18468405289007999

Names of 18468405289007999

• Cardinal: 18468405289007999 can be written as Eighteen quadrillion, four hundred sixty-eight trillion, four hundred five billion, two hundred eighty-nine million, seven thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8468405289007999 × 10¹⁶

Factors of 18468405289007999

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2675512

Divisors of 18468405289007999

• Number of divisors d(n): 64
• Complete list of divisors:
  1 13 19 29 247 377 499 551 1933 6487 7163 9481 14471 25129 36727 56057 123253 188123 274949 477451 728741 964567 1065083 2673019 3574337 12539371 13846079 18326773 27972443 34749247 50787361 77517551 238248049 363641759 531476417 660235693 1007728163 1333836481 1472833469 5166945727 6909193421 17339874253 19146835097 25342893139 38681257949 67170294451 98171968813 149841426083 329457610807 502856353337 734943901031 1276235594569 1947938539079 2578305917773 2846987095577 9554270713403 33517976931049 37010832242501 48987812437687 74770871615417 636841561689931 972021331000421 1420646560692923 18468405289007999
• Sum of all divisors σ(n): 21712406856000000
• Sum of proper divisors (its aliquot sum) s(n): 3244001566992001
• 18468405289007999 is a deficient number, because the sum of its proper divisors (3244001566992001) is less than itself. Its deficiency is 15224403722015998

Bases of 18468405289007999

• Binary: 1000001100111001110101010110000110100011011101101111111₂
• Hexadecimal: 0x419CEAB0D1BB7F
• Base-36: 51UI49GZBZZ

Squares and roots of 18468405289007999

• 18468405289007999 squared (18468405289007999²) is 341081993919058631068813485984001
• 18468405289007999 cubed (18468405289007999³) is 6299240500480136574801733257491370876855675023999
• The square root of 18468405289007999 is 135898510.9889287897
• The cube root of 18468405289007999 is 264327.9770199093

Scales and comparisons

• 18,468,405,289,007,999 seconds is equal to 587,238,161 years, 34 weeks, 2 days, 23 hours, 59 minutes, 59 seconds.
• To count from 1 to 18,468,405,289,007,999 would take you about one billion, seven hundred sixty-one million, seven hundred fourteen thousand, four hundred eighty-four 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 18468405289007999 cubic inches would be around 22027.3 feet tall.

Recreational maths with 18468405289007999

• 18468405289007999 backwards is 99970098250486481
• The number of decimal digits it has is: 17
• The sum of 18468405289007999's digits is 89
• More coming soon!