18218636020

Names of 18218636020

• Cardinal: 18218636020 can be written as Eighteen billion, two hundred eighteen million, six hundred thirty-six thousand and twenty.

Scientific notation

• Scientific notation: 1.821863602 × 10¹⁰

Factors of 18218636020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1179

Divisors of 18218636020

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 169 190 247 260 338 367 380 494 676 734 773 845 988 1235 1468 1546 1690 1835 2470 3092 3211 3380 3670 3865 4771 4940 6422 6973 7340 7730 9542 10049 12844 13946 14687 15460 16055 19084 20098 23855 27892 29374 32110 34865 40196 47710 50245 58748 62023 64220 69730 73435 90649 95420 100490 124046 130637 139460 146870 181298 190931 200980 248092 261274 283691 293740 310115 362596 381862 453245 522548 567382 620230 653185 763724 906490 954655 1134764 1178437 1240460 1306370 1418455 1812980 1909310 2356874 2482103 2612740 2836910 3687983 3818620 4713748 4964206 5390129 5673820 5892185 7375966 9928412 10780258 11784370 12410515 14751932 18439915 21560516 23568740 24821030 26950645 36879830 47943779 49642060 53901290 70071677 73759660 95887558 107802580 140143354 191775116 239718895 280286708 350358385 479437790 700716770 910931801 958875580 1401433540 1821863602 3643727204 4554659005 9109318010 18218636020
• Sum of all divisors σ(n): 43784375040
• Sum of proper divisors (its aliquot sum) s(n): 25565739020
• 18218636020 is an abundant number, because the sum of its proper divisors (25565739020) is greater than itself. Its abundance is 7347103000

Bases of 18218636020

• Binary: 10000111101111010100101001011110100₂
• Hexadecimal: 0x43DEA52F4
• Base-36: 8DAWLIS

Squares and roots of 18218636020

• 18218636020 squared (18218636020²) is 331918698429241440400
• 18218636020 cubed (18218636020³) is 6047105954914495527348123208000
• The square root of 18218636020 is 134976.4276457189
• The cube root of 18218636020 is 2631.3096177779

Scales and comparisons

• 18,218,636,020 seconds is equal to 579 years, 15 weeks, 2 days, 20 hours, 13 minutes, 40 seconds.
• To count from 1 to 18,218,636,020 would take you about one thousand, one hundred fifty-eight 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 18218636020 cubic inches would be around 219.3 feet tall.

Recreational maths with 18218636020

• 18218636020 backwards is 02063681281
• The number of decimal digits it has is: 11
• The sum of 18218636020's digits is 37
• More coming soon!