21812632669728

Names of 21812632669728

• Cardinal: 21812632669728 can be written as Twenty-one trillion, eight hundred twelve billion, six hundred thirty-two million, six hundred sixty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1812632669728 × 10¹³

Factors of 21812632669728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 19618

Divisors of 21812632669728

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 53 54 58 72 87 96 106 108 116 144 159 174 212 216 232 261 288 318 348 424 432 464 477 522 636 696 783 841 848 864 928 954 1044 1272 1392 1431 1537 1566 1682 1696 1908 2088 2523 2544 2784 2862 3074 3132 3364 3816 4176 4611 5046 5088 5724 6148 6264 6728 7569 7632 8352 9222 10092 11448 12296 12528 13456 13833 15138 15264 18444 19531 20184 22707 22896 24389 24592 25056 26912 27666 30276 36888 39062 40368 41499 44573 45414 45792 48778 49184 55332 58593 60552 73167 73776 78124 80736 82998 89146 90828 97556 110664 117186 121104 133719 146334 147552 156248 165996 175779 178292 181656 195112 219501 221328 234372 242208 267438 292668 312496 331992 351558 356584 363312 390224 401157 439002 442656 468744 527337 534876 566399 585336 624992 658503 663984 703116 713168 726624 780448 802314 878004 937488 1035143 1054674 1069752 1132798 1170672 1203471 1292617 1317006 1327968 1406232 1426336 1604628 1699197 1756008 1874976 2070286 2109348 2139504 2265596 2341344 2406942 2585234 2634012 2812464 3105429 3209256 3398394 3512016 3877851 4140572 4218696 4279008 4531192 4813884 5097591 5170468 5268024 5624928 6210858 6418512 6796788 7024032 7755702 8281144 8437392 9062384 9316287 9627768 10195182 10340936 10536048 11633553 12421716 12837024 13593576 15292773 15511404 16425571 16562288 16874784 18124768 18632574 19255536 20390364 20681872 21072096 23267106 24843432 27187152 27948861 30019147 30585546 31022808 32851142 33124576 34900659 37265148 38511072 40780728 41363744 46534212 49276713 49686864 54374304 55897722 60038294 61171092 62045616 65702284 69801318 74530296 81561456 90057441 93068424 98553426 99373728 111795444 120076588 122342184 124091232 131404568 139602636 147830139 149060592 163122912 180114882 186136848 197106852 223590888 240153176 244684368 262809136 270172323 279205272 295660278 298121184 360229764 372273696 394213704 443490417 447181776 476341559 480306352 489368736 525618272 540344646 558410544 591320556 720459528 788427408 810516969 870555263 886980834 894363552 952683118 960612704 1080689292 1116821088 1182641112 1429024677 1440919056 1576854816 1621033938 1741110526 1773961668 1905366236 2161378584 2365282224 2611665789 2858049354 2881838112 3242067876 3482221052 3547923336 3810732472 4287074031 4322757168 4730564448 5223331578 5716098708 6484135752 6964442104 7095846672 7621464944 7834997367 8574148062 8645514336 10446663156 11432197416 12861222093 12968271504 13928884208 14191693344 15242929888 15669994734 17148296124 20893326312 22864394832 23504992101 25246102627 25722444186 25936543008 27857768416 31339989468 34296592248 41786652624 45728789664 47009984202 50492205254 51444888372 62679978936 68593184496 75738307881 83573305248 94019968404 100984410508 102889776744 125359957872 137186368992 151476615762 188039936808 201968821016 205779553488 227214923643 250719915744 302953231524 376079873616 403937642032 411559106976 454429847286 605906463048 681644770929 752159747232 807875284064 908859694572 1211812926096 1363289541858 1817719389144 2423625852192 2726579083716 3635438778288 5453158167432 7270877556576 10906316334864 21812632669728
• Sum of all divisors σ(n): 67138921785600
• Sum of proper divisors (its aliquot sum) s(n): 45326289115872
• 21812632669728 is an abundant number, because the sum of its proper divisors (45326289115872) is greater than itself. Its abundance is 23513656446144

Bases of 21812632669728

• Binary: 100111101011010100110001110001100111000100000₂
• Hexadecimal: 0x13D6A638CE20
• Base-36: 7QCL2B0O0

Squares and roots of 21812632669728

• 21812632669728 squared (21812632669728²) is 475790943984485256727593984
• 21812632669728 cubed (21812632669728³) is 10378253088716707947265873836063951716352
• The square root of 21812632669728 is 4670399.6263411977
• The cube root of 21812632669728 is 27940.6193409199

Scales and comparisons

• 21,812,632,669,728 seconds is equal to 693,574 years, 12 weeks, 6 days, 6 hours, 28 minutes, 48 seconds.
• To count from 1 to 21,812,632,669,728 would take you about one million, seven hundred thirty-three thousand, nine hundred thirty-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 21812632669728 cubic inches would be around 2328.4 feet tall.

Recreational maths with 21812632669728

• 21812632669728 backwards is 82796623621812
• The number of decimal digits it has is: 14
• The sum of 21812632669728's digits is 63
• More coming soon!