18173742843327872

Names of 18173742843327872

• Cardinal: 18173742843327872 can be written as Eighteen quadrillion, one hundred seventy-three trillion, seven hundred forty-two billion, eight hundred forty-three million, three hundred twenty-seven thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.8173742843327872 × 10¹⁶

Factors of 18173742843327872

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1010812

Divisors of 18173742843327872

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 32 64 128 139 278 556 1112 2224 4448 8896 17792 1010671 2021342 4042684 8085368 16170736 32341472 64682944 129365888 140483269 280966538 561933076 1123866152 2247732304 4495464608 8990929216 17981858432 1021455870241 2042911740482 4085823480964 8171646961928 16343293923856 32686587847712 65373175695424 130746351390848 141982365963499 283964731926998 567929463853996 1135858927707992 2271717855415984 4543435710831968 9086871421663936 18173742843327872
• Sum of all divisors σ(n): 36466010648594100
• Sum of proper divisors (its aliquot sum) s(n): 18292267805266228
• 18173742843327872 is an abundant number, because the sum of its proper divisors (18292267805266228) is greater than itself. Its abundance is 118524961938356

Bases of 18173742843327872

• Binary: 1000000100100001110110000111110011010100111010110000000₂
• Hexadecimal: 0x4090EC3E6A7580
• Base-36: 4YY1Y7CS60W

Squares and roots of 18173742843327872

• 18173742843327872 squared (18173742843327872²) is 330284928935411045475947692048384
• 18173742843327872 cubed (18173742843327872³) is 6002513363498981277201562987308976651402999758848
• The square root of 18173742843327872 is 134810025.0104860413
• The cube root of 18173742843327872 is 262914.6539486097

Scales and comparisons

• 18,173,742,843,327,872 seconds is equal to 577,868,807 years, 17 weeks, 4 days, 20 hours, 24 minutes, 32 seconds.
• To count from 1 to 18,173,742,843,327,872 would take you about one billion, seven hundred thirty-three million, six hundred six thousand, four hundred twenty-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 18173742843327872 cubic inches would be around 21909.6 feet tall.

Recreational maths with 18173742843327872

• 18173742843327872 backwards is 27872334824737181
• The number of decimal digits it has is: 17
• The sum of 18173742843327872's digits is 77
• More coming soon!