18273274985

Names of 18273274985

• Cardinal: 18273274985 can be written as Eighteen billion, two hundred seventy-three million, two hundred seventy-four thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.8273274985 × 10¹⁰

Factors of 18273274985

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3766

Divisors of 18273274985

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 7 19 35 61 95 127 133 305 427 635 665 889 1159 2135 2413 3547 4445 5795 7747 8113 12065 16891 17735 24829 38735 40565 54229 67393 84455 124145 147193 216367 271145 336965 450469 471751 735965 1030351 1081835 1514569 2252345 2358755 3153283 4110973 5151755 7572845 8558911 15766415 20554865 27478609 28776811 42794555 59912377 137393045 143884055 192350263 299561885 522093571 961751315 2610467855 3654654997 18273274985
• Sum of all divisors σ(n): 27030650880
• Sum of proper divisors (its aliquot sum) s(n): 8757375895
• 18273274985 is a deficient number, because the sum of its proper divisors (8757375895) is less than itself. Its deficiency is 9515899090

Bases of 18273274985

• Binary: 10001000001001011000000110001101001₂
• Hexadecimal: 0x4412C0C69
• Base-36: 8E7FP7T

Squares and roots of 18273274985

• 18273274985 squared (18273274985²) is 333912578677426750225
• 18273274985 cubed (18273274985³) is 6101676371123066619056335621625
• The square root of 18273274985 is 135178.6779969385
• The cube root of 18273274985 is 2633.9374863971

Scales and comparisons

• 18,273,274,985 seconds is equal to 581 years, 1 week, 5 days, 5 hours, 43 minutes, 5 seconds.
• To count from 1 to 18,273,274,985 would take you about one thousand, one hundred sixty-two 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 18273274985 cubic inches would be around 219.5 feet tall.

Recreational maths with 18273274985

• 18273274985 backwards is 58947237281
• The number of decimal digits it has is: 11
• The sum of 18273274985's digits is 56
• More coming soon!