21012533427249

Names of 21012533427249

• Cardinal: 21012533427249 can be written as Twenty-one trillion, twelve billion, five hundred thirty-three million, four hundred twenty-seven thousand, two hundred forty-nine.

Scientific notation

• Scientific notation: 2.1012533427249 × 10¹³

Factors of 21012533427249

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 245

Divisors of 21012533427249

• Number of divisors d(n): 405
• Complete list of divisors:
  1 3 7 9 13 21 27 29 39 49 63 81 87 91 117 147 169 189 193 203 261 273 351 377 441 507 567 579 609 637 783 819 841 1053 1131 1183 1323 1351 1421 1521 1737 1827 1911 2349 2457 2509 2523 2639 3393 3549 3969 4053 4263 4563 4901 5211 5481 5597 5733 5887 7371 7527 7569 7917 8281 9457 10179 10647 10933 12159 12789 13689 14703 15633 16443 16791 17199 17563 17661 18473 22581 22707 23751 24843 28371 30537 31941 32617 32799 34307 36477 37249 38367 39179 41209 44109 50373 51597 52689 52983 55419 67743 68121 71253 72761 74529 76531 85113 95823 97851 98397 102921 109431 111747 115101 117537 122941 123627 132327 142129 151119 158067 158949 162313 166257 203229 213759 218283 223587 228319 229593 240149 255339 260743 274253 293553 295191 308763 335241 352611 368823 370881 396981 426387 453357 474201 476847 484237 486939 498771 509327 535717 654849 670761 684957 688779 720447 766017 782229 822759 880659 885573 926289 945893 994903 1005723 1057833 1080221 1106469 1112643 1136191 1279161 1422603 1452711 1460817 1496313 1527981 1598233 1607151 1825201 1964547 2054871 2066337 2110069 2161341 2346687 2468277 2641977 2778867 2837679 2984709 3017169 3173499 3240663 3319407 3337929 3389659 3408573 3565289 3837483 4358133 4382451 4583943 4794699 4821453 5475603 5893641 6164613 6199011 6295081 6330207 6484023 6621251 6964321 7040061 7404831 7561547 7953337 8513037 8954127 9721989 9958221 10168977 10225719 10695867 11512449 13074399 13147353 13751829 14042873 14384097 14464359 14770483 16426809 18493839 18885243 18990621 19452069 19863753 20892963 21120183 22214493 22684641 23727613 23860011 25539111 26862381 27430897 29165967 30506931 30677157 31326409 32087601 39223197 41255487 42128619 43152291 43393077 44065567 44311449 46348757 49280427 52930829 56655729 56971863 59591259 62678889 68053923 71182839 71580033 76617333 80587143 82292691 87497901 91520793 92031471 93979227 96262803 98300111 103393381 126385857 129456873 132196701 132934347 139046271 147841281 158792487 169967187 170915589 178773777 182557349 188036667 192016279 204161769 213548517 214740099 219284863 246878073 274562379 281937681 288788409 294900333 308458969 310180143 379157571 396590103 398803041 407243317 417138813 476377461 509901561 536321331 547672047 564110001 576048837 612485307 640645551 644220297 657854589 688100777 740634219 845813043 884700999 925376907 930540429 1137472713 1189770309 1196409123 1221729951 1251416439 1277901443 1344113953 1429132383 1534994041 1643016141 1728146511 1921936653 1973563767 2064302331 2221902657 2537439129 2654102997 2776130721 2791621287 2850703219 3569310927 3665189853 3754249317 3833704329 4032341859 4287397149 4604982123 4929048423 5184439533 5294163121 5920691301 6192906993 7962308991 8328392163 8374863861 8552109657 8945310101 10995569559 11501112987 12097025577 13814946369 14787145269 15553318599 15882489363 17762073903 18578720979 19954922533 24985176489 25656328971 26835930303 32986708677 34503338961 36291076731 37059141847 41444839107 47647468089 55736162937 59864767599 76968986913 80507790909 103510016883 108873230193 111177425541 124334517321 142942404267 179594302797 230906960739 241523372727 259413992929 333532276623 428827212801 538782908391 724570118181 778241978787 1000596829869 1616348725173 2334725936361 3001790489607 7004177809083 21012533427249
• Sum of all divisors σ(n): 41162345026803
• Sum of proper divisors (its aliquot sum) s(n): 20149811599554
• 21012533427249 is a deficient number, because the sum of its proper divisors (20149811599554) is less than itself. Its deficiency is 862721827695

Bases of 21012533427249

• Binary: 100110001110001011100100101110011110000110001₂
• Hexadecimal: 0x131C5C973C31
• Base-36: 7G50VVI29

Squares and roots of 21012533427249

• 21012533427249 squared (21012533427249²) is 441526561031256605975708001
• 21012533427249 cubed (21012533427249³) is 9277591622687575138575915215891800719249
• 21012533427249 is a perfect square number. Its square root is 4583943
• The cube root of 21012533427249 is 27594.7293667501

Scales and comparisons

• 21,012,533,427,249 seconds is equal to 668,133 years, 29 weeks, 3 days, 8 hours, 54 minutes, 9 seconds.
• To count from 1 to 21,012,533,427,249 would take you about one million, six hundred seventy thousand, three hundred thirty-three 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 21012533427249 cubic inches would be around 2299.6 feet tall.

Recreational maths with 21012533427249

• 21012533427249 backwards is 94272433521012
• The number of decimal digits it has is: 14
• The sum of 21012533427249's digits is 45
• More coming soon!