18018635502446559556

Names of 18018635502446559556

• Cardinal: 18018635502446559556 can be written as Eighteen quintillion, eighteen quadrillion, six hundred thirty-five trillion, five hundred two billion, four hundred forty-six million, five hundred fifty-nine thousand, five hundred fifty-six.

Scientific notation

• Scientific notation: 1.8018635502446559556 × 10¹⁹

Factors of 18018635502446559556

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 11112330

Divisors of 18018635502446559556

• Number of divisors d(n): 27
• Complete list of divisors:
  1 2 4 191 382 764 36481 72962 145924 11112137 22224274 44448548 2122418167 4244836334 8489672668 405381869897 810763739794 1621527479588 123479588706769 246959177413538 493918354827076 23584601442992879 47169202885985758 94338405771971516 4504658875611639889 9009317751223279778 18018635502446559556
• Sum of all divisors σ(n): 31698571549111434877
• Sum of proper divisors (its aliquot sum) s(n): 13679936046664875321
• 18018635502446559556 is a deficient number, because the sum of its proper divisors (13679936046664875321) is less than itself. Its deficiency is 4338699455781684235

Bases of 18018635502446559556

• Binary: 1111101000001111000011011000010111001100100100011100000101000100₂
• Hexadecimal: 0xFA0F0D85CC91C144
• Base-36: 3SWAP7FLIK2TG

Squares and roots of 18018635502446559556

• 18018635502446559556 squared (18018635502446559556²) is 324671225370027579743197329661054917136
• 18018635502446559556 cubed (18018635502446559556³) is 5850132468075207073327126898940158550232224076559868951616
• 18018635502446559556 is a perfect square number. Its square root is 4244836334
• The cube root of 18018635502446559556 is 2621645.5050973635

Scales and comparisons

• 18,018,635,502,446,559,556 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,018,635,502,446,559,556 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 18018635502446559556 cubic inches would be around 218470.5 feet tall.

Recreational maths with 18018635502446559556

• 18018635502446559556 backwards is 65595564420553681081
• The number of decimal digits it has is: 20
• The sum of 18018635502446559556's digits is 88
• More coming soon!