18421349124

Names of 18421349124

• Cardinal: 18421349124 can be written as Eighteen billion, four hundred twenty-one million, three hundred forty-nine thousand, one hundred twenty-four.

Scientific notation

• Scientific notation: 1.8421349124 × 10¹⁰

Factors of 18421349124

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3407

Divisors of 18421349124

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 12 17 34 43 51 68 86 102 129 172 204 258 516 731 839 1462 1678 2193 2503 2517 2924 3356 4386 5006 5034 7509 8772 10012 10068 14263 15018 28526 30036 36077 42551 42789 57052 72154 85102 85578 107629 108231 127653 144308 170204 171156 215258 216462 255306 322887 430516 432924 510612 613309 645774 1226618 1291548 1829693 1839927 2100017 2453236 3659386 3679854 4200034 5489079 6300051 7318772 7359708 8400068 10978158 12600102 21956316 25200204 35700289 71400578 90300731 107100867 142801156 180601462 214201734 270902193 361202924 428403468 541804386 1083608772 1535112427 3070224854 4605337281 6140449708 9210674562 18421349124
• Sum of all divisors σ(n): 46644111360
• Sum of proper divisors (its aliquot sum) s(n): 28222762236
• 18421349124 is an abundant number, because the sum of its proper divisors (28222762236) is greater than itself. Its abundance is 9801413112

Bases of 18421349124

• Binary: 10001001001111111110111101100000100₂
• Hexadecimal: 0x449FF7B04
• Base-36: 8GNLFYC

Squares and roots of 18421349124

• 18421349124 squared (18421349124²) is 339346103548295567376
• 18421349124 cubed (18421349124³) is 6251213047332207841774960578624
• The square root of 18421349124 is 135725.2707641433
• The cube root of 18421349124 is 2641.0328987417

Scales and comparisons

• 18,421,349,124 seconds is equal to 585 years, 38 weeks, 4 days, 1 hour, 25 minutes, 24 seconds.
• To count from 1 to 18,421,349,124 would take you about one thousand, one hundred seventy-one 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 18421349124 cubic inches would be around 220.1 feet tall.

Recreational maths with 18421349124

• 18421349124 backwards is 42194312481
• The number of decimal digits it has is: 11
• The sum of 18421349124's digits is 39
• More coming soon!