1018821839046321438

Names of 1018821839046321438

• Cardinal: 1018821839046321438 can be written as One quintillion, eighteen quadrillion, eight hundred twenty-one trillion, eight hundred thirty-nine billion, forty-six million, three hundred twenty-one thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 1.018821839046321438 × 10¹⁸

Factors of 1018821839046321438

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 657455765

Divisors of 1018821839046321438

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 162 9709079 19418158 29127237 58254474 87381711 174763422 262145133 524290266 647746681 786435399 1295493362 1572870798 1943240043 3886480086 5829720129 11659440258 17489160387 34978320774 52467481161 104934962322 6289023697816799 12578047395633598 18867071093450397 37734142186900794 56601213280351191 113202426560702382 169803639841053573 339607279682107146 509410919523160719 1018821839046321438
• Sum of all divisors σ(n): 2282915840963939280
• Sum of proper divisors (its aliquot sum) s(n): 1264094001917617842
• 1018821839046321438 is an abundant number, because the sum of its proper divisors (1264094001917617842) is greater than itself. Its abundance is 245272162871296404

Bases of 1018821839046321438

• Binary: 111000100011100101010001000010001101110001000010010100011110₂
• Hexadecimal: 0xE2395108DC4251E
• Base-36: 7QNQ77HJTNVI

Squares and roots of 1018821839046321438

• 1018821839046321438 squared (1018821839046321438²) is 1037997939717728506298714639618387844
• 1018821839046321438 cubed (1018821839046321438³) is 1057534969869508854898742030977576681098100612175799672
• The square root of 1018821839046321438 is 1009367048.7222779545
• The cube root of 1018821839046321438 is 1006234.9904475877

Scales and comparisons

• 1,018,821,839,046,321,438 seconds is equal to 32,395,383,058 years, 42 weeks, 11 hours, 57 minutes, 18 seconds.
• To count from 1 to 1,018,821,839,046,321,438 would take you about one hundred thirteen billion, three hundred eighty-three million, eight hundred forty thousand, seven hundred five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1018821839046321438 cubic inches would be around 83852.9 feet tall.

Recreational maths with 1018821839046321438

• 1018821839046321438 backwards is 8341236409381288101
• The number of decimal digits it has is: 19
• The sum of 1018821839046321438's digits is 72
• More coming soon!