18183978569855

Names of 18183978569855

• Cardinal: 18183978569855 can be written as Eighteen trillion, one hundred eighty-three billion, nine hundred seventy-eight million, five hundred sixty-nine thousand, eight hundred fifty-five.

Scientific notation

• Scientific notation: 1.8183978569855 × 10¹³

Factors of 18183978569855

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 14868

Divisors of 18183978569855

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 7 35 113 389 565 791 877 1945 2723 3955 4385 6139 13477 13615 30695 43957 67385 94339 99101 219785 307699 341153 471695 495505 693707 1522901 1538495 1705765 2388071 3468535 5242553 7614505 10660307 11819329 11940355 26212765 36697871 38550289 53301535 59096645 82735303 183489355 192751445 269852023 413676515 592408489 1335584177 1349260115 2962042445 4146859423 4597718981 6677920885 9349089239 20734297115 22988594905 32184032867 46745446195 160920164335 519542244853 2597711224265 3636795713971 18183978569855
• Sum of all divisors σ(n): 25254028350720
• Sum of proper divisors (its aliquot sum) s(n): 7070049780865
• 18183978569855 is a deficient number, because the sum of its proper divisors (7070049780865) is less than itself. Its deficiency is 11113928788990

Bases of 18183978569855

• Binary: 100001000100111001001100101010101000001111111₂
• Hexadecimal: 0x1089C995507F
• Base-36: 6G1LRCDXB

Squares and roots of 18183978569855

• 18183978569855 squared (18183978569855²) is 330657076628945891114721025
• 18183978569855 cubed (18183978569855³) is 6012661195391654649608443375916799701375
• The square root of 18183978569855 is 4264267.6475398445
• The cube root of 18183978569855 is 26296.4003853251

Scales and comparisons

• 18,183,978,569,855 seconds is equal to 578,194 years, 14 weeks, 22 hours, 17 minutes, 35 seconds.
• To count from 1 to 18,183,978,569,855 would take you about one million, four hundred forty-five thousand, four hundred eighty-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 18183978569855 cubic inches would be around 2191.4 feet tall.

Recreational maths with 18183978569855

• 18183978569855 backwards is 55896587938181
• The number of decimal digits it has is: 14
• The sum of 18183978569855's digits is 83
• More coming soon!