21365654762790

Names of 21365654762790

• Cardinal: 21365654762790 can be written as Twenty-one trillion, three hundred sixty-five billion, six hundred fifty-four million, seven hundred sixty-two thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 2.136565476279 × 10¹³

Factors of 21365654762790

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 13645

Divisors of 21365654762790

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 19 26 27 30 38 39 45 54 57 65 73 78 81 90 95 109 114 117 130 135 146 162 171 190 195 218 219 234 247 270 285 327 342 351 365 390 405 438 494 513 545 570 585 654 657 702 730 741 810 855 949 981 1026 1053 1090 1095 1170 1235 1314 1387 1417 1482 1539 1635 1710 1755 1898 1962 1971 2071 2106 2190 2223 2470 2565 2774 2834 2847 2943 3078 3270 3285 3510 3705 3942 4142 4161 4251 4446 4745 4905 5130 5265 5694 5886 5913 6213 6570 6669 6935 7085 7410 7695 7957 8322 8502 8541 8829 9490 9810 9855 10355 10530 11115 11826 12426 12483 12753 13338 13421 13870 14170 14235 14715 15390 15914 17082 17658 18031 18639 19710 20007 20710 20805 21255 22230 23871 24966 25506 25623 26842 26923 28470 29430 29565 31065 33345 36062 37278 37449 38259 39785 40014 40263 41610 42510 42705 44145 47742 51246 53846 54093 55917 59130 62130 62415 63765 66690 67105 71613 74898 76518 76869 79570 80526 80769 85410 88290 90155 93195 100035 103441 108186 111834 112347 114777 119355 120789 124830 127530 128115 134210 134615 143226 151183 153738 161538 162279 167751 174473 180310 186390 187245 191295 200070 201315 206882 214839 224694 229554 238710 241578 242307 254999 256230 269230 270465 279585 302366 310323 324558 335502 348946 358065 362367 374490 382590 384345 402630 403845 429678 453549 484614 486837 509998 517205 523419 540930 559170 561735 573885 603945 620646 644517 716130 724734 726921 755915 764997 768690 807690 811395 838755 872365 907098 930969 973674 979733 1034410 1046838 1074195 1087101 1123470 1147770 1207890 1211535 1274995 1289034 1360647 1453842 1460511 1462889 1511830 1529994 1551615 1570257 1622790 1677510 1744730 1811835 1861938 1959466 1965379 2148390 2174202 2180763 2267745 2294991 2423070 2434185 2549990 2617095 2721294 2792907 2921022 2925778 2939199 3103230 3140514 3222585 3314987 3623670 3634605 3824985 3930758 4081941 4361526 4388667 4535490 4589982 4654845 4710771 4868370 4898665 5234190 5435505 5585814 5878398 5896137 6445170 6629974 6803235 6884973 7269210 7302555 7314445 7649970 7851285 8163882 8378721 8777334 8817597 9309690 9421542 9797330 9826895 9944961 10871010 10903815 11474955 11792274 12245823 12736529 13166001 13606470 13769946 13964535 14132313 14605110 14628890 14695995 15702570 16574935 16757442 17635194 17688411 18614927 19017557 19653790 19889922 20409705 20654919 21807630 21943335 22949910 23553855 24491646 25473058 26332002 26452791 27794891 27929070 28264626 29391990 29480685 29834883 33149870 34424865 35376822 37229854 38035114 38209587 39498003 40819410 41309838 41893605 43886670 44087985 47107710 49724805 52905582 53065233 55589782 55844781 57052671 58961370 59669766 61229115 63682645 65830005 68849730 70661565 76419174 78996006 79358373 83384673 83787210 88175970 88442055 89504649 93074635 95087785 99449610 103274595 106130466 106790897 111689562 114105342 114628761 118494009 122458230 127365290 131660010 132263955 138974455 141323130 149174415 158716746 159195699 166769346 167534343 171158013 176884110 179009298 186149270 190175570 191047935 197490015 206549190 213581794 229257522 236988018 241994051 250154019 264527910 265326165 268513947 277948910 279223905 285263355 298348830 318391398 320372691 335068686 342316026 343886283 361333583 382095870 394980030 396791865 416923365 447523245 483988102 500308038 502603029 513474039 530652330 533954485 537027894 558447810 570526710 573143805 592470045 640745382 687772566 722667166 725982153 750462057 793583730 795978495 833846730 837671715 855790065 895046490 961118073 1005206058 1026948078 1031658849 1067908970 1084000749 1146287610 1184940090 1209970255 1250770095 1342569735 1388281661 1451964306 1500924114 1507809087 1540422117 1591956990 1601863455 1675343430 1711580130 1719431415 1806667915 1922236146 2029027043 2063317698 2168001498 2177946459 2251386171 2419940510 2501540190 2513015145 2567370195 2685139470 2776563322 2883354219 3015618174 3080844234 3203726910 3252002247 3438862830 3613335830 3629910765 3752310285 4058054086 4164844983 4355892918 4502772342 4805590365 5026030290 5134740390 5158294245 5420003745 5766708438 6087081129 6504004494 6533839377 6941408305 7259821530 7504620570 7539045435 7702110585 8329689966 8650062657 9611180730 9756006741 10145135215 10316588490 10840007490 10889732295 11256930855 12174162258 12494534949 13067678754 13882816610 14416771095 15078090870 15404221170 16260011235 17300125314 18261243387 19512013482 19601518131 20290270430 20824224915 21779464590 22513861710 24989069898 26377351559 28833542190 29268020223 30435405645 32520022470 32669196885 36522486774 37483604847 39203036262 41648449830 43250313285 48780033705 52754703118 54783730161 58536040446 60870811290 62472674745 65338393770 74967209694 79132054677 86500626570 91306216935 97560067410 98007590655 109567460322 112450814541 124945349490 131886757795 146340101115 158264109354 164351190483 182612433870 187418024235 196015181310 224901629082 237396164031 263773515590 273918650805 292680202230 328702380966 374836048470 395660273385 474792328062 547837301610 562254072705 712188492093 791320546770 821755952415 1124508145410 1186980820155 1424376984186 1643511904830 2136565476279 2373961640310 3560942460465 4273130952558 7121884920930 10682827381395 21365654762790
• Sum of all divisors σ(n): 66628117987200
• Sum of proper divisors (its aliquot sum) s(n): 45262463224410
• 21365654762790 is an abundant number, because the sum of its proper divisors (45262463224410) is greater than itself. Its abundance is 23896808461620

Bases of 21365654762790

• Binary: 100110110111010010100010000110011010100100110₂
• Hexadecimal: 0x136E94433526
• Base-36: 7KN8V78DI

Squares and roots of 21365654762790

• 21365654762790 squared (21365654762790²) is 456491203442731011168584100
• 21365654762790 cubed (21365654762790³) is 9753233455007924673778891559785665639000
• The square root of 21365654762790 is 4622299.7266285101
• The cube root of 21365654762790 is 27748.4504235673

Scales and comparisons

• 21,365,654,762,790 seconds is equal to 679,361 years, 38 weeks, 20 hours, 46 minutes, 30 seconds.
• To count from 1 to 21,365,654,762,790 would take you about one million, six hundred ninety-eight thousand, four hundred 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 21365654762790 cubic inches would be around 2312.4 feet tall.

Recreational maths with 21365654762790

• 21365654762790 backwards is 09726745656312
• The number of decimal digits it has is: 14
• The sum of 21365654762790's digits is 63
• More coming soon!