18388143450

Names of 18388143450

• Cardinal: 18388143450 can be written as Eighteen billion, three hundred eighty-eight million, one hundred forty-three thousand, four hundred fifty.

Scientific notation

• Scientific notation: 1.838814345 × 10¹⁰

Factors of 18388143450

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1267

Divisors of 18388143450

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 27 30 37 45 50 54 74 75 90 111 135 150 185 222 225 270 333 370 450 547 555 666 673 675 925 999 1094 1110 1346 1350 1641 1665 1850 1998 2019 2735 2775 3282 3330 3365 4038 4923 4995 5470 5550 6057 6730 8205 8325 9846 9990 10095 12114 13675 14769 16410 16650 16825 18171 20190 20239 24615 24901 24975 27350 29538 30285 33650 36342 40478 41025 49230 49802 49950 50475 60570 60717 73845 74703 82050 90855 100950 101195 121434 123075 124505 147690 149406 151425 181710 182151 202390 224109 246150 249010 302850 303585 364302 368131 369225 373515 448218 454275 505975 546453 607170 622525 672327 736262 738450 747030 908550 910755 1011950 1092906 1104393 1120545 1245050 1344654 1517925 1821510 1840655 1867575 2208786 2241090 2732265 3035850 3313179 3361635 3681310 3735150 4553775 5464530 5521965 5602725 6626358 6723270 9107550 9203275 9939537 11043930 11205450 13620847 13661325 16565895 16808175 18406550 19879074 27241694 27322650 27609825 33131790 33616350 40862541 49697685 55219650 68104235 81725082 82829475 99395370 122587623 136208470 165658950 204312705 245175246 248488425 340521175 367762869 408625410 496976850 612938115 681042350 735525738 1021563525 1225876230 1838814345 2043127050 3064690575 3677628690 6129381150 9194071725 18388143450
• Sum of all divisors σ(n): 52211598720
• Sum of proper divisors (its aliquot sum) s(n): 33823455270
• 18388143450 is an abundant number, because the sum of its proper divisors (33823455270) is greater than itself. Its abundance is 15435311820

Bases of 18388143450

• Binary: 10001001000000001001100110101011010₂
• Hexadecimal: 0x44804CD5A
• Base-36: 8G3TQAI

Squares and roots of 18388143450

• 18388143450 squared (18388143450²) is 338123819537777902500
• 18388143450 cubed (18388143450³) is 6217469297522572765410113625000
• The square root of 18388143450 is 135602.8887966625
• The cube root of 18388143450 is 2639.4450667279

Scales and comparisons

• 18,388,143,450 seconds is equal to 584 years, 35 weeks, 4 days, 17 hours, 37 minutes, 30 seconds.
• To count from 1 to 18,388,143,450 would take you about one thousand, one hundred sixty-nine 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 18388143450 cubic inches would be around 220 feet tall.

Recreational maths with 18388143450

• 18388143450 backwards is 05434188381
• 18388143450 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18388143450's digits is 45
• More coming soon!