18043711855

Names of 18043711855

• Cardinal: 18043711855 can be written as Eighteen billion, forty-three million, seven hundred eleven thousand, eight hundred fifty-five.

Scientific notation

• Scientific notation: 1.8043711855 × 10¹⁰

Factors of 18043711855

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 381

Divisors of 18043711855

• Number of divisors d(n): 128
• Complete list of divisors:
  1 5 13 17 19 61 65 73 85 95 193 221 247 305 323 365 793 949 965 1037 1105 1159 1235 1241 1387 1615 2509 3281 3667 3965 4199 4453 4745 5185 5795 6205 6935 11773 12545 13481 14089 15067 16133 16405 18031 18335 19703 20995 22265 23579 42653 47671 57889 58865 62339 67405 70445 75335 75701 80665 84607 90155 98515 117895 153049 183157 200141 213265 223687 238355 239513 256139 267691 289445 306527 311695 378505 423035 765245 810407 859429 915785 984113 1000705 1099891 1118435 1197565 1280695 1338455 1438319 1532635 2601833 2907931 3113669 3479983 3802679 4052035 4297145 4550747 4920565 5499455 7191595 11172577 13009165 14539655 14610293 15568345 16329151 17399915 18698147 19013395 22753735 49434827 55862885 59159711 73051465 81645755 93490735 189933809 212278963 247174135 277595567 295798555 949669045 1061394815 1387977835 3608742371 18043711855
• Sum of all divisors σ(n): 26915777280
• Sum of proper divisors (its aliquot sum) s(n): 8872065425
• 18043711855 is a deficient number, because the sum of its proper divisors (8872065425) is less than itself. Its deficiency is 9171646430

Bases of 18043711855

• Binary: 10000110011011111010011000101101111₂
• Hexadecimal: 0x4337D316F
• Base-36: 8AERD67

Squares and roots of 18043711855

• 18043711855 squared (18043711855²) is 325575537506267541025
• 18043711855 cubed (18043711855³) is 5874591185799836766794491351375
• The square root of 18043711855 is 134326.8843344473
• The cube root of 18043711855 is 2622.8611138549

Scales and comparisons

• 18,043,711,855 seconds is equal to 573 years, 38 weeks, 1 day, 6 hours, 10 minutes, 55 seconds.
• To count from 1 to 18,043,711,855 would take you about one thousand, one hundred forty-seven 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 18043711855 cubic inches would be around 218.6 feet tall.

Recreational maths with 18043711855

• 18043711855 backwards is 55811734081
• The number of decimal digits it has is: 11
• The sum of 18043711855's digits is 43
• More coming soon!