18212023800

Names of 18212023800

• Cardinal: 18212023800 can be written as Eighteen billion, two hundred twelve million, twenty-three thousand, eight hundred.

Scientific notation

• Scientific notation: 1.82120238 × 10¹⁰

Factors of 18212023800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 13889

Divisors of 18212023800

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 40 45 50 54 60 72 75 81 90 100 108 120 135 150 162 180 200 216 225 243 270 300 324 360 405 450 486 540 600 648 675 729 810 900 972 1080 1215 1350 1458 1620 1800 1944 2025 2187 2430 2700 2916 3240 3645 4050 4374 4860 5400 5832 6075 6561 7290 8100 8748 9720 10935 12150 13122 13879 14580 16200 17496 18225 21870 24300 26244 27758 29160 32805 36450 41637 43740 48600 52488 54675 55516 65610 69395 72900 83274 87480 109350 111032 124911 131220 138790 145800 164025 166548 208185 218700 249822 262440 277580 328050 333096 346975 374733 416370 437400 499644 555160 624555 656100 693950 749466 832740 999288 1040925 1124199 1249110 1312200 1387900 1498932 1665480 1873665 2081850 2248398 2498220 2775800 2997864 3122775 3372597 3747330 4163700 4496796 4996440 5620995 6245550 6745194 7494660 8327400 8993592 9368325 10117791 11241990 12491100 13490388 14989320 16862985 18736650 20235582 22483980 24982200 26980776 28104975 30353373 33725970 37473300 40471164 44967960 50588955 56209950 60706746 67451940 74946600 80942328 84314925 91060119 101177910 112419900 121413492 134903880 151766865 168629850 182120238 202355820 224839800 242826984 252944775 303533730 337259700 364240476 404711640 455300595 505889550 607067460 674519400 728480952 758834325 910601190 1011779100 1214134920 1517668650 1821202380 2023558200 2276502975 3035337300 3642404760 4553005950 6070674600 9106011900 18212023800
• Sum of all divisors σ(n): 63515782200
• Sum of proper divisors (its aliquot sum) s(n): 45303758400
• 18212023800 is an abundant number, because the sum of its proper divisors (45303758400) is greater than itself. Its abundance is 27091734600

Bases of 18212023800

• Binary: 10000111101100001010110110111111000₂
• Hexadecimal: 0x43D856DF8
• Base-36: 8D6YVI0

Squares and roots of 18212023800

• 18212023800 squared (18212023800²) is 331677810891766440000
• 18212023800 cubed (18212023800³) is 6040524185892749629321272000000
• The square root of 18212023800 is 134951.9314422731
• The cube root of 18212023800 is 2630.9912459129

Scales and comparisons

• 18,212,023,800 seconds is equal to 579 years, 4 weeks, 3 days, 7 hours, 30 minutes.
• To count from 1 to 18,212,023,800 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 18212023800 cubic inches would be around 219.2 feet tall.

Recreational maths with 18212023800

• 18212023800 backwards is 00832021281
• 18212023800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18212023800's digits is 27
• More coming soon!