18327911409404415998

Names of 18327911409404415998

• Cardinal: 18327911409404415998 can be written as Eighteen quintillion, three hundred twenty-seven quadrillion, nine hundred eleven trillion, four hundred nine billion, four hundred four million, four hundred fifteen thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 1.8327911409404415998 × 10¹⁹

Factors of 18327911409404415998

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 5430066703

Divisors of 18327911409404415998

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 131 262 12913399 25826798 1691655269 3383310538 5417153171 10834306342 709647065401 1419294130802 69953860341238229 139907720682476458 9163955704702207999 18327911409404415998
• Sum of all divisors σ(n): 27701730845436700800
• Sum of proper divisors (its aliquot sum) s(n): 9373819436032284802
• 18327911409404415998 is a deficient number, because the sum of its proper divisors (9373819436032284802) is less than itself. Its deficiency is 8954091973372131196

Bases of 18327911409404415998

• Binary: 1111111001011001110100100101001001001000011000010000111111111110₂
• Hexadecimal: 0xFE59D25248610FFE
• Base-36: 3V8VYD5TPZE9Q

Squares and roots of 18327911409404415998

• 18327911409404415998 squared (18327911409404415998²) is 335912336630976566448616194663438336004
• 18327911409404415998 cubed (18327911409404415998³) is 6156571547098572357884367712269126827699463758402516991992
• The square root of 18327911409404415998 is 4281111001.7616240265
• The cube root of 18327911409404415998 is 2636559.9999999989

Scales and comparisons

• 18,327,911,409,404,415,998 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,327,911,409,404,415,998 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 18327911409404415998 cubic inches would be around 219713.3 feet tall.

Recreational maths with 18327911409404415998

• 18327911409404415998 backwards is 89951440490411972381
• The number of decimal digits it has is: 20
• The sum of 18327911409404415998's digits is 89
• More coming soon!