18389759878084

Names of 18389759878084

• Cardinal: 18389759878084 can be written as Eighteen trillion, three hundred eighty-nine billion, seven hundred fifty-nine million, eight hundred seventy-eight thousand and eighty-four.

Scientific notation

• Scientific notation: 1.8389759878084 × 10¹³

Factors of 18389759878084

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 29050382

Divisors of 18389759878084

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 14 23 28 46 92 161 322 644 983 1966 3932 6881 13762 22609 27524 45218 90436 158263 316526 633052 29049367 58098734 116197468 203345569 406691138 668135441 813382276 1336270882 2672541764 4676948087 9353896174 18707792348 28555527761 57111055522 114222111044 199888694327 399777388654 656777138503 799554777308 1313554277006 2627108554012 4597439969521 9194879939042 18389759878084
• Sum of all divisors σ(n): 38417672982528
• Sum of proper divisors (its aliquot sum) s(n): 20027913104444
• 18389759878084 is an abundant number, because the sum of its proper divisors (20027913104444) is greater than itself. Its abundance is 1638153226360

Bases of 18389759878084

• Binary: 100001011100110110011000110101110001111000100₂
• Hexadecimal: 0x10B9B31AE3C4
• Base-36: 6IO507ZK4

Squares and roots of 18389759878084

• 18389759878084 squared (18389759878084²) is 338183268373588054543511056
• 18389759878084 cubed (18389759878084³) is 6219109100175923314887716619459866096704
• The square root of 18389759878084 is 4288328.3314228635
• The cube root of 18389759878084 is 26395.2240547849

Scales and comparisons

• 18,389,759,878,084 seconds is equal to 584,737 years, 25 weeks, 48 minutes, 4 seconds.
• To count from 1 to 18,389,759,878,084 would take you about one million, four hundred sixty-one thousand, eight hundred forty-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 18389759878084 cubic inches would be around 2199.6 feet tall.

Recreational maths with 18389759878084

• 18389759878084 backwards is 48087895798381
• The number of decimal digits it has is: 14
• The sum of 18389759878084's digits is 85
• More coming soon!