18793890409428

Names of 18793890409428

• Cardinal: 18793890409428 can be written as Eighteen trillion, seven hundred ninety-three billion, eight hundred ninety million, four hundred nine thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8793890409428 × 10¹³

Factors of 18793890409428

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 280

Divisors of 18793890409428

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 9 12 18 19 27 29 36 38 54 57 58 76 81 87 108 114 116 162 171 174 227 228 243 261 324 342 348 454 486 513 522 551 681 684 729 783 908 972 1026 1044 1102 1362 1458 1539 1566 1653 2043 2052 2204 2349 2724 2916 3078 3132 3306 4086 4313 4617 4698 4959 6129 6156 6583 6612 7047 8172 8626 9234 9396 9918 12258 12939 13166 13851 14094 14877 17252 18387 18468 19749 19836 21141 24516 25878 26332 27702 28188 29754 36774 38817 39498 42282 44631 51529 51756 55161 55404 59247 59508 73548 77634 78996 84564 89262 103058 110322 116451 118494 125077 133893 154587 155268 165483 177741 178524 206116 220644 232902 236988 250154 267786 309174 330966 349353 355482 375231 401679 463761 465804 500308 533223 535572 618348 661932 698706 710964 750462 803358 927522 979051 1048059 1066446 1125693 1391283 1397412 1494341 1500924 1599669 1606716 1855044 1958102 2096118 2132892 2251386 2782566 2937153 2988682 3144177 3199338 3377079 3916204 4173849 4192236 4483023 4502772 4799007 5565132 5874306 5977364 6288354 6398676 6754158 8347698 8811459 8966046 9598014 10131237 11697083 11748612 12521547 12576708 13449069 13508316 16695396 17622918 17932092 19196028 20262474 23394166 25043094 26434377 26898138 28392479 30393711 35091249 35245836 37564641 40347207 40524948 46788332 50086188 52868754 53796276 56784958 60787422 70182498 75129282 79303131 80694414 85177437 91181133 105273747 105737508 113569916 121041621 121574844 140364996 150258564 158606262 161388828 170354874 182362266 210547494 222244577 237909393 242083242 255532311 315821241 317212524 339215407 340709748 363124863 364724532 421094988 444489154 475818786 484166484 511064622 631642482 666733731 678430814 713728179 726249726 766596933 888978308 947463723 951637572 1017646221 1022129244 1089374589 1263284964 1333467462 1356861628 1427456358 1452499452 1533193866 1894927446 2000201193 2035292442 2178749178 2299790799 2666934924 2842391169 2854912716 3052938663 3066387732 3789854892 4000402386 4070584884 4357498356 4599581598 5684782338 6000603579 6105877326 6445092733 6899372397 8000804772 8527173507 9158815989 9199163196 11369564676 12001207158 12211754652 12890185466 13798744794 17054347014 18001810737 18317631978 19335278199 20698117191 24002414316 25780370932 27476447967 27597489588 34108694028 36003621474 36635263956 38670556398 41396234382 54005432211 54952895934 58005834597 72007242948 77341112796 82429343901 82792468764 108010864422 109905791868 116011669194 162016296633 164858687802 174017503791 216021728844 232023338388 247288031703 324032593266 329717375604 348035007582 494576063406 522052511373 648065186532 696070015164 989152126812 1044105022746 1566157534119 2088210045492 3132315068238 4698472602357 6264630136476 9396945204714 18793890409428
• Sum of all divisors σ(n): 53934224904000
• Sum of proper divisors (its aliquot sum) s(n): 35140334494572
• 18793890409428 is an abundant number, because the sum of its proper divisors (35140334494572) is greater than itself. Its abundance is 16346444085144

Bases of 18793890409428

• Binary: 100010001011111001011001010010110101111010100₂
• Hexadecimal: 0x1117CB296BD4
• Base-36: 6NTSL3T90

Squares and roots of 18793890409428

• 18793890409428 squared (18793890409428²) is 353210316721589757471287184
• 18793890409428 cubed (18793890409428³) is 6638195983944912081729100716459929170752
• The square root of 18793890409428 is 4335192.0844903747
• The cube root of 18793890409428 is 26587.1771960339

Scales and comparisons

• 18,793,890,409,428 seconds is equal to 597,587 years, 30 weeks, 1 day, 17 hours, 43 minutes, 48 seconds.
• To count from 1 to 18,793,890,409,428 would take you about one million, four hundred ninety-three thousand, nine hundred sixty-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 18793890409428 cubic inches would be around 2215.6 feet tall.

Recreational maths with 18793890409428

• 18793890409428 backwards is 82490409839781
• The number of decimal digits it has is: 14
• The sum of 18793890409428's digits is 72
• More coming soon!