18518637939014343

Names of 18518637939014343

• Cardinal: 18518637939014343 can be written as Eighteen quadrillion, five hundred eighteen trillion, six hundred thirty-seven billion, nine hundred thirty-nine million, fourteen thousand, three hundred forty-three.

Scientific notation

• Scientific notation: 1.8518637939014343 × 10¹⁶

Factors of 18518637939014343

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 78028254

Divisors of 18518637939014343

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 13 39 6652651 19957953 71375587 86484463 214126761 259453389 927882631 2783647893 474836870231137 1424510610693411 6172879313004781 18518637939014343
• Sum of all divisors σ(n): 26590869102525056
• Sum of proper divisors (its aliquot sum) s(n): 8072231163510713
• 18518637939014343 is a deficient number, because the sum of its proper divisors (8072231163510713) is less than itself. Its deficiency is 10446406775503630

Bases of 18518637939014343

• Binary: 1000001110010101001101001100100000101000011101011000111₂
• Hexadecimal: 0x41CA9A64143AC7
• Base-36: 52CB4TNTRD3

Squares and roots of 18518637939014343

• 18518637939014343 squared (18518637939014343²) is 342939951116301393368918359721649
• 18518637939014343 cubed (18518637939014343³) is 6350780789546063172319075670620069047074898611607
• The square root of 18518637939014343 is 136083202.2661663521
• The cube root of 18518637939014343 is 264567.4106981395

Scales and comparisons

• 18,518,637,939,014,343 seconds is equal to 588,835,404 years, 28 weeks, 5 days, 2 hours, 39 minutes, 3 seconds.
• To count from 1 to 18,518,637,939,014,343 would take you about one billion, seven hundred sixty-six million, five hundred six thousand, two hundred thirteen 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 18518637939014343 cubic inches would be around 22047.3 feet tall.

Recreational maths with 18518637939014343

• 18518637939014343 backwards is 34341093973681581
• The number of decimal digits it has is: 17
• The sum of 18518637939014343's digits is 75
• More coming soon!