18368313909309

Names of 18368313909309

• Cardinal: 18368313909309 can be written as Eighteen trillion, three hundred sixty-eight billion, three hundred thirteen million, nine hundred nine thousand, three hundred nine.

Scientific notation

• Scientific notation: 1.8368313909309 × 10¹³

Factors of 18368313909309

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1404

Divisors of 18368313909309

• Number of divisors d(n): 512
• Complete list of divisors:
  1 3 7 9 13 21 23 27 31 39 53 63 69 91 93 117 159 161 181 189 207 217 273 279 299 351 371 403 477 483 543 621 651 689 713 819 837 897 1093 1113 1209 1219 1267 1431 1449 1629 1643 1953 2067 2093 2139 2353 2457 2691 2821 3279 3339 3627 3657 3801 4163 4347 4823 4887 4929 4991 5611 5859 6201 6279 6417 7059 7651 8073 8463 8533 9269 9593 9837 10017 10881 10971 11403 11501 12489 14209 14469 14787 14973 15847 16471 16833 18603 18837 19251 21177 21359 22953 25139 25389 25599 27807 28779 29141 29511 32913 33883 34209 34503 37467 37789 39277 42627 43407 44361 44919 47541 49413 50499 54119 56511 57929 63531 64077 64883 67151 68859 72943 75417 76167 76797 83421 86337 87423 99463 101649 103509 110929 112401 113367 117831 124709 127881 129053 130221 134757 142623 148239 149513 151497 162357 173787 175973 192231 194649 197833 201453 206577 218829 220639 226251 230391 237181 250263 259011 262269 264523 297383 298389 304947 310527 326807 332787 340101 353493 374127 378833 383643 387159 405503 427869 440479 444717 448539 487071 491257 510601 521361 527919 576693 583947 593499 604359 656487 661917 678753 711543 753077 779309 786807 793569 872963 892149 895167 903371 914841 980421 998361 1020303 1060479 1122381 1136499 1161477 1216509 1321437 1332367 1345617 1384831 1461213 1473771 1531803 1544473 1564083 1583757 1677689 1751841 1780497 1795799 1813077 1969461 1985751 2081681 2134629 2259231 2287649 2337927 2380707 2571829 2618889 2676447 2685501 2710113 2868307 2941263 2995083 3083353 3367143 3409497 3438799 3484431 3649527 3865979 3964311 3997101 4036851 4154493 4421313 4550159 4595409 4633419 4751271 5033067 5271539 5341491 5387397 5455163 5957253 6132823 6245043 6403887 6777693 6839809 6862947 7013781 7142121 7715487 7856667 8029341 8130339 8604921 8823789 9250059 9326569 10131017 10228491 10316397 10485149 10948581 11597937 11743823 11892933 11991303 12463479 12570593 13263939 13650477 13786227 13900257 15099201 15814617 16162191 16365489 17320771 18002803 18398469 18735129 20078149 20333079 20519427 20588841 21041343 23146461 23345387 23570001 24391017 25814763 27061853 27750177 27979707 30393051 30949191 31455447 31851113 34793811 35231469 35973909 37390437 37711779 40951431 41303377 41700771 42929761 45297603 47443851 47878663 48486573 49096467 51962313 54008409 55195407 56205387 59152067 60234447 61558281 61766523 69439383 70036161 70917119 73396043 77444289 79726699 81185559 83250531 83939121 88917517 91179153 92847573 94366341 95553339 104381433 105694407 113135337 121245397 122854293 123910131 128789283 136306937 141054929 142331553 143635989 147289401 155886939 162025227 163417709 165586221 177456201 180703341 184674843 210108483 212751357 220188129 239180097 241158427 243556677 251817363 266752551 273537459 283099023 286660017 289123639 317083221 325039619 339406011 363736191 371730393 386367849 408920811 414064469 423164787 430907967 467660817 486075681 490253127 532368603 536943901 542110023 558086893 622422619 630325449 638254071 660564387 717540291 723475281 730670031 800257653 859980051 867370917 954148559 975118857 987384503 1091208573 1115191179 1159103547 1226762433 1242193407 1269494361 1292723901 1470759381 1597105809 1610831703 1674260679 1688108989 1833714077 1867267857 1914762213 1981693161 2152620873 2170425843 2275277333 2400772959 2602112751 2862445677 2925356571 2962153509 3135059551 3273625719 3680287299 3726580221 3758607307 3808483083 4225515047 4412278143 4832495109 5022782037 5064326967 5501142231 5601803571 6511277529 6825831999 7475911237 7806338253 8587337031 8776069713 8886460527 9405178653 11179740663 11275821921 12676545141 12835998539 14497485327 15068346111 15192980901 16503426693 16805410713 20477495997 21945416857 22427733711 25762011093 26659381581 28215535959 29578605329 33827465763 38029635423 38507995617 45578942703 49510280079 52331378659 61432487991 65836250571 67283201133 84646607877 88735815987 97186846081 101482397289 114088906269 115523986851 156994135977 197508751713 201849603399 266207447961 291560538243 346571960553 470982407931 592526255139 680307922567 798622343883 874681614729 1412947223793 2040923767701 2624044844187 6122771303103 18368313909309
• Sum of all divisors σ(n): 36993183252480
• Sum of proper divisors (its aliquot sum) s(n): 18624869343171
• 18368313909309 is an abundant number, because the sum of its proper divisors (18624869343171) is greater than itself. Its abundance is 256555433862

Bases of 18368313909309

• Binary: 100001011010010110100110100110110000000111101₂
• Hexadecimal: 0x10B4B4D3603D
• Base-36: 6IEABUG59

Squares and roots of 18368313909309

• 18368313909309 squared (18368313909309²) is 337394955870914478276857481
• 18368313909309 cubed (18368313909309³) is 6197376460854414661246392194850552190629
• The square root of 18368313909309 is 4285827.0974584357
• The cube root of 18368313909309 is 26384.9594411031

Scales and comparisons

• 18,368,313,909,309 seconds is equal to 584,055 years, 29 weeks, 2 days, 19 hours, 15 minutes, 9 seconds.
• To count from 1 to 18,368,313,909,309 would take you about one million, four hundred sixty thousand, one hundred thirty-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 18368313909309 cubic inches would be around 2198.7 feet tall.

Recreational maths with 18368313909309

• 18368313909309 backwards is 90390931386381
• 18368313909309 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18368313909309's digits is 63
• More coming soon!