18265526732968021

Names of 18265526732968021

• Cardinal: 18265526732968021 can be written as Eighteen quadrillion, two hundred sixty-five trillion, five hundred twenty-six billion, seven hundred thirty-two million, nine hundred sixty-eight thousand and twenty-one.

Scientific notation

• Scientific notation: 1.8265526732968021 × 10¹⁶

Factors of 18265526732968021

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2175

Divisors of 18265526732968021

• Number of divisors d(n): 24
• Complete list of divisors:
  1 13 1033 1129 13429 14677 1067089 1166257 1274641 13872157 15161341 16570333 1102302937 1204743481 1316704153 14329938181 15661665253 17117153989 1244500015873 1360155390049 16178500206349 17682020070637 1405040517920617 18265526732968021
• Sum of all divisors σ(n): 19707083208221640
• Sum of proper divisors (its aliquot sum) s(n): 1441556475253619
• 18265526732968021 is a deficient number, because the sum of its proper divisors (1441556475253619) is less than itself. Its deficiency is 16823970257714402

Bases of 18265526732968021

• Binary: 1000000111001000110011001011000100011011101000001010101₂
• Hexadecimal: 0x40E466588DD055
• Base-36: 4ZUL752VU51

Squares and roots of 18265526732968021

• 18265526732968021 squared (18265526732968021²) is 333629466832769426730211808656441
• 18265526732968021 cubed (18265526732968021³) is 6093917945339817667645923436269098454708228673261
• The square root of 18265526732968021 is 135150015.6602581419
• The cube root of 18265526732968021 is 263356.5152178361

Scales and comparisons

• 18,265,526,732,968,021 seconds is equal to 580,787,251 years, 6 weeks, 3 days, 8 hours, 27 minutes, 1 second.
• To count from 1 to 18,265,526,732,968,021 would take you about one billion, seven hundred forty-two million, three hundred sixty-one thousand, seven hundred fifty-three 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 18265526732968021 cubic inches would be around 21946.4 feet tall.

Recreational maths with 18265526732968021

• 18265526732968021 backwards is 12086923762556281
• The number of decimal digits it has is: 17
• The sum of 18265526732968021's digits is 73
• More coming soon!