18143944637371777

Names of 18143944637371777

• Cardinal: 18143944637371777 can be written as Eighteen quadrillion, one hundred forty-three trillion, nine hundred forty-four billion, six hundred thirty-seven million, three hundred seventy-one thousand, seven hundred seventy-seven.

Scientific notation

• Scientific notation: 1.8143944637371777 × 10¹⁶

Factors of 18143944637371777

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 11514973

Divisors of 18143944637371777

• Number of divisors d(n): 32
• Complete list of divisors:
  1 7 23 161 199 1393 4577 32039 49393 345751 1136039 7952273 9829207 11465351 68804449 80257457 226071761 263703073 1582502327 1845921511 2281604849 15971233943 52476911527 367338380689 566308081943 3964156573601 13025085884689 91175601192823 112695308306657 788867158146599 2591992091053111 18143944637371777
• Sum of all divisors σ(n): 21746672512819200
• Sum of proper divisors (its aliquot sum) s(n): 3602727875447423
• 18143944637371777 is a deficient number, because the sum of its proper divisors (3602727875447423) is less than itself. Its deficiency is 14541216761924354

Bases of 18143944637371777

• Binary: 1000000011101011101001001001110111011110101010110000001₂
• Hexadecimal: 0x4075D24EEF5581
• Base-36: 4YNHP3IBMO1

Squares and roots of 18143944637371777

• 18143944637371777 squared (18143944637371777²) is 329202727004012064379758116137729
• 18143944637371777 cubed (18143944637371777³) is 5973036053232609775223781595913284576052709474433
• The square root of 18143944637371777 is 134699460.4197499263
• The cube root of 18143944637371777 is 262770.8811292339

Scales and comparisons

• 18,143,944,637,371,777 seconds is equal to 576,921,316 years, 29 weeks, 1 day, 20 hours, 9 minutes, 37 seconds.
• To count from 1 to 18,143,944,637,371,777 would take you about one billion, seven hundred thirty million, seven hundred sixty-three thousand, nine hundred forty-nine 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 18143944637371777 cubic inches would be around 21897.6 feet tall.

Recreational maths with 18143944637371777

• 18143944637371777 backwards is 77717373644934181
• The number of decimal digits it has is: 17
• The sum of 18143944637371777's digits is 82
• More coming soon!