221397396066

Names of 221397396066

• Cardinal: 221397396066 can be written as Two hundred twenty-one billion, three hundred ninety-seven million, three hundred ninety-six thousand and sixty-six.

Scientific notation

• Scientific notation: 2.21397396066 × 10¹¹

Factors of 221397396066

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 150

Divisors of 221397396066

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 23 27 31 33 42 46 54 62 63 66 69 73 77 81 93 99 121 126 138 146 154 161 162 186 189 198 207 217 219 231 242 253 279 297 322 341 363 378 414 434 438 462 483 506 511 558 567 594 621 651 657 682 693 713 726 759 803 837 847 891 961 966 1022 1023 1089 1134 1242 1302 1314 1386 1426 1449 1518 1533 1606 1674 1679 1694 1771 1782 1863 1922 1953 1971 2046 2079 2139 2178 2263 2277 2387 2409 2511 2541 2783 2883 2898 3066 3069 3267 3358 3542 3726 3751 3906 3942 4158 4278 4347 4526 4554 4599 4774 4818 4991 5022 5037 5082 5313 5566 5621 5766 5859 5913 6138 6237 6417 6534 6727 6789 6831 7161 7227 7502 7623 7843 8349 8649 8694 8833 9198 9207 9801 9982 10074 10571 10626 11242 11253 11718 11753 11826 12474 12834 13041 13454 13578 13662 13797 14322 14454 14973 15111 15246 15686 15841 15939 16698 16863 17298 17577 17666 18414 18469 19251 19481 19602 20181 20367 20493 21142 21483 21681 22103 22506 22869 23506 23529 24893 25047 25947 26082 26257 26499 27594 27621 29946 30222 31682 31713 31878 33726 33759 35154 35259 36938 38502 38962 40362 40734 40986 41391 42966 43362 44206 44919 45333 45738 47058 47523 47817 49786 50094 50589 51894 52049 52514 52998 54901 55242 55407 57753 58443 60543 61101 61831 63426 64449 65043 66309 67518 68607 70153 70518 70587 73997 74679 75141 77841 78771 79497 82782 86273 89838 90666 95046 95139 95634 101178 101277 104098 105777 109802 110814 115506 116281 116886 121086 122202 123662 128898 129283 130086 132618 134757 135999 137214 140306 141174 142569 143451 147994 149358 150282 151767 154721 155682 156147 157542 158994 164703 166221 172546 174251 175329 181629 183303 185493 190278 193347 198927 202554 203159 210459 211554 211761 221991 224037 225423 232562 236313 238491 243133 258566 258819 269514 271998 273823 285138 285417 286902 303534 303831 309442 312294 317331 329406 332442 348502 348843 350658 363258 364343 366606 370986 386694 387849 397854 404271 406318 420918 423522 427707 443982 448074 450846 455301 464163 468441 472626 476982 486266 491071 494109 498663 517638 522753 525987 544887 547646 556479 570834 572539 596781 603911 607662 609477 631377 634662 635283 665973 672111 697686 708939 715473 728686 729399 771683 775698 776457 808542 813967 821469 855414 856251 910602 928326 936882 951993 982142 988218 997326 1045506 1046529 1051974 1089774 1093029 1112958 1145078 1163547 1193562 1207822 1218954 1262754 1270566 1283121 1331946 1344222 1392489 1405323 1417878 1422113 1430946 1458798 1473213 1482327 1495989 1543366 1552914 1568259 1577961 1613519 1627934 1642938 1669437 1701931 1712502 1717617 1790343 1811733 1828431 1894131 1903986 1916761 1997919 2016333 2093058 2126817 2186058 2188197 2315049 2327094 2329371 2441901 2464407 2566242 2674463 2784978 2810646 2844226 2946426 2964654 2991978 3136518 3139587 3155922 3227038 3279087 3338874 3403862 3435234 3490641 3580686 3623466 3656862 3788262 3833522 3995838 4007773 4032666 4177467 4215969 4253634 4266339 4376394 4419639 4446981 4630098 4658742 4704777 4840557 4883802 4928814 5008311 5105793 5152851 5348926 5401781 5435199 5485293 5682393 5750283 5993757 6279174 6297929 6558174 6564591 6945147 6981282 6988113 7325703 7393221 8015546 8023389 8354934 8431938 8488513 8532678 8839278 8893962 9409554 9418761 9681114 9837261 10016622 10211586 10305702 10471923 10803562 10870398 10970586 11294633 11364786 11500566 11987514 12023319 12532401 12595858 12799017 13129182 13258917 13890294 13976226 14114331 14521671 14651406 14786442 15317379 15458553 16046778 16205343 16305597 16455879 16977026 17250849 17748709 18721241 18837522 18893787 19674522 19693773 20835441 20943846 21977109 22179663 22589266 24046638 24070167 25064802 25465539 25598034 26517834 28228662 29043342 29511783 30634758 30917106 32410686 32611194 32911758 33883899 34501698 35497418 36069957 37442482 37787574 38397051 39387546 39776751 41670882 43565013 43954218 44085503 44359326 45952137 46375659 48140334 48616029 48916791 50931078 51752547 53246127 56163723 56681361 59023566 59419591 62506323 65931327 67767798 72139914 72210501 76396617 76794102 79553502 87130026 88171006 91904274 92751318 97232058 97833582 101651697 103505094 106492254 108209871 112327446 113362722 115191153 118839182 124240963 125012646 130695039 131862654 132256509 137856411 144421002 145848087 152793234 155257641 159738381 168491169 170044083 178258773 195235799 203303394 216419742 216631503 229189851 230382306 248481926 261390078 264513018 275712822 291696174 304955091 310515282 319476762 324629613 336982338 340088166 356517546 372722889 390471598 396769527 433263006 437544261 458379702 479215143 505473507 510132249 534776319 585707397 609910182 649259226 687569553 745445778 793539054 875088522 914865273 958430286 1010947014 1020264498 1069552638 1118168667 1171414794 1190308581 1366650593 1375139106 1437645429 1516420521 1604328957 1757122191 1829730546 2236337334 2380617162 2733301186 2875290858 3032841042 3208657914 3354506001 3514244382 3570925743 4099951779 4812986871 5271366573 6709012002 7141851486 8199903558 9625973742 10063518003 10542733146 12299855337 15814099719 20127036006 24599710674 31628199438 36899566011 73799132022 110698698033 221397396066
• Sum of all divisors σ(n): 681146395776
• Sum of proper divisors (its aliquot sum) s(n): 459748999710
• 221397396066 is an abundant number, because the sum of its proper divisors (459748999710) is greater than itself. Its abundance is 238351603644

Bases of 221397396066

• Binary: 11001110001100010100000010101001100010₂
• Hexadecimal: 0x338C502A62
• Base-36: 2TPIAK4I

Squares and roots of 221397396066

• 221397396066 squared (221397396066²) is 49016806984805272276356
• 221397396066 cubed (221397396066³) is 10852193429905608110053358739215496
• The square root of 221397396066 is 470528.8472198065
• The cube root of 221397396066 is 6049.5653087131

Scales and comparisons

• 221,397,396,066 seconds is equal to 7,039 years, 39 weeks, 20 hours, 41 minutes, 6 seconds.
• To count from 1 to 221,397,396,066 would take you about fourteen thousand and seventy-nine 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 221397396066 cubic inches would be around 504.1 feet tall.

Recreational maths with 221397396066

• 221397396066 backwards is 660693793122
• 221397396066 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 221397396066's digits is 54
• More coming soon!