18135621684

Names of 18135621684

• Cardinal: 18135621684 can be written as Eighteen billion, one hundred thirty-five million, six hundred twenty-one thousand, six hundred eighty-four.

Scientific notation

• Scientific notation: 1.8135621684 × 10¹⁰

Factors of 18135621684

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 763

Divisors of 18135621684

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 97 108 162 194 243 291 324 388 486 582 661 729 873 972 1164 1322 1458 1746 1983 2619 2644 2916 3492 3966 5238 5949 7857 7932 9409 10476 11898 15714 17847 18818 23571 23796 28227 31428 35694 37636 47142 53541 56454 64117 70713 71388 84681 94284 107082 112908 128234 141426 160623 169362 192351 214164 254043 256468 282852 321246 338724 384702 481869 508086 577053 642492 762129 769404 963738 1016172 1154106 1524258 1731159 1927476 2286387 2308212 3048516 3462318 4572774 5193477 6219349 6859161 6924636 9145548 10386954 12438698 13718322 15580431 18658047 20773908 24877396 27436644 31160862 37316094 46741293 55974141 62321724 74632188 93482586 111948282 167922423 186965172 223896564 335844846 503767269 671689692 1007534538 1511301807 2015069076 3022603614 4533905421 6045207228 9067810842 18135621684
• Sum of all divisors σ(n): 48152593734
• Sum of proper divisors (its aliquot sum) s(n): 30016972050
• 18135621684 is an abundant number, because the sum of its proper divisors (30016972050) is greater than itself. Its abundance is 11881350366

Bases of 18135621684

• Binary: 10000111000111101111010000000110100₂
• Hexadecimal: 0x438F7A034
• Base-36: 8BXHB90

Squares and roots of 18135621684

• 18135621684 squared (18135621684²) is 328900773865170995856
• 18135621684 cubed (18135621684³) is 5964820006393575604813947741504
• The square root of 18135621684 is 134668.5623447433
• The cube root of 18135621684 is 2627.3069574269

Scales and comparisons

• 18,135,621,684 seconds is equal to 576 years, 34 weeks, 1 day, 41 minutes, 24 seconds.
• To count from 1 to 18,135,621,684 would take you about one thousand, one hundred fifty-three 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 18135621684 cubic inches would be around 218.9 feet tall.

Recreational maths with 18135621684

• 18135621684 backwards is 48612653181
• The number of decimal digits it has is: 11
• The sum of 18135621684's digits is 45
• More coming soon!