18409380131164

Names of 18409380131164

• Cardinal: 18409380131164 can be written as Eighteen trillion, four hundred nine billion, three hundred eighty million, one hundred thirty-one thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 1.8409380131164 × 10¹³

Factors of 18409380131164

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 284564

Divisors of 18409380131164

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 11 22 44 73 146 292 803 1606 3212 21821 43642 87284 240031 262657 480062 525314 960124 1050628 1592933 2889227 3185866 5778454 6371732 11556908 17522263 19173961 35044526 38347922 70089052 76695844 210913571 421827142 843654284 5731438397 11462876794 22925753588 63045822367 126091644734 252183289468 418395002981 836790005962 1673580011924 4602345032791 9204690065582 18409380131164
• Sum of all divisors σ(n): 35628389397216
• Sum of proper divisors (its aliquot sum) s(n): 17219009266052
• 18409380131164 is a deficient number, because the sum of its proper divisors (17219009266052) is less than itself. Its deficiency is 1190370865112

Bases of 18409380131164

• Binary: 100001011111001000100100100000011000101011100₂
• Hexadecimal: 0x10BE4490315C
• Base-36: 6IX5HM3Q4

Squares and roots of 18409380131164

• 18409380131164 squared (18409380131164²) is 338905276813695853843994896
• 18409380131164 cubed (18409380131164³) is 6239036069320687905830165732118226538944
• The square root of 18409380131164 is 4290615.3557693797
• The cube root of 18409380131164 is 26404.6078442921

Scales and comparisons

• 18,409,380,131,164 seconds is equal to 585,361 years, 17 weeks, 6 days, 7 hours, 6 minutes, 4 seconds.
• To count from 1 to 18,409,380,131,164 would take you about one million, four hundred sixty-three thousand, four hundred three 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 18409380131164 cubic inches would be around 2200.4 feet tall.

Recreational maths with 18409380131164

• 18409380131164 backwards is 46113108390481
• The number of decimal digits it has is: 14
• The sum of 18409380131164's digits is 49
• More coming soon!