18128379086460

Names of 18128379086460

• Cardinal: 18128379086460 can be written as Eighteen trillion, one hundred twenty-eight billion, three hundred seventy-nine million, eighty-six thousand, four hundred sixty.

Scientific notation

• Scientific notation: 1.812837908646 × 10¹³

Factors of 18128379086460

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5924306918

Divisors of 18128379086460

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 153 170 180 204 255 306 340 510 612 765 1020 1530 3060 5924306891 11848613782 17772920673 23697227564 29621534455 35545841346 53318762019 59243068910 71091682692 88864603365 100713217147 106637524038 118486137820 177729206730 201426434294 213275048076 266593810095 302139651441 355458413460 402852868588 503566085735 533187620190 604279302882 906418954323 1007132171470 1066375240380 1208558605764 1510698257205 1812837908646 2014264342940 3021396514410 3625675817292 4532094771615 6042793028820 9064189543230 18128379086460
• Sum of all divisors σ(n): 58224088134576
• Sum of proper divisors (its aliquot sum) s(n): 40095709048116
• 18128379086460 is an abundant number, because the sum of its proper divisors (40095709048116) is greater than itself. Its abundance is 21967329961656

Bases of 18128379086460

• Binary: 100000111110011010111100110001000011001111100₂
• Hexadecimal: 0x107CD798867C
• Base-36: 6FC28UHZ0

Squares and roots of 18128379086460

• 18128379086460 squared (18128379086460²) is 328638128302400304155331600
• 18128379086460 cubed (18128379086460³) is 5957676572130591896468656412746370136000
• The square root of 18128379086460 is 4257743.4265652973
• The cube root of 18128379086460 is 26269.5716589755

Scales and comparisons

• 18,128,379,086,460 seconds is equal to 576,426 years, 19 weeks, 5 days, 9 hours, 21 minutes.
• To count from 1 to 18,128,379,086,460 would take you about one million, four hundred forty-one thousand and sixty-five 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 18128379086460 cubic inches would be around 2189.1 feet tall.

Recreational maths with 18128379086460

• 18128379086460 backwards is 06468097382181
• The number of decimal digits it has is: 14
• The sum of 18128379086460's digits is 63
• More coming soon!