18423994428440290

Names of 18423994428440290

• Cardinal: 18423994428440290 can be written as Eighteen quadrillion, four hundred twenty-three trillion, nine hundred ninety-four billion, four hundred twenty-eight million, four hundred forty thousand, two hundred ninety.

Scientific notation

• Scientific notation: 1.842399442844029 × 10¹⁶

Factors of 18423994428440290

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1842399442844036

Divisors of 18423994428440290

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 1842399442844029 3684798885688058 9211997214220145 18423994428440290
• Sum of all divisors σ(n): 33163189971192540
• Sum of proper divisors (its aliquot sum) s(n): 14739195542752250
• 18423994428440290 is a deficient number, because the sum of its proper divisors (14739195542752250) is less than itself. Its deficiency is 3684798885688040

Bases of 18423994428440290

• Binary: 1000001011101001000011001111011010000000011111011100010₂
• Hexadecimal: 0x4174867B403EE2
• Base-36: 51ERE71952A

Squares and roots of 18423994428440290

• 18423994428440290 squared (18423994428440290²) is 339443570699198848197602095284100
• 18423994428440290 cubed (18423994428440290³) is 6253906455331917252999789107348305703527436389000
• The square root of 18423994428440290 is 135735015.4839947333
• The cube root of 18423994428440290 is 264115.9310070565

Scales and comparisons

• 18,423,994,428,440,290 seconds is equal to 585,826,033 years, 34 weeks, 5 days, 2 hours, 18 minutes, 10 seconds.
• To count from 1 to 18,423,994,428,440,290 would take you about one billion, seven hundred fifty-seven million, four hundred seventy-eight thousand, one hundred one 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 18423994428440290 cubic inches would be around 22009.7 feet tall.

Recreational maths with 18423994428440290

• 18423994428440290 backwards is 09204482449932481
• The number of decimal digits it has is: 17
• The sum of 18423994428440290's digits is 73
• More coming soon!