18293380217840

Names of 18293380217840

• Cardinal: 18293380217840 can be written as Eighteen trillion, two hundred ninety-three billion, three hundred eighty million, two hundred seventeen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.829338021784 × 10¹³

Factors of 18293380217840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 217583

Divisors of 18293380217840

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 49 52 56 65 70 80 91 98 104 112 127 130 140 169 182 196 208 245 254 260 280 338 364 392 455 490 508 520 560 635 637 676 728 784 845 889 910 980 1016 1040 1183 1270 1274 1352 1456 1651 1690 1778 1820 1960 2032 2366 2540 2548 2704 3185 3302 3380 3556 3640 3920 4445 4732 5080 5096 5915 6223 6370 6604 6760 7112 7280 8255 8281 8890 9464 10160 10192 11557 11830 12446 12740 13208 13520 14224 16510 16562 17780 18928 21463 23114 23660 24892 25480 26416 31115 33020 33124 35560 41405 42926 46228 47320 49784 50960 57785 62230 66040 66248 71120 80899 82810 85852 92456 94640 99568 107315 115570 124460 132080 132496 150241 161798 165620 171704 184912 214630 217429 231140 248920 300482 323596 331240 343408 404495 429260 434858 462280 497840 600964 647192 662480 751205 808990 858520 869716 924560 1051687 1087145 1201928 1294384 1502410 1522003 1617980 1717040 1739432 2103374 2174290 2403856 2826577 3004820 3044006 3235960 3478864 4206748 4348580 5258435 5653154 6009640 6088012 6471920 7610015 8413496 8697160 10516870 10654021 11306308 12019280 12176024 14132885 15220030 16826992 17394320 19786039 21033740 21308042 22612616 24352048 27613483 28265770 30440060 36745501 39572078 42067480 42616084 45225232 53270105 55226966 56531540 60880120 73491002 79144156 84134960 85232168 98930195 106540210 110453932 113063080 121760240 138067415 138502273 146982004 158288312 170464336 183727505 193294381 197860390 213080420 220907864 226126160 257218507 276134830 277004546 293964008 316576624 358975279 367455010 386588762 395720780 426160840 441815728 514437014 552269660 554009092 587928016 692511365 717950558 734910020 773177524 791441560 852321680 966471905 1028874028 1104539320 1108018184 1286092535 1353060667 1385022730 1435901116 1469820040 1546355048 1582883120 1794876395 1800529549 1932943810 2057748056 2209078640 2216036368 2512826953 2572185070 2706121334 2770045460 2871802232 2939640080 3092710096 3589752790 3601059098 3865887620 4115496112 4666678627 5025653906 5144370140 5412242668 5540090920 5743604464 6765303335 7179505580 7202118196 7731775240 9002647745 9333357254 10051307812 10288740280 10824485336 11080181840 12564134765 13530606670 14359011160 14404236392 15463550480 17589788671 18005295490 18666714508 20102615624 20577480560 21648970672 23333393135 25128269530 27061213340 28718022320 28808472784 32666750389 35179577342 36010590980 37333429016 40205231248 46666786270 50256539060 54122426680 65333500778 70359154684 72021181960 74666858032 87948943355 93333572540 100513078120 108244853360 130667001556 140718309368 144042363920 163333751945 175897886710 186667145080 201026156240 228667252723 261334003112 281436618736 326667503890 351795773420 373334290160 457334505446 522668006224 653335007780 703591546840 914669010892 1143336263615 1306670015560 1407183093680 1829338021784 2286672527230 2613340031120 3658676043568 4573345054460 9146690108920 18293380217840
• Sum of all divisors σ(n): 53996837552640
• Sum of proper divisors (its aliquot sum) s(n): 35703457334800
• 18293380217840 is an abundant number, because the sum of its proper divisors (35703457334800) is greater than itself. Its abundance is 17410077116960

Bases of 18293380217840

• Binary: 100001010001101000010011011011111101111110000₂
• Hexadecimal: 0x10A3426DFBF0
• Base-36: 6HFV29DRK

Squares and roots of 18293380217840

• 18293380217840 squared (18293380217840²) is 334647759794459845854265600
• 18293380217840 cubed (18293380217840³) is 6121838708968443848578638062621218304000
• The square root of 18293380217840 is 4277076.1295352227
• The cube root of 18293380217840 is 26349.0313188589

Scales and comparisons

• 18,293,380,217,840 seconds is equal to 581,672 years, 47 weeks, 16 hours, 57 minutes, 20 seconds.
• To count from 1 to 18,293,380,217,840 would take you about one million, four hundred fifty-four thousand, one hundred eighty-two 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 18293380217840 cubic inches would be around 2195.8 feet tall.

Recreational maths with 18293380217840

• 18293380217840 backwards is 04871208339281
• 18293380217840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18293380217840's digits is 56
• More coming soon!