18619410040

Names of 18619410040

• Cardinal: 18619410040 can be written as Eighteen billion, six hundred nineteen million, four hundred ten thousand and forty.

Scientific notation

• Scientific notation: 1.861941004 × 10¹⁰

Factors of 18619410040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 863634

Divisors of 18619410040

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 49 55 56 70 77 88 98 110 140 154 196 220 245 280 308 385 392 440 490 539 616 770 980 1078 1540 1960 2156 2695 3080 4312 5390 10780 21560 863609 1727218 3454436 4318045 6045263 6908872 8636090 9499699 12090526 17272180 18999398 24181052 30226315 34544360 37998796 42316841 47498495 48362104 60452630 66497893 75997592 84633682 94996990 120905260 132995786 169267364 189993980 211584205 241810520 265991572 332489465 338534728 379987960 423168410 465485251 531983144 664978930 846336820 930970502 1329957860 1692673640 1861941004 2327426255 2659915720 3723882008 4654852510 9309705020 18619410040
• Sum of all divisors σ(n): 53163831600
• Sum of proper divisors (its aliquot sum) s(n): 34544421560
• 18619410040 is an abundant number, because the sum of its proper divisors (34544421560) is greater than itself. Its abundance is 15925011520

Bases of 18619410040

• Binary: 10001010101110011011010011001111000₂
• Hexadecimal: 0x455CDA678
• Base-36: 8JXIKQG

Squares and roots of 18619410040

• 18619410040 squared (18619410040²) is 346682430237652801600
• 18619410040 cubed (18619410040³) is 6455022322258552160145168064000
• The square root of 18619410040 is 136452.9590738141
• The cube root of 18619410040 is 2650.4643799925

Scales and comparisons

• 18,619,410,040 seconds is equal to 592 years, 2 weeks, 10 hours, 20 minutes, 40 seconds.
• To count from 1 to 18,619,410,040 would take you about one thousand, one 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 18619410040 cubic inches would be around 220.9 feet tall.

Recreational maths with 18619410040

• 18619410040 backwards is 04001491681
• The number of decimal digits it has is: 11
• The sum of 18619410040's digits is 34
• More coming soon!