21821315294331

Names of 21821315294331

• Cardinal: 21821315294331 can be written as Twenty-one trillion, eight hundred twenty-one billion, three hundred fifteen million, two hundred ninety-four thousand, three hundred thirty-one.

Scientific notation

• Scientific notation: 2.1821315294331 × 10¹³

Factors of 21821315294331

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1135

Divisors of 21821315294331

• Number of divisors d(n): 252
• Complete list of divisors:
  1 3 7 9 19 21 27 57 63 81 109 133 171 189 243 327 361 399 513 567 729 763 981 997 1083 1197 1539 1701 2071 2289 2527 2943 2991 3249 3591 4617 5103 6213 6867 6979 7581 8829 8973 9747 10773 11881 13851 14497 18639 18943 20601 20937 22743 26487 26919 29241 32319 35643 39349 43491 55917 56829 61803 62811 68229 79461 80757 83167 87723 96957 106929 108673 118047 130473 132601 167751 170487 185409 188433 204687 225739 242271 249501 263169 275443 320787 326019 354141 359917 391419 397803 503253 511461 556227 565299 614061 677217 726813 748503 760711 826329 962361 978057 1062423 1079751 1174257 1193409 1509759 1534383 1580173 1695897 1842183 2031651 2064787 2245509 2282133 2478987 2519419 2887083 2934171 3187269 3239253 3522771 3580227 4289041 4603149 4740519 5087691 6094953 6194361 6736527 6846399 7436961 7558257 8661249 8802513 9561807 9717759 10568313 10740681 11845357 12867123 13809447 14221557 14453509 18284859 18583083 20209581 20539197 22310883 22674771 26407539 28685421 29153277 30023287 32222043 35536071 38601369 39230953 42664671 43360527 54854577 55749249 60628743 61617591 66932649 68024313 79222617 82917499 87459831 90069861 96666129 106608213 115804107 117692859 127994013 130081581 164563731 167247747 184852773 200797947 204072939 225061783 248752497 262379493 270209583 274616671 319824639 347412321 353078577 383982039 390244743 501743241 554558319 612218817 675185349 746257491 810628749 823850013 959473917 1042236963 1059235731 1151946117 1170734229 1505229723 1575432481 1836656451 2025556047 2238772473 2431886247 2471550039 2878421751 3126710889 3177707193 3512202687 4276173877 4726297443 6076668141 6716317419 7295658741 7414650117 8635265253 9533121579 10536608061 12828521631 14178892329 18230004423 20148952257 21886976223 22243950351 28599364737 29933217139 38485564893 42536676987 54690013269 60446856771 66731851053 89799651417 115456694679 127610030961 164070039807 200195553159 269398954251 346370084037 382830092883 808196862753 1039110252111 1148490278649 2424590588259 3117330756333 7273771764777 21821315294331
• Sum of all divisors σ(n): 39867689654352
• Sum of proper divisors (its aliquot sum) s(n): 18046374360021
• 21821315294331 is a deficient number, because the sum of its proper divisors (18046374360021) is less than itself. Its deficiency is 3774940934310

Bases of 21821315294331

• Binary: 100111101100010101011101111110010010001111011₂
• Hexadecimal: 0x13D8ABBF247B
• Base-36: 7QGKNPSOR

Squares and roots of 21821315294331

• 21821315294331 squared (21821315294331²) is 476169801174604017160737561
• 21821315294331 cubed (21821315294331³) is 10390651365069938008252234925849762066691
• The square root of 21821315294331 is 4671329.0715096277
• The cube root of 21821315294331 is 27944.3261489671

Scales and comparisons

• 21,821,315,294,331 seconds is equal to 693,850 years, 17 weeks, 14 hours, 38 minutes, 51 seconds.
• To count from 1 to 21,821,315,294,331 would take you about one million, seven hundred thirty-four thousand, six hundred twenty-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 21821315294331 cubic inches would be around 2328.7 feet tall.

Recreational maths with 21821315294331

• 21821315294331 backwards is 13349251312812
• The number of decimal digits it has is: 14
• The sum of 21821315294331's digits is 45
• More coming soon!