18020365803

Names of 18020365803

• Cardinal: 18020365803 can be written as Eighteen billion, twenty million, three hundred sixty-five thousand, eight hundred three.

Scientific notation

• Scientific notation: 1.8020365803 × 10¹⁰

Factors of 18020365803

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1323

Divisors of 18020365803

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 11 33 83 99 121 193 249 363 579 747 913 1033 1089 1737 2123 2739 3099 6369 8217 9297 10043 11363 16019 19107 23353 30129 34089 48057 70059 85739 90387 102267 124993 144171 176209 199369 210177 257217 374979 528627 598107 771651 943129 1124937 1585881 1794321 1938299 2193059 2829387 5814897 6579177 8488161 10374419 16547627 17444691 19737531 24123649 31123257 49642881 72370947 93369771 148928643 182023897 217112841 546071691 1638215073 2002262867 6006788601 18020365803
• Sum of all divisors σ(n): 29133760656
• Sum of proper divisors (its aliquot sum) s(n): 11113394853
• 18020365803 is a deficient number, because the sum of its proper divisors (11113394853) is less than itself. Its deficiency is 6906970950

Bases of 18020365803

• Binary: 10000110010000110001111010111101011₂
• Hexadecimal: 0x43218F5EB
• Base-36: 8A0UZ8R

Squares and roots of 18020365803

• 18020365803 squared (18020365803²) is 324733583673931834809
• 18020365803 cubed (18020365803³) is 5851817966323360338545148636627
• The square root of 18020365803 is 134239.9560600345
• The cube root of 18020365803 is 2621.7294198769

Scales and comparisons

• 18,020,365,803 seconds is equal to 572 years, 51 weeks, 4 days, 1 hour, 10 minutes, 3 seconds.
• To count from 1 to 18,020,365,803 would take you about one thousand, one hundred forty-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 18020365803 cubic inches would be around 218.5 feet tall.

Recreational maths with 18020365803

• 18020365803 backwards is 30856302081
• The number of decimal digits it has is: 11
• The sum of 18020365803's digits is 36
• More coming soon!