecillion 570 septendecillion 985 sexdecillion 8 quindecillion 687 quattuordecillion 907 tredecillion 853 duodecillion 269 undecillion 984 decillion 665 nonillion 640 octillion 564 septillion 39 sextillion 457 quintillion 584 quadrillion 7 trillion 913 billion 129 million 639 thousand 936
http://www.talkcrypto.org/blog/2019/04/08/all-you-need-to-know-about-2256/