18381863443046401

Names of 18381863443046401

• Cardinal: 18381863443046401 can be written as Eighteen quadrillion, three hundred eighty-one trillion, eight hundred sixty-three billion, four hundred forty-three million, forty-six thousand, four hundred one.

Scientific notation

• Scientific notation: 1.8381863443046401 × 10¹⁶

Factors of 18381863443046401

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 59068691

Divisors of 18381863443046401

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2897 107621 58958173 311778037 170801827181 6345137536433 18381863443046401
• Sum of all divisors σ(n): 18388379753256744
• Sum of proper divisors (its aliquot sum) s(n): 6516310210343
• 18381863443046401 is a deficient number, because the sum of its proper divisors (6516310210343) is less than itself. Its deficiency is 18375347132836058

Bases of 18381863443046401

• Binary: 1000001010011100011010100011000110101010010000000000001₂
• Hexadecimal: 0x414E3518D52001
• Base-36: 50ZTRHKC8W1

Squares and roots of 18381863443046401

• 18381863443046401 squared (18381863443046401²) is 337892903638805687940239439052801
• 18381863443046401 cubed (18381863443046401³) is 6211101213062962519950897536117624298865332019201
• The square root of 18381863443046401 is 135579730.9447337743
• The cube root of 18381863443046401 is 263914.4553867787

Scales and comparisons

• 18,381,863,443,046,401 seconds is equal to 584,486,398 years, 33 weeks, 6 days, 8 hours, 1 second.
• To count from 1 to 18,381,863,443,046,401 would take you about one billion, seven hundred fifty-three million, four hundred fifty-nine thousand, one hundred ninety-five 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 18381863443046401 cubic inches would be around 21992.9 feet tall.

Recreational maths with 18381863443046401

• 18381863443046401 backwards is 10464034436818381
• The number of decimal digits it has is: 17
• The sum of 18381863443046401's digits is 64
• More coming soon!