18121582739710358101636

Names of 18121582739710358101636

• Cardinal: 18121582739710358101636 can be written as Eighteen sextillion, one hundred twenty-one quintillion, five hundred eighty-two quadrillion, seven hundred thirty-nine trillion, seven hundred ten billion, three hundred fifty-eight million, one hundred one thousand, six hundred thirty-six.

Scientific notation

• Scientific notation: 1.8121582739710358101636 × 10²²

Factors of 18121582739710358101636

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 169542500

Divisors of 18121582739710358101636

• Number of divisors d(n): 27
• Complete list of divisors:
  1 2 4 397 794 1588 157609 315218 630436 169542101 339084202 678168404 67308214097 134616428194 269232856388 26721360996509 53442721993018 106885443986036 28744524011494201 57489048022988402 114978096045976804 11411576032563197797 22823152065126395594 45646304130252791188 4530395684927589525409 9060791369855179050818 18121582739710358101636
• Sum of all divisors σ(n): 31792852225911021896847
• Sum of proper divisors (its aliquot sum) s(n): 13671269486200663795211
• 18121582739710358101636 is a deficient number, because the sum of its proper divisors (13671269486200663795211) is less than itself. Its deficiency is 4450313253509694306425

Bases of 18121582739710358101636

• Binary: 11110101100101111101111010111000011000000110011101111011001001111010000100₂
• Hexadecimal: 0x3D65F7AE1819DEC9E84
• Base-36: 2Y8FAFWEP18YYDG

Squares and roots of 18121582739710358101636

• 18121582739710358101636 squared (18121582739710358101636²) is 328391760992168368347736099154567901705876496
• 18121582739710358101636 cubed (18121582739710358101636³) is 5950978467858767565963428202169395585870406883973048817724031547456
• 18121582739710358101636 is a perfect square number. Its square root is 134616428194
• The cube root of 18121582739710358101636 is 26266288.4194205975

Scales and comparisons

• 18,121,582,739,710,358,101,636 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,121,582,739,710,358,101,636 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 18121582739710358101636 cubic inches would be around 2188857.4 feet tall.

Recreational maths with 18121582739710358101636

• 18121582739710358101636 backwards is 63610185301793728512181
• The number of decimal digits it has is: 23
• The sum of 18121582739710358101636's digits is 88
• More coming soon!