18221993244

Names of 18221993244

• Cardinal: 18221993244 can be written as Eighteen billion, two hundred twenty-one million, nine hundred ninety-three thousand, two hundred forty-four.

Scientific notation

• Scientific notation: 1.8221993244 × 10¹⁰

Factors of 18221993244

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1964

Divisors of 18221993244

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 19 21 26 28 36 38 39 42 52 57 63 76 78 84 91 114 117 126 133 156 167 171 182 228 234 247 252 266 273 334 342 364 399 468 494 501 532 546 668 684 741 798 819 988 1002 1092 1169 1197 1482 1503 1596 1638 1729 1753 2004 2171 2223 2338 2394 2964 3006 3173 3276 3458 3506 3507 4342 4446 4676 4788 5187 5259 6012 6346 6513 6916 7012 7014 8684 8892 9519 10374 10518 10521 12271 12692 13026 14028 15197 15561 15777 19038 19539 20748 21036 21042 22211 22789 24542 26052 28557 30394 31122 31554 33307 36813 38076 39078 41249 42084 44422 45578 45591 49084 57114 60788 62244 63108 66614 66633 68367 73626 78156 82498 88844 91156 91182 99921 110439 114228 123747 133228 133266 136734 136773 147252 159523 164996 182364 199842 199899 205101 220878 233149 247494 266532 273468 273546 288743 292751 299763 319046 371241 399684 399798 410202 432991 441756 466298 478569 494988 547092 577486 585502 599526 638092 699447 742482 799596 820404 865982 866229 878253 932596 957138 1154972 1171004 1199052 1298973 1398894 1435707 1484964 1731964 1732458 1756506 1914276 2049257 2098341 2597946 2598687 2634759 2797788 2871414 3030937 3464916 3513012 3805763 3896919 4098514 4196682 5195892 5197374 5269518 5562269 5742828 6061874 6147771 7611526 7793838 8197028 8393364 9092811 10394748 10539036 11124538 11417289 12123748 12295542 15223052 15587676 16686807 18185622 18443313 22249076 22834578 24591084 26640341 27278433 33373614 34251867 36371244 36886626 38935883 45669156 50060421 53280682 54556866 66747228 68503734 72309497 73773252 77871766 79921023 100120842 106561364 109113732 116807649 137007468 144618994 155743532 159842046 200241684 216928491 233615298 239763069 289237988 319684092 350422947 433856982 467230596 479526138 506166479 650785473 700845894 867713964 959052276 1012332958 1301570946 1401691788 1518499437 2024665916 2603141892 3036998874 4555498311 6073997748 9110996622 18221993244
• Sum of all divisors σ(n): 60065940480
• Sum of proper divisors (its aliquot sum) s(n): 41843947236
• 18221993244 is an abundant number, because the sum of its proper divisors (41843947236) is greater than itself. Its abundance is 23621953992

Bases of 18221993244

• Binary: 10000111110000111011000110100011100₂
• Hexadecimal: 0x43E1D8D1C
• Base-36: 8DCWJZ0

Squares and roots of 18221993244

• 18221993244 squared (18221993244²) is 332041037784381643536
• 18221993244 cubed (18221993244³) is 6050449547237751037230608270784
• The square root of 18221993244 is 134988.8634073197
• The cube root of 18221993244 is 2631.4712353149

Scales and comparisons

• 18,221,993,244 seconds is equal to 579 years, 20 weeks, 6 days, 16 hours, 47 minutes, 24 seconds.
• To count from 1 to 18,221,993,244 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 18221993244 cubic inches would be around 219.3 feet tall.

Recreational maths with 18221993244

• 18221993244 backwards is 44239912281
• The number of decimal digits it has is: 11
• The sum of 18221993244's digits is 45
• More coming soon!