21221148624768

Names of 21221148624768

• Cardinal: 21221148624768 can be written as Twenty-one trillion, two hundred twenty-one billion, one hundred forty-eight million, six hundred twenty-four thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1221148624768 × 10¹³

Factors of 21221148624768

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 99

Divisors of 21221148624768

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 41 48 53 54 64 72 82 96 106 108 123 128 144 159 164 192 212 216 246 288 318 328 369 384 424 432 477 492 576 636 656 738 848 864 954 984 1107 1152 1272 1312 1431 1476 1681 1696 1728 1908 1968 2173 2214 2544 2624 2862 2952 3362 3392 3456 3816 3936 4346 4428 5043 5088 5248 5724 5904 6519 6724 6784 7632 7872 8692 8856 10086 10176 11448 11808 13038 13448 15129 15264 15744 17384 17712 19557 20172 20352 22896 23616 26076 26896 30258 30528 34768 35424 39114 40344 45387 45792 47232 52152 53792 58671 60516 61056 68921 69536 70848 78228 80688 89093 90774 91584 104304 107584 117342 121032 137842 139072 141696 156456 161376 178186 181548 183168 206763 208608 215168 234684 242064 267279 275684 278144 312912 322752 356372 363096 413526 417216 469368 484128 534558 551368 620289 625824 645504 712744 726192 801837 827052 834432 938736 968256 1069116 1102736 1240578 1251648 1425488 1452384 1603674 1654104 1860867 1877472 1936512 2138232 2205472 2405511 2481156 2503296 2825761 2850976 2904768 3207348 3308208 3652813 3721734 3754944 4276464 4410944 4811022 4962312 5651522 5701952 5809536 6414696 6616416 7305626 7443468 7509888 8477283 8552928 8821888 9622044 9924624 10958439 11303044 11403904 12829392 13232832 14611252 14886936 16954566 17105856 19244088 19849248 21916878 22606088 25431849 25658784 26465664 29222504 29773872 32875317 33909132 34211712 38488176 39698496 43833756 45212176 50863698 51317568 58445008 59547744 65750634 67818264 76295547 76976352 79396992 87667512 90424352 98625951 101727396 102635136 115856201 116890016 119095488 131501268 135636528 149765333 152591094 153952704 175335024 180848704 197251902 203454792 231712402 233780032 238190976 263002536 271273056 299530666 305182188 307905408 347568603 350670048 361697408 394503804 406909584 449295999 463424804 467560064 526005072 542546112 599061332 610364376 695137206 701340096 789007608 813819168 898591998 926849608 1042705809 1052010144 1085092224 1198122664 1220728752 1347887997 1390274412 1402680192 1578015216 1627638336 1797183996 1853699216 2085411618 2104020288 2396245328 2441457504 2695775994 2780548824 3128117427 3156030432 3255276672 3594367992 3707398432 4043663991 4170823236 4208040576 4792490656 4882915008 5391551988 5561097648 6140378653 6256234854 6312060864 7188735984 7414796864 8087327982 8341646472 9584981312 9765830016 10783103976 11122195296 12280757306 12512469708 12624121728 14377471968 14829593728 16174655964 16683292944 18421135959 19169962624 21566207952 22244390592 24561514612 25024939416 28754943936 32349311928 33366585888 36842271918 43132415904 44488781184 49123029224 50049878832 55263407877 57509887872 64698623856 66733171776 73684543836 86264831808 98246058448 100099757664 110526815754 129397247712 133466343552 147369087672 165790223631 172529663616 196492116896 200199515328 221053631508 258794495424 294738175344 331580447262 392984233792 400399030656 442107263016 517588990848 589476350688 663160894524 785968467584 884214526032 1178952701376 1326321789048 1768429052064 2357905402752 2652643578096 3536858104128 5305287156192 7073716208256 10610574312384 21221148624768
• Sum of all divisors σ(n): 65408935384800
• Sum of proper divisors (its aliquot sum) s(n): 44187786760032
• 21221148624768 is an abundant number, because the sum of its proper divisors (44187786760032) is greater than itself. Its abundance is 22966638135264

Bases of 21221148624768

• Binary: 100110100110011101111000001101000011110000000₂
• Hexadecimal: 0x134CEF068780
• Base-36: 7ISUZZ6O0

Squares and roots of 21221148624768

• 21221148624768 squared (21221148624768²) is 450337148954492777663053824
• 21221148624768 cubed (21221148624768³) is 9556671569217576377719303046060763512832
• The square root of 21221148624768 is 4606641.7947098947
• The cube root of 21221148624768 is 27685.7501742413

Scales and comparisons

• 21,221,148,624,768 seconds is equal to 674,766 years, 46 weeks, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 21,221,148,624,768 would take you about one million, six hundred eighty-six thousand, nine hundred seventeen 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 21221148624768 cubic inches would be around 2307.1 feet tall.

Recreational maths with 21221148624768

• 21221148624768 backwards is 86742684112212
• 21221148624768 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21221148624768's digits is 54
• More coming soon!