18043938828516087

Names of 18043938828516087

• Cardinal: 18043938828516087 can be written as Eighteen quadrillion, forty-three trillion, nine hundred thirty-eight billion, eight hundred twenty-eight million, five hundred sixteen thousand and eighty-seven.

Scientific notation

• Scientific notation: 1.8043938828516087 × 10¹⁶

Factors of 18043938828516087

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 346154

Divisors of 18043938828516087

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 9 27 32933 91541 98799 221677 274623 296397 665031 823869 889191 1995093 2471607 5985279 3014719753 7300488641 9044159259 20292534257 21901465923 27132477777 60877602771 65704397769 81397433331 182632808313 197113193307 547898424939 668294030685781 2004882092057343 6014646276172029 18043938828516087
• Sum of all divisors σ(n): 26732985550983360
• Sum of proper divisors (its aliquot sum) s(n): 8689046722467273
• 18043938828516087 is a deficient number, because the sum of its proper divisors (8689046722467273) is less than itself. Its deficiency is 9354892106048814

Bases of 18043938828516087

• Binary: 1000000000110101101110111100100001110001111101011110111₂
• Hexadecimal: 0x401ADDE438FAF7
• Base-36: 4XO1J29SXRR

Squares and roots of 18043938828516087

• 18043938828516087 squared (18043938828516087²) is 325583728447230498100118417791569
• 18043938828516087 cubed (18043938828516087³) is 5874812879662020063397652796260213704023929470503
• The square root of 18043938828516087 is 134327729.1869258355
• The cube root of 18043938828516087 is 262287.2111546021

Scales and comparisons

• 18,043,938,828,516,087 seconds is equal to 573,741,441 years, 9 weeks, 2 days, 7 hours, 21 minutes, 27 seconds.
• To count from 1 to 18,043,938,828,516,087 would take you about one billion, seven hundred twenty-one million, two hundred twenty-four thousand, three hundred twenty-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 18043938828516087 cubic inches would be around 21857.3 feet tall.

Recreational maths with 18043938828516087

• 18043938828516087 backwards is 78061582883934081
• The number of decimal digits it has is: 17
• The sum of 18043938828516087's digits is 81
• More coming soon!