21454263684

Names of 21454263684

• Cardinal: 21454263684 can be written as Twenty-one billion, four hundred fifty-four million, two hundred sixty-three thousand, six hundred eighty-four.

Scientific notation

• Scientific notation: 2.1454263684 × 10¹⁰

Factors of 21454263684

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 328

Divisors of 21454263684

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 29 36 41 42 49 53 58 63 82 84 87 98 106 116 123 126 147 159 164 174 193 196 203 212 246 252 261 287 294 318 348 369 371 386 406 441 477 492 522 574 579 588 609 636 738 742 772 812 861 882 954 1044 1113 1148 1158 1189 1218 1351 1421 1476 1484 1537 1722 1737 1764 1827 1908 2009 2173 2226 2316 2378 2436 2583 2597 2702 2842 3074 3339 3444 3474 3567 3654 4018 4053 4263 4346 4452 4611 4756 5166 5194 5404 5597 5684 6027 6148 6519 6678 6948 7134 7308 7791 7913 8036 8106 8323 8526 8692 9222 9457 10229 10332 10388 10701 10759 11194 12054 12159 12789 13038 13356 13833 14268 15211 15582 15826 16212 16646 16791 17052 18081 18444 18914 19557 20458 21402 21518 22388 23373 23739 24108 24318 24969 25578 26076 27666 28371 30422 30687 31164 31652 32277 33292 33582 36162 37828 39114 39179 40916 42804 43036 45633 46746 47478 48636 49938 50373 51156 55332 55391 56742 58261 60844 61374 63017 64554 67164 71217 71603 72324 74907 75313 78228 78358 85113 91266 92061 93492 94956 96831 99876 100746 106477 110782 113484 116522 117537 122748 126034 129108 136899 142434 143206 149814 150626 156716 166173 170226 174783 182532 184122 189051 193662 201492 212954 214809 221564 225939 229477 233044 235074 252068 273798 274253 284868 286412 296641 299628 301252 319431 332346 340452 349566 352611 368244 378102 387324 387737 419389 425908 429618 441119 451878 458954 470148 498519 501221 524349 547596 548506 567153 593282 638862 644427 664692 677817 688431 699132 705222 756204 775474 822759 838778 859236 882238 889923 903756 917908 958293 997038 1002442 1048698 1097012 1134306 1163211 1186564 1258167 1277724 1288854 1323357 1355634 1376862 1410444 1503663 1550948 1606339 1645518 1677556 1764476 1779846 1916586 1994076 2004884 2065293 2076487 2097396 2268612 2326422 2468277 2516334 2577708 2646714 2669769 2711268 2753724 2935723 3007326 3087833 3212678 3291036 3489633 3559692 3774501 3833172 3970071 4130586 4152974 4510989 4652844 4819017 4936554 5032668 5293428 5339538 5871446 6014652 6175666 6229461 6425356 6979266 7549002 7940142 8261172 8305948 8807169 9021978 9263499 9638034 9873108 10679076 11244373 11742892 12162281 12351332 12458922 13958532 14457051 14535409 15098004 15880284 17614338 18043956 18526998 18688383 19276068 20550061 22488746 24324562 24917844 26421507 27790497 28914102 29070818 33733119 35228676 36486843 37053996 37376766 41100122 43606227 44977492 48649124 52843014 55580994 57828204 58141636 61650183 67466238 72973686 74753532 82200244 85135967 87212454 101199357 105686028 109460529 111161988 123300366 130818681 134932476 145947372 170271934 174424908 184950549 202398714 218921058 246600732 255407901 261637362 340543868 369901098 404797428 437842116 510815802 523274724 595951769 739802196 766223703 1021631604 1191903538 1532447406 1787855307 2383807076 3064894812 3575710614 5363565921 7151421228 10727131842 21454263684
• Sum of all divisors σ(n): 68467155120
• Sum of proper divisors (its aliquot sum) s(n): 47012891436
• 21454263684 is an abundant number, because the sum of its proper divisors (47012891436) is greater than itself. Its abundance is 25558627752

Bases of 21454263684

• Binary: 10011111110110001100001010110000100₂
• Hexadecimal: 0x4FEC61584
• Base-36: 9UTBBT0

Squares and roots of 21454263684

• 21454263684 squared (21454263684²) is 460285430222601251856
• 21454263684 cubed (21454263684³) is 9875084989899070073707118397504
• The square root of 21454263684 is 146472.7404126789
• The cube root of 21454263684 is 2778.6757526801

Scales and comparisons

• 21,454,263,684 seconds is equal to 682 years, 9 weeks, 2 days, 5 hours, 41 minutes, 24 seconds.
• To count from 1 to 21,454,263,684 would take you about one thousand, three hundred sixty-four 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 21454263684 cubic inches would be around 231.6 feet tall.

Recreational maths with 21454263684

• 21454263684 backwards is 48636245412
• The number of decimal digits it has is: 11
• The sum of 21454263684's digits is 45
• More coming soon!