221018172144

Names of 221018172144

• Cardinal: 221018172144 can be written as Two hundred twenty-one billion, eighteen million, one hundred seventy-two thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.21018172144 × 10¹¹

Factors of 221018172144

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 79

Divisors of 221018172144

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 19 21 22 24 28 33 37 38 42 44 48 56 57 66 74 76 77 84 88 111 112 114 121 132 133 148 152 154 168 176 209 222 228 231 242 259 264 266 296 304 308 336 361 363 399 407 418 444 456 462 484 518 528 532 592 616 627 703 722 726 777 798 814 836 847 888 912 924 968 1036 1064 1083 1221 1232 1254 1331 1369 1406 1444 1452 1463 1554 1596 1628 1672 1694 1776 1848 1936 2072 2109 2128 2166 2299 2442 2508 2527 2541 2662 2738 2812 2849 2888 2904 2926 3108 3192 3256 3344 3388 3696 3971 3993 4107 4144 4218 4332 4389 4477 4598 4884 4921 5016 5054 5082 5324 5476 5624 5698 5776 5808 5852 6216 6384 6512 6776 6897 7581 7733 7942 7986 8214 8436 8547 8664 8778 8954 9196 9317 9583 9768 9842 10032 10108 10164 10648 10952 11248 11396 11704 11913 12432 13357 13431 13552 13794 14763 15059 15162 15466 15884 15972 16093 16428 16872 17094 17328 17556 17908 18392 18634 19166 19536 19684 20216 20328 21296 21904 22792 23199 23408 23826 25289 26011 26714 26862 27588 27797 27951 28749 29526 30118 30324 30932 31339 31768 31944 32186 32856 33744 34188 35112 35816 36784 37268 38332 39368 40071 40432 40656 43681 45177 45584 46398 47652 48279 49247 50578 52022 53428 53724 54131 55176 55594 55902 57498 59052 60236 60648 61864 62678 63536 63888 64372 65712 68376 70224 71632 74536 75867 76664 78033 78736 80142 83391 85063 87362 90354 92796 93499 94017 95304 96558 98494 101156 104044 105413 106856 107448 108262 110352 111188 111804 114996 118104 120472 121296 123728 125356 128744 131043 136752 146927 147741 149072 151734 153328 156066 160284 162393 165649 166782 170126 174724 177023 180708 182077 185592 186998 188034 190608 193116 196988 202312 208088 210826 213712 214896 216524 222376 223608 229992 236208 240944 250712 255189 257488 262086 280497 286121 293854 295482 303468 305767 312132 316239 320568 324786 331298 333564 340252 344729 349448 354046 361416 364154 371184 373996 376068 386232 393976 404624 416176 421652 433048 440781 444752 447216 459984 480491 494209 496947 501424 510378 524172 531069 546231 560994 572242 587708 590964 595441 606936 611534 624264 632478 641136 649572 662596 667128 680504 689458 698896 708092 722832 728308 747992 752136 772464 787952 843304 858363 866096 881562 917301 935693 960982 988418 993894 1020756 1028489 1034187 1048344 1062138 1092462 1121988 1144484 1159543 1175416 1181928 1190882 1213872 1223068 1248528 1264956 1299144 1325192 1334256 1361008 1378916 1416184 1441473 1456616 1482627 1495984 1504272 1616197 1686608 1716726 1763124 1786323 1822139 1834602 1871386 1921964 1976836 1987788 2002847 2041512 2056978 2068374 2096688 2124276 2184924 2243976 2288968 2319086 2350832 2363856 2381764 2446136 2529912 2598288 2650384 2757832 2807079 2832368 2882946 2913232 2965254 3085467 3147331 3232394 3363437 3433452 3459463 3478629 3526248 3572646 3644278 3669204 3742772 3843928 3953672 3975576 4005694 4083024 4113956 4136748 4248552 4369848 4487952 4577936 4638172 4763528 4848591 4892272 5059824 5436299 5466417 5515664 5614158 5765892 5930508 6008541 6170934 6294662 6464788 6549851 6726874 6866904 6918926 6957258 7052496 7145292 7288556 7338408 7485544 7687856 7907344 7951152 8011388 8227912 8273496 8497104 8739696 9276344 9441993 9527056 9697182 10090311 10378389 10872598 10932834 11228316 11313379 11531784 11861016 12017082 12341868 12589324 12754973 12929576 13099702 13453748 13733808 13837852 13914516 14290584 14577112 14676816 14971088 16022776 16308897 16455824 16546992 17778167 18552688 18883986 19394364 19649553 20180622 20756778 21745196 21865668 22031317 22456632 22626758 23063568 23722032 24034164 24683736 25178648 25509946 25859152 26199404 26907496 27675704 27829032 28581168 29154224 32045552 32617794 33940137 34620641 35556334 37767972 38054093 38264919 38788728 39299106 40361244 41513556 43490392 43731336 44062634 44913264 45253516 48068328 49367472 50357296 51019892 52398808 53334501 53814992 55351408 55658064 59799289 65235588 66093951 67880274 69241282 71112668 75535944 76108186 76529838 77577456 78598212 80722488 83027112 86980784 87462672 88125268 90507032 96136656 102039784 103861923 104797616 106669002 114162279 119598578 124447169 130471176 132187902 135760548 138482564 142225336 151071888 152216372 153059676 157196424 161444976 166054224 176250536 179397867 181014064 204079568 207723846 213338004 228324558 239197156 242344487 248894338 260942352 264375804 271521096 276965128 284450672 304432744 306119352 314392848 352501072 358795734 373341507 415447692 418595023 426676008 456649116 478394312 484688974 497788676 528751608 543042192 553930256 608865488 612238704 657792179 717591468 727033461 746683014 830895384 837190046 853352016 913298232 956788624 969377948 995577352 1057503216 1255785069 1315584358 1435182936 1454066922 1493366028 1661790768 1674380092 1826596464 1938755896 1973376537 1991154704 2511570138 2631168716 2870365872 2908133844 2986732056 3348760184 3877511792 3946753074 4604545253 5023140276 5262337432 5816267688 5973464112 6697520368 7893506148 9209090506 10046280552 10524674864 11632535376 13813635759 15787012296 18418181012 20092561104 27627271518 31574024592 36836362024 55254543036 73672724048 110509086072 221018172144
• Sum of all divisors σ(n): 778523671296
• Sum of proper divisors (its aliquot sum) s(n): 557505499152
• 221018172144 is an abundant number, because the sum of its proper divisors (557505499152) is greater than itself. Its abundance is 336487327008

Bases of 221018172144

• Binary: 11001101110101101101011010101011110000₂
• Hexadecimal: 0x3375B5AAF0
• Base-36: 2TJ8IH2O

Squares and roots of 221018172144

• 221018172144 squared (221018172144²) is 48849032417874817556736
• 221018172144 cubed (221018172144³) is 10796523856001692969397270734761984
• The square root of 221018172144 is 470125.6982382477
• The cube root of 221018172144 is 6046.1093045289

Scales and comparisons

• 221,018,172,144 seconds is equal to 7,027 years, 36 weeks, 16 hours, 42 minutes, 24 seconds.
• To count from 1 to 221,018,172,144 would take you about fourteen thousand and fifty-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 221018172144 cubic inches would be around 503.8 feet tall.

Recreational maths with 221018172144

• 221018172144 backwards is 441271810122
• 221018172144 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 221018172144's digits is 33
• More coming soon!