18406268316594851329

Names of 18406268316594851329

• Cardinal: 18406268316594851329 can be written as Eighteen quintillion, four hundred six quadrillion, two hundred sixty-eight trillion, three hundred sixteen billion, five hundred ninety-four million, eight hundred fifty-one thousand, three hundred twenty-nine.

Scientific notation

• Scientific notation: 1.8406268316594851329 × 10¹⁹

Factors of 18406268316594851329

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 995892119269

Divisors of 18406268316594851329

• Number of divisors d(n): 32
• Complete list of divisors:
  1 7 13 83 91 581 1079 2447 7553 17129 31811 203101 222677 1421707 2640313 18482191 995892116719 6971244817033 12946597517347 82659045687677 90626182621429 578613319813739 1074567593939801 2436948009611393 7521973157578607 17058636067279751 31680324124948109 202266684797745619 221762268874636763 1415866793584219333 2629466902370693047 18406268316594851329
• Sum of all divisors σ(n): 22936176227481108480
• Sum of proper divisors (its aliquot sum) s(n): 4529907910886257151
• 18406268316594851329 is a deficient number, because the sum of its proper divisors (4529907910886257151) is less than itself. Its deficiency is 13876360405708594178

Bases of 18406268316594851329

• Binary: 1111111101110000001100111000001101101011001010011100111000000001₂
• Hexadecimal: 0xFF7033836B29CE01
• Base-36: 3VUBHKK1RS001

Squares and roots of 18406268316594851329

• 18406268316594851329 squared (18406268316594851329²) is 338790713342483462195760232031613066241
• 18406268316594851329 cubed (18406268316594851329³) is 6235872772952321913052439668023957123712680922623223884289
• The square root of 18406268316594851329 is 4290252710.1086774243
• The cube root of 18406268316594851329 is 2640312.0000000011

Scales and comparisons

• 18,406,268,316,594,851,329 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,406,268,316,594,851,329 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 18406268316594851329 cubic inches would be around 220026 feet tall.

Recreational maths with 18406268316594851329

• 18406268316594851329 backwards is 92315849561386260481
• 18406268316594851329 is a Harshad number.
• The number of decimal digits it has is: 20
• The sum of 18406268316594851329's digits is 91
• More coming soon!