18118227543

Names of 18118227543

• Cardinal: 18118227543 can be written as Eighteen billion, one hundred eighteen million, two hundred twenty-seven thousand, five hundred forty-three.

Scientific notation

• Scientific notation: 1.8118227543 × 10¹⁰

Factors of 18118227543

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 516

Divisors of 18118227543

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 13 29 31 39 87 93 127 169 313 377 381 403 507 899 939 1131 1209 1651 2697 3683 3937 4069 4901 4953 5239 9077 9703 11049 11687 11811 12207 14703 15717 21463 27231 29109 35061 39751 47879 51181 52897 64389 114173 118001 119253 126139 143637 151931 153543 158691 281387 342519 354003 378417 455793 516763 622427 665353 844161 1152779 1232281 1484249 1534013 1550289 1639807 1867281 1996059 3458337 3658031 3696843 4452747 4602039 4919421 6717919 10974093 14986127 16019653 19295237 20153757 35736149 44958381 47554403 48058959 57885711 107208447 142663209 194819651 208255489 464569937 584458953 624766467 1393709811 6039409181 18118227543
• Sum of all divisors σ(n): 28243722240
• Sum of proper divisors (its aliquot sum) s(n): 10125494697
• 18118227543 is a deficient number, because the sum of its proper divisors (10125494697) is less than itself. Its deficiency is 7992732846

Bases of 18118227543

• Binary: 10000110111111011100011011001010111₂
• Hexadecimal: 0x437EE3657
• Base-36: 8BN4HUF

Squares and roots of 18118227543

• 18118227543 squared (18118227543²) is 328270169299923816849
• 18118227543 cubed (18118227543³) is 5947673622955152726235239272007
• The square root of 18118227543 is 134603.9655545109
• The cube root of 18118227543 is 2626.4667258523

Scales and comparisons

• 18,118,227,543 seconds is equal to 576 years, 5 weeks, 2 days, 16 hours, 59 minutes, 3 seconds.
• To count from 1 to 18,118,227,543 would take you about one thousand, one hundred fifty-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 18118227543 cubic inches would be around 218.9 feet tall.

Recreational maths with 18118227543

• 18118227543 backwards is 34572281181
• The number of decimal digits it has is: 11
• The sum of 18118227543's digits is 42
• More coming soon!