21684196921842

Names of 21684196921842

• Cardinal: 21684196921842 can be written as Twenty-one trillion, six hundred eighty-four billion, one hundred ninety-six million, nine hundred twenty-one thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 2.1684196921842 × 10¹³

Factors of 21684196921842

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3358

Divisors of 21684196921842

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 37 39 42 49 63 74 78 91 98 111 117 126 127 147 182 222 234 254 259 273 294 333 381 441 481 518 546 637 666 762 777 819 882 889 962 1143 1274 1443 1554 1638 1651 1778 1813 1911 2286 2331 2667 2886 3169 3302 3367 3626 3822 4329 4662 4699 4953 5334 5439 5733 6223 6338 6734 8001 8658 9398 9507 9906 10101 10878 11466 11557 12446 14097 14859 16002 16129 16317 18669 19014 20202 22183 23114 23569 28194 28521 29718 30303 32258 32634 32893 34671 37338 41197 42291 44366 47138 48387 56007 57042 60606 61087 65786 66549 69342 70707 80899 82394 84582 96774 98679 104013 112014 112903 117253 122174 123591 133098 141414 145161 155281 161798 183261 197358 199647 208026 209677 212121 225806 230251 234506 242697 247182 288379 290322 296037 310562 338709 351759 366522 370773 399294 402463 419354 424242 427609 460502 465843 485394 549783 576758 592074 596773 629031 677418 690753 703518 728091 741546 790321 804926 820771 855218 865137 931686 1016127 1055277 1099566 1193546 1207389 1258062 1282827 1381506 1397529 1456182 1467739 1524289 1580642 1641542 1730274 1790319 1887093 2018653 2032254 2072259 2110554 2370963 2414778 2462313 2565654 2595411 2795058 2817241 2935478 2993263 3048578 3580638 3622167 3774186 3848481 4037306 4144518 4177411 4403217 4572867 4741926 4924626 5190822 5232019 5370957 5634482 5745397 5986526 6055959 7112889 7244334 7386939 7696962 7758049 8354822 8451723 8806434 8979789 9145734 10274173 10464038 10670023 10741914 11490794 12111918 12532233 13209651 13718601 14225778 14773878 14891131 15516098 15696057 16903446 17236191 17959578 18167877 19720687 20548346 21340046 23274147 25064466 25355169 26419302 26939367 27437202 29241877 29782262 30822519 31392114 32010069 34472382 36335754 36624133 37596699 39441374 44673393 46548294 47088171 50710338 51112801 51708573 53878734 54306343 58483754 59162061 61645038 64020138 69822441 73248266 74690161 75193398 87725631 89346786 92467557 94176342 96030207 102225602 103417146 104237917 108612686 109872399 118324122 134020179 139644882 149380322 153338403 162919029 175451262 177486183 184935114 192060414 193584703 208475834 219744798 224070483 256368931 263176893 268040358 306676806 312713751 325838058 329617197 354972366 357789607 380144401 387169406 448140966 460015209 488757087 512737862 526353786 580754109 625427502 659234394 664466413 672211449 715579214 729665419 760288802 769106793 920030418 938141253 977514174 1073368821 1140433203 1161508218 1328932826 1344422898 1355092921 1459330838 1538213586 1742262327 1876282506 1891173637 1993399239 2146737642 2188996257 2280866406 2307320379 2504527249 2710185842 3220106463 3421299609 3484524654 3782347274 3986798478 4065278763 4377992514 4614640758 4651264891 5009054498 5673520911 5980197717 6440212926 6566988771 6842599218 7513581747 8130557526 9302529782 9485650447 11347041822 11960395434 12195836289 13133977542 13238215459 13953794673 15027163494 17020562733 18971300894 22540745241 24391672578 24585257281 26476430918 27907589346 28456951341 32558854237 34041125466 39714646377 41861384019 45081490482 49170514562 56913902682 65117708474 73755771843 79429292754 83722768038 85370854023 92667508213 97676562711 119143939131 147511543686 170741708046 172096800967 185335016426 195353125422 221267315529 238287878262 278002524639 293029688133 344193601934 442534631058 516290402901 556005049278 586059376266 834007573917 1032580805802 1204677606769 1548871208703 1668015147834 2409355213538 3097742417406 3614032820307 7228065640614 10842098460921 21684196921842
• Sum of all divisors σ(n): 60946779642840
• Sum of proper divisors (its aliquot sum) s(n): 39262582720998
• 21684196921842 is an abundant number, because the sum of its proper divisors (39262582720998) is greater than itself. Its abundance is 17578385799156

Bases of 21684196921842

• Binary: 100111011100010111110110110101101000111110010₂
• Hexadecimal: 0x13B8BEDAD1F2
• Base-36: 7OPKYZ7CI

Squares and roots of 21684196921842

• 21684196921842 squared (21684196921842²) is 470204396145222067856672964
• 21684196921842 cubed (21684196921842³) is 10196004719528800734233197936408062479688
• The square root of 21684196921842 is 4656629.3519929197
• The cube root of 21684196921842 is 27885.6719645571

Scales and comparisons

• 21,684,196,921,842 seconds is equal to 689,490 years, 20 weeks, 1 day, 9 hours, 50 minutes, 42 seconds.
• To count from 1 to 21,684,196,921,842 would take you about one million, seven hundred twenty-three thousand, seven hundred twenty-five 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 21684196921842 cubic inches would be around 2323.8 feet tall.

Recreational maths with 21684196921842

• 21684196921842 backwards is 24812969148612
• 21684196921842 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21684196921842's digits is 63
• More coming soon!