18503315438239743

Names of 18503315438239743

• Cardinal: 18503315438239743 can be written as Eighteen quadrillion, five hundred three trillion, three hundred fifteen billion, four hundred thirty-eight million, two hundred thirty-nine thousand, seven hundred forty-three.

Scientific notation

• Scientific notation: 1.8503315438239743 × 10¹⁶

Factors of 18503315438239743

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 4297151

Divisors of 18503315438239743

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 23 69 3229 9687 19429 58287 74267 222801 446867 1340601 4274467 12823401 62736241 98312741 188208723 294938223 1442933543 4328800629 13802253943 41406761829 83048619343 249145858029 317451840689 952355522067 1910118244889 5730354734667 268163991858547 804491975575641 6167771812746581 18503315438239743
• Sum of all divisors σ(n): 25753047337459200
• Sum of proper divisors (its aliquot sum) s(n): 7249731899219457
• 18503315438239743 is a deficient number, because the sum of its proper divisors (7249731899219457) is less than itself. Its deficiency is 11253583539020286

Bases of 18503315438239743

• Binary: 1000001101111001010101011010111110111001111111111111111₂
• Hexadecimal: 0x41BCAAD7DCFFFF
• Base-36: 526VLRIHB0F

Squares and roots of 18503315438239743

• 18503315438239743 squared (18503315438239743²) is 342372682207001212550162344706049
• 18503315438239743 cubed (18503315438239743³) is 6335029736312354901814491353906127604691324305407
• The square root of 18503315438239743 is 136026892.3347135171
• The cube root of 18503315438239743 is 264494.4220160783

Scales and comparisons

• 18,503,315,438,239,743 seconds is equal to 588,348,196 years, 22 weeks, 3 hours, 29 minutes, 3 seconds.
• To count from 1 to 18,503,315,438,239,743 would take you about one billion, seven hundred sixty-five million, forty-four thousand, five hundred eighty-nine 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 18503315438239743 cubic inches would be around 22041.2 feet tall.

Recreational maths with 18503315438239743

• 18503315438239743 backwards is 34793283451330581
• 18503315438239743 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18503315438239743's digits is 69
• More coming soon!