18342456405

Names of 18342456405

• Cardinal: 18342456405 can be written as Eighteen billion, three hundred forty-two million, four hundred fifty-six thousand, four hundred five.

Scientific notation

• Scientific notation: 1.8342456405 × 10¹⁰

Factors of 18342456405

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 372

Divisors of 18342456405

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 13 15 21 35 37 39 49 65 91 105 111 147 169 185 195 245 259 273 307 455 481 507 555 637 735 777 845 921 1183 1295 1365 1443 1535 1813 1911 2149 2197 2405 2535 3185 3367 3549 3885 3991 4605 5439 5915 6253 6447 6591 7215 8281 9065 9555 10101 10745 10985 11359 11973 15043 15379 16835 17745 18759 19955 23569 24843 27195 27937 31265 32235 32955 34077 41405 43771 45129 46137 50505 51883 56795 59865 70707 75215 76895 79513 81289 83811 93795 107653 117845 124215 131313 139685 147667 155649 170385 195559 218855 225645 230685 238539 243867 259415 306397 322959 353535 363181 397565 406445 419055 443001 538265 556591 569023 586677 656565 674479 738335 778245 919191 977795 1033669 1089543 1192695 1219335 1531985 1614795 1669773 1707069 1815905 1919671 2023437 2215005 2542267 2782955 2845115 2933385 3101007 3372395 3983161 4595955 4721353 5168345 5447715 5759013 7235683 7626801 8348865 8535345 9598355 10117185 11949483 12711335 13437697 14164059 15505035 19915805 21707049 23606765 24955723 28795065 33049471 36178415 38134005 40313091 59747415 67188485 70820295 74867169 94063879 99148413 108535245 124778615 165247355 174690061 201565455 282191637 374335845 470319395 495742065 524070183 873450305 1222830427 1410958185 2620350915 3668491281 6114152135 18342456405
• Sum of all divisors σ(n): 38106351360
• Sum of proper divisors (its aliquot sum) s(n): 19763894955
• 18342456405 is an abundant number, because the sum of its proper divisors (19763894955) is greater than itself. Its abundance is 1421438550

Bases of 18342456405

• Binary: 10001000101010010111010110001010101₂
• Hexadecimal: 0x4454BAC55
• Base-36: 8FCMHXX

Squares and roots of 18342456405

• 18342456405 squared (18342456405²) is 336445706969325524025
• 18342456405 cubed (18342456405³) is 6171240712734258096682342630125
• The square root of 18342456405 is 135434.3250620019
• The cube root of 18342456405 is 2637.2572719131

Scales and comparisons

• 18,342,456,405 seconds is equal to 583 years, 12 weeks, 22 hours, 46 minutes, 45 seconds.
• To count from 1 to 18,342,456,405 would take you about one thousand, one hundred sixty-six 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 18342456405 cubic inches would be around 219.8 feet tall.

Recreational maths with 18342456405

• 18342456405 backwards is 50465424381
• The number of decimal digits it has is: 11
• The sum of 18342456405's digits is 42
• More coming soon!