21187144936980

Names of 21187144936980

• Cardinal: 21187144936980 can be written as Twenty-one trillion, one hundred eighty-seven billion, one hundred forty-four million, nine hundred thirty-six thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 2.118714493698 × 10¹³

Factors of 21187144936980

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 294

Divisors of 21187144936980

• Number of divisors d(n): 1728
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 19 20 22 27 30 33 36 38 43 44 45 54 55 57 60 66 76 81 86 90 95 99 108 110 114 121 129 132 135 162 165 171 172 180 190 198 209 211 215 220 228 242 243 258 270 285 297 324 330 342 361 363 380 387 396 405 418 422 430 473 484 486 495 513 516 540 570 594 605 627 633 645 660 684 722 726 774 810 817 836 844 855 860 891 946 972 990 1026 1045 1055 1083 1089 1140 1161 1188 1210 1215 1254 1266 1290 1331 1419 1444 1452 1485 1539 1548 1620 1634 1710 1782 1805 1815 1881 1892 1899 1935 1980 2052 2090 2110 2166 2178 2299 2321 2322 2365 2420 2430 2451 2508 2532 2565 2580 2662 2673 2838 2970 3078 3135 3165 3249 3267 3268 3420 3483 3564 3610 3630 3762 3798 3870 3971 3993 4009 4085 4180 4220 4257 4332 4356 4455 4598 4617 4642 4644 4730 4860 4902 5130 5203 5324 5346 5415 5445 5643 5676 5697 5805 5940 6156 6270 6330 6498 6534 6655 6897 6963 6966 7095 7220 7260 7353 7524 7596 7695 7740 7942 7986 8018 8170 8514 8910 8987 9073 9196 9234 9284 9405 9460 9495 9747 9801 9804 10260 10406 10449 10692 10830 10890 11286 11394 11495 11605 11610 11913 11979 12027 12255 12540 12660 12771 12996 13068 13310 13365 13794 13926 13932 14190 14706 15390 15523 15609 15884 15972 16036 16245 16335 16340 16929 17028 17091 17415 17820 17974 18146 18468 18810 18990 19494 19602 19855 19965 20045 20691 20812 20889 20898 21285 21660 21780 22059 22572 22788 22990 23085 23210 23220 23826 23958 24054 24510 25289 25531 25542 26015 26620 26730 26961 27219 27588 27852 28215 28380 28485 29241 29403 29412 30780 31046 31218 32490 32670 33858 34182 34485 34815 34830 35739 35937 35948 36081 36292 36765 37620 37980 38313 38988 39204 39710 39930 40090 41382 41778 41796 42570 43681 44099 44118 44935 45365 45980 46170 46420 46569 46827 47652 47916 48108 48735 49005 49020 50578 50787 51062 51084 51273 52030 52245 53460 53922 54438 56430 56970 57233 58482 58806 59565 59895 60135 62073 62092 62436 62667 63855 64980 65340 66177 67716 68364 68970 69630 69660 71478 71874 72162 73530 75867 76171 76593 76626 77615 78045 79420 79860 80180 80883 81657 82764 83556 84645 85140 85455 87362 87723 88198 88236 89870 90730 92340 93138 93654 97470 98010 98857 99803 101156 101574 102124 102546 103455 104060 104445 104490 107217 107811 107844 108243 108876 110295 112860 113940 114466 114939 116964 117612 119130 119790 120270 124146 125334 126445 127655 127710 131043 132297 132354 134805 136095 137940 139260 139707 140481 142956 143748 144324 146205 147015 147060 151734 152342 153186 153252 155230 156090 161766 163314 169290 170753 170910 171699 172387 174724 175446 176396 178695 179685 179740 180405 181460 186219 186276 187308 188001 191565 194940 196020 197714 198531 199606 203148 205092 206910 208890 208980 214434 215622 216486 218405 220495 220590 227601 228513 228932 229779 229878 232845 234135 238260 239580 240540 242649 244971 248292 250668 252890 253935 255310 255420 256365 262086 264594 264708 269610 272190 279414 280841 280962 286165 292410 294030 296571 299409 303468 304684 306372 310365 310460 312180 313335 321651 323433 323532 324729 326628 330885 338580 341506 341820 343398 344774 350892 357390 359370 360810 372438 376002 379335 380855 382965 383130 393129 395428 396891 397062 399212 404415 408285 413820 417780 419121 421443 428868 431244 432972 436810 438615 440990 441180 455202 457026 459558 459756 465690 468270 480491 485089 485298 489942 494285 499015 505780 507870 510620 512259 512730 515097 517161 524172 529188 536085 539055 539220 541215 544380 558657 558828 561682 561924 564003 572330 574695 584820 588060 593142 598818 620730 626670 643302 646866 649458 655215 661485 661770 682803 683012 685539 686796 689337 689548 698535 702405 714780 718740 721620 727947 734913 744876 752004 758670 761710 765930 766260 786258 793782 794124 808830 816570 837881 838242 842523 842886 853765 858495 861935 873620 877230 881980 889713 898227 910404 914052 919116 931095 931380 936540 940005 960982 964953 970178 970596 974187 979884 988570 992655 998030 1015740 1024518 1025460 1030194 1034322 1072170 1078110 1082430 1087427 1097833 1117314 1123364 1128006 1138005 1142565 1144660 1148895 1149390 1179387 1186284 1190673 1197636 1213245 1224855 1241460 1253340 1257363 1264329 1286604 1293732 1298916 1310430 1322970 1323540 1365606 1371078 1378674 1397070 1404205 1404810 1441473 1455267 1455894 1469826 1482855 1497045 1517340 1523420 1531860 1536777 1545291 1551483 1572516 1587564 1608255 1617165 1617660 1623645 1633140 1675762 1676484 1685046 1685772 1707530 1716990 1723870 1754460 1779426 1796454 1862190 1878283 1880010 1896257 1921964 1929906 1940356 1948374 1965645 1977140 1984455 1985310 1996060 2048409 2049036 2056617 2060388 2068011 2068644 2095605 2107215 2144340 2156220 2164860 2174854 2183841 2195666 2204739 2234628 2256012 2276010 2285130 2297790 2298780 2358774 2381346 2402455 2425445 2426490 2449710 2513643 2514726 2527569 2528658 2561295 2575485 2585805 2620860 2645940 2669139 2694681 2731212 2742156 2757348 2793285 2794140 2808410 2809620 2820015 2882946 2910534 2911788 2939652 2965710 2994090 3073554 3090582 3102966 3216510 3234330 3247290 3262281 3275353 3293499 3351524 3370092 3414015 3415060 3427695 3433980 3446685 3447740 3538161 3558852 3572019 3592908 3639735 3674565 3724380 3756566 3760020 3772089 3792514 3859812 3896748 3931290 3968910 3970620 4096818 4113234 4136022 4189405 4191210 4212615 4214430 4324419 4349708 4365801 4367682 4391332 4409478 4448565 4491135 4552020 4570260 4595580 4610331 4635873 4654449 4717548 4762692 4804910 4824765 4850890 4852980 4870935 4899420 5027286 5029452 5055138 5057316 5122590 5150970 5171610 5335979 5338278 5389362 5437135 5489165 5586570 5616820 5634849 5640030 5688771 5765892 5821068 5896935 5931420 5953365 5988180 6145227 6147108 6169851 6181164 6204033 6205932 6286815 6321645 6433020 6468660 6494580 6524562 6550706 6586998 6828030 6855390 6893370 7076322 7144038 7207365 7276335 7279470 7349130 7513132 7540929 7544178 7582707 7585028 7683885 7726455 7757415 7862580 7937820 8007417 8084043 8193636 8226468 8272044 8378810 8382420 8425230 8428860 8648838 8731602 8735364 8818956 8897130 8982270 9216691 9220662 9271746 9308898 9391415 9481285 9609820 9649530 9701780 9741870 9786843 9826059 9880497 10054572 10110276 10242045 10245180 10283085 10301940 10340055 10343220 10614483 10671958 10676556 10716057 10778724 10874270 10919205 10978330 11023695 11173140 11269698 11280060 11377542 11793870 11906730 12076163 12290454 12339702 12408066 12568215 12573630 12637845 12643290 12973257 13049124 13097403 13101412 13173996 13345695 13473405 13656060 13710780 13786740 13830993 13907619 13963347 14152644 14288076 14414730 14552670 14558940 14698260 15081858 15088356 15165414 15367770 15452910 15514830 16007937 16014834 16168086 16311405 16376765 16467495 16757620 16850460 16904547 17066313 17297676 17463204 17690805 17794260 17860095 17964540 18433382 18441324 18509553 18543492 18617796 18782830 18860445 18962570 19299060 19483740 19573686 19652118 19760994 20484090 20566170 20661113 20680110 20858827 21228966 21343916 21432114 21622095 21748540 21829005 21838410 21956660 22047390 22539396 22622787 22748121 22755084 23051655 23179365 23272245 23587740 23813460 24022251 24152326 24252129 24580908 24679404 24816132 25136430 25147260 25275690 25286580 25946514 26194806 26679895 26691390 26946810 27650073 27661986 27815238 27926694 28174245 28443855 28829460 29105340 29360529 29478177 29641491 30163716 30330828 30726135 30735540 30849255 30905820 31020165 31029660 32015874 32029668 32336172 32622810 32753530 32934990 33809094 34132626 35381610 35720190 36028883 36228489 36866764 37019106 37565660 37704645 37720890 37913535 37925140 38919771 39147372 39292209 39304236 39521988 40037085 40420215 40968180 41132340 41322226 41360220 41492979 41717654 41890041 42457932 42864228 43244190 43658010 43676820 44094780 45245574 45496242 46083455 46103310 46358730 46544490 48023811 48044502 48304652 48504258 48934215 49130295 49402485 50272860 50551380 50713641 51198939 51893028 52389612 53072415 53359790 53382780 53580285 53893620 55300146 55323972 55630476 55853388 56348490 56887710 58721058 58956354 59282982 60380815 61452270 61698510 61983339 62040330 62576481 64031748 64866285 65245620 65487015 65507060 65869980 67618188 67868361 68244363 68265252 69154965 69538095 69816735 70763220 71440380 72057766 72456978 74038212 75409290 75441780 75827070 77839542 78584418 80039685 80074170 80840430 82644452 82950219 82985958 83435308 83780082 84522735 85331565 86488380 87316020 88081587 88434531 88924473 90491148 90992484 92166910 92206620 92547765 92717460 93088980 96047622 96089004 97008516 97868430 98260590 98804970 101383601 101427282 102397878 103305565 104294135 106144830 106719580 107160570 108086649 108685467 110600292 112696980 113113935 113740605 113775420 116759313 117442116 117876627 117912708 118565964 120111255 120761630 121260645 122904540 123397020 123966678 124080660 125152962 129732570 130974030 135736722 136488726 138250365 138309930 139076190 139633470 144071433 144115532 144913956 146802645 147390885 148207455 150818580 151654140 152140923 153596817 155679084 157168836 160079370 160148340 161680860 165900438 165971916 167560164 169045470 170663130 176163174 176869062 177848946 180144415 181142445 184333820 185095530 185950017 187729443 192095244 194598855 195736860 196461045 196521180 197609940 202767202 202854564 203605083 204795756 206611130 207464895 208588270 209450205 212289660 214321140 216173298 217370934 226227870 227481210 229447097 233518626 235753254 240119055 240222510 241523260 242521290 247933356 248850657 250305924 253568205 255994695 259465140 261948060 264244761 265303593 266773419 271473444 272977452 276500730 276619860 278152380 279266940 288142866 293605290 294781770 296414910 304150803 304281846 307193634 309916695 312882405 320158740 324259947 326056401 331800876 338090940 339341805 341221815 341326260 352326348 353738124 355697892 360288830 362284890 370191060 371900034 375458886 389197710 392922090 396317713 405534404 407210166 413222260 414751095 414929790 417176540 418900410 432214299 432346596 434741868 440407935 442172655 444622365 452455740 454962420 456422769 458894194 460790451 467037252 471506508 480238110 480445020 485042580 497701314 506918005 507136410 511989390 528489522 530607186 533546838 540433245 543427335 553001460 557850051 563188329 576285732 583796565 587210580 589383135 589563540 592829820 608301606 608563692 614387268 619833390 625764810 648519894 652112802 678683610 682443630 688341291 720357165 720577660 724569780 743800068 746551971 750917772 760704615 767984085 778395420 785844180 792635426 795910779 814420332 829502190 829859580 837800820 864428598 880815870 884345310 889244730 912452409 912845538 917788388 921580902 929750085 938647215 960476220 972779841 978169203 995402628 1013836010 1014272820 1018025415 1023978780 1056979044 1061214372 1067093676 1080866490 1086854670 1115700102 1126376658 1147235485 1167593130 1178766270 1188953139 1216603212 1239666780 1244253285 1251529620 1296642897 1297039788 1304225604 1321223805 1326517965 1333867095 1357367220 1364887260 1376682582 1440714330 1493103942 1520754015 1521409230 1535968170 1585270852 1591821558 1621299735 1630282005 1659004380 1673550153 1689564987 1728857196 1761631740 1768690620 1778489460 1824904818 1825691076 1843161804 1859500170 1877294430 1945559682 1956338406 1981588565 2027672020 2036050830 2065023873 2161071495 2161732980 2173709340 2231400204 2239655913 2252753316 2282113845 2294470970 2303952255 2335186260 2357532540 2377906278 2488506570 2593285794 2642447610 2653035930 2667734190 2737357227 2753365164 2789250255 2815941645 2881428660 2918339523 2934507609 2986207884 3041508030 3042818460 3071936340 3183643116 3242599470 3260564010 3347100306 3379129974 3441706455 3566859417 3649809636 3719000340 3732759855 3754588860 3891119364 3912676812 3963177130 3979553895 4072101660 4130047746 4322142990 4359494843 4479311826 4562262045 4564227690 4588941940 4607904510 4755812556 4863899205 4890846015 4977013140 5020650459 5068694961 5186571588 5284895220 5306071860 5335468380 5474714454 5578500510 5631883290 5836679046 5869015218 5944765695 6083016060 6195071619 6483214485 6485198940 6521128020 6694200612 6758259948 6883412910 7133718834 7465519710 7926354260 7959107790 8212071681 8260095492 8367750765 8447824935 8644285980 8718989686 8755018569 8958623652 9124524090 9128455380 9215809020 9727798410 9781692030 10041300918 10137389922 10325119365 10700578251 10949428908 11157001020 11198279565 11263766580 11673358092 11738030436 11889531390 12390143238 12966428970 13078484529 13686786135 13766825820 14267437668 14591697615 14672538045 14931039420 15918215580 16424143362 16735501530 16895649870 17437979372 17510037138 17834297085 18249048180 18585214857 19455596820 19563384060 20082601836 20274779844 20650238730 21401156502 21797474215 22396559130 23779062780 24636215043 24780286476 25103252295 25343474805 25932857940 26156969058 27373572270 29183395230 29345076090 30975358095 32101734753 32848286724 33471003060 33791299740 35020074276 35668594170 37170429714 39235453587 41060358405 41300477460 42802313004 43594948430 43775092845 44793118260 49272430086 50206504590 50686949610 52313938116 53502891255 54747144540 55755644571 58366790460 58690152180 61950716190 64203469506 65392422645 71337188340 74340859428 78470907174 82120716810 87189896860 87550185690 92926074285 96305204259 98544860172 100413009180 101373899220 107005782510 111511289142 117706360761 123181075215 123901432380 128406939012 130784845290 156941814348 160508673765 164241433620 175100371380 185852148570 192610408518 196177267935 214011565020 223022578284 235412721522 246362150430 261569690580 278778222855 321017347530 353119082283 371704297140 385220817036 392354535870 470825443044 481526021295 492724300860 557556445710 588531803805 642034695060 706238164566 784709071740 963052042590 1059357246849 1115112891420 1177063607610 1412476329132 1765595411415 1926104085180 2118714493698 2354127215220 3531190822830 4237428987396 5296786234245 7062381645660 10593572468490 21187144936980
• Sum of all divisors σ(n): 79543603915776
• Sum of proper divisors (its aliquot sum) s(n): 58356458978796
• 21187144936980 is an abundant number, because the sum of its proper divisors (58356458978796) is greater than itself. Its abundance is 37169314041816

Bases of 21187144936980

• Binary: 100110100010100000100001111110110111000010100₂
• Hexadecimal: 0x1345043F6E14
• Base-36: 7ID8N2590

Squares and roots of 21187144936980

• 21187144936980 squared (21187144936980²) is 448895110580597248171520400
• 21187144936980 cubed (21187144936980³) is 9510805769372778214821749005488784392000
• The square root of 21187144936980 is 4602949.5909666445
• The cube root of 21187144936980 is 27670.9548569787

Scales and comparisons

• 21,187,144,936,980 seconds is equal to 673,685 years, 34 weeks, 6 days, 22 hours, 3 minutes.
• To count from 1 to 21,187,144,936,980 would take you about one million, six hundred eighty-four thousand, two hundred fourteen 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 21187144936980 cubic inches would be around 2305.9 feet tall.

Recreational maths with 21187144936980

• 21187144936980 backwards is 08963944178112
• The number of decimal digits it has is: 14
• The sum of 21187144936980's digits is 63
• More coming soon!