21047427055908

Names of 21047427055908

• Cardinal: 21047427055908 can be written as Twenty-one trillion, forty-seven billion, four hundred twenty-seven million, fifty-five thousand, nine hundred eight.

Scientific notation

• Scientific notation: 2.1047427055908 × 10¹³

Factors of 21047427055908

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 66

Divisors of 21047427055908

• Number of divisors d(n): 900
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 19 22 27 31 33 36 38 44 54 57 62 66 76 81 93 99 108 114 121 124 132 162 171 186 198 209 228 242 243 279 297 324 341 342 363 372 396 418 484 486 513 558 589 594 627 682 684 726 729 836 837 891 961 972 1023 1026 1089 1116 1178 1188 1254 1331 1364 1452 1458 1539 1674 1767 1782 1881 1922 2046 2052 2178 2187 2299 2356 2508 2511 2662 2673 2883 2916 3069 3078 3267 3348 3534 3564 3751 3762 3844 3993 4092 4356 4374 4598 4617 5022 5301 5324 5346 5643 5766 6138 6156 6479 6534 6561 6897 7068 7502 7524 7533 7986 8019 8649 8748 9196 9207 9234 9801 10044 10571 10602 10692 11253 11286 11532 11979 12276 12958 13068 13122 13794 13851 14641 15004 15066 15903 15972 16038 16929 17298 18259 18414 18468 19437 19602 19683 20691 21142 21204 22506 22572 22599 23958 24057 25289 25916 25947 26244 27588 27621 27702 29282 29403 30132 31713 31806 32076 33759 33858 34596 35937 36518 36828 38874 39204 39366 41261 41382 41553 42284 43923 45012 45198 47709 47916 48114 50578 50787 51894 54777 55242 55404 58311 58564 58806 62073 63426 63612 67518 67716 67797 71269 71874 72171 73036 75867 77748 77841 78732 82522 82764 82863 83106 87846 88209 90396 95139 95418 96228 101156 101277 101574 103788 107811 109554 110484 116281 116622 117612 123783 124146 124659 126852 131769 135036 135594 142538 143127 143748 144342 151734 152361 155682 164331 165044 165726 166212 174933 175692 176418 186219 190278 190836 200849 202554 203148 203391 213807 215622 216513 219108 227601 232562 233244 233523 247566 248292 248589 249318 263538 264627 271188 278179 285076 285417 286254 288684 303468 303831 304722 311364 323433 328662 331452 348843 349866 352836 371349 372438 373977 380556 395307 401698 405108 406782 427614 429381 431244 433026 453871 455202 457083 465124 467046 492993 495132 497178 498636 524799 527076 529254 556358 558657 570834 572508 602547 607662 609444 610173 641421 646866 657324 682803 697686 699732 700569 742698 744876 745767 747954 783959 790614 793881 803396 813564 834537 855228 856251 858762 866052 907742 910404 911493 914166 934092 970299 985986 994356 1046529 1049598 1058508 1112716 1114047 1117314 1141668 1185921 1205094 1215324 1220346 1279091 1282842 1288143 1293732 1361613 1365606 1371249 1395372 1401138 1478979 1485396 1491534 1495908 1567918 1574397 1581228 1587762 1669074 1675971 1712502 1717524 1807641 1815484 1822986 1828332 1924263 1940598 1971972 2048409 2093058 2099196 2101707 2209339 2228094 2234628 2237301 2351877 2371842 2381643 2410188 2440692 2503611 2558182 2565684 2568753 2576286 2723226 2731212 2734479 2742498 2802276 2910897 2957958 2983068 3135836 3139587 3148794 3175524 3338148 3342141 3351942 3425004 3557763 3615282 3645972 3837273 3848526 3864429 3881196 4084839 4096818 4113747 4186116 4203414 4418678 4436937 4456188 4474602 4703754 4723191 4743684 4763286 5007222 5027913 5116364 5137506 5152572 5422923 5446452 5468958 5484996 5772789 5821794 5915916 6145227 6279174 6297588 6305121 6628017 6684282 6703884 6711903 7055631 7115526 7230564 7510833 7674546 7697052 7706259 7728858 8169678 8193636 8203437 8227494 8406828 8623549 8732691 8837356 8873874 8949204 9407508 9418761 9446382 9526572 10014444 10026423 10055826 10275012 10673289 10845846 10937916 11511819 11545578 11593287 11643588 12254517 12290454 12558348 12610242 13256034 13310811 13368564 13423806 14070001 14111262 14169573 14231052 15021666 15083739 15349092 15412518 15457716 16268769 16339356 16406874 16454988 17247098 17318367 17465382 17747748 18435681 18837522 18892764 18915363 19884051 20052846 20111652 21166893 21346578 21691692 22532499 23023638 23091156 23118777 23186574 24302729 24509034 24580908 24610311 25220484 25870647 26198073 26512068 26621622 26847612 28140002 28222524 28256283 28339146 30043332 30079269 30167478 30825036 32019867 32537538 32813748 34494196 34535457 34636734 34930764 36763551 36871362 37675044 37830726 39768102 39932433 40105692 42210003 42333786 42508719 42693156 45064998 45251217 46047276 46237554 46373148 48605458 48806307 49018068 49220622 51741294 51955101 52396146 53243244 55307043 56280004 56512566 56678292 59652153 60158538 60334956 63500679 64039734 65075076 67597497 69070914 69273468 69356331 72908187 73527102 73742724 73830933 75661452 77611941 79536204 79864866 84420006 84667572 84768849 85017438 90129996 90237807 90502434 92475108 96059601 97210916 97612614 98441244 103482588 103606371 103910202 104792292 110290653 110614086 113025132 119304306 119797299 120317076 126630009 127001358 127526157 128079468 135194994 138141828 138712662 145816374 146418921 147054204 147661866 155223882 155865303 159729732 165921129 168840012 169537698 170034876 178956459 180475614 181004868 190502037 192119202 195225228 202792491 207212742 207820404 208068993 218724561 220581306 221228172 232835823 238608612 239594598 253260018 254002716 254306547 255052314 267330019 270389988 270713421 277425324 288178803 291632748 292837842 295323732 310447764 310819113 311730606 330871959 331842258 339075396 357912918 359391897 360951228 379890027 381004074 384238404 405584982 414425484 416137986 437449122 439256763 441162612 465671646 467595909 479189196 497763387 506520036 508613094 510104628 534660038 536869377 541426842 571506111 576357606 585675684 608377473 621638226 623461212 656173683 661743918 663684516 698507469 715825836 718783794 759780054 762008148 762919641 801990057 811169964 812140263 832275972 874898244 878513526 931343292 932457339 935191818 992615877 995526774 1017226188 1069320076 1073738754 1082853684 1139670081 1143012222 1152715212 1216754946 1243276452 1312347366 1317770289 1323487836 1397014938 1402787727 1437567588 1519560108 1525839282 1603980114 1610608131 1624280526 1714518333 1757027052 1825132419 1864914678 1870383636 1968521049 1985231754 1991053548 2095522407 2147477508 2279340162 2286024444 2288758923 2405970171 2433509892 2624694732 2635540578 2794029876 2797372017 2805575454 2977847631 3051678564 3207960228 3221216262 3248561052 3419010243 3429036666 3650264838 3729829356 3937042098 3953310867 3970463508 4191044814 4558680324 4577517846 4811940342 4831824393 5143554999 5271081156 5475397257 5594744034 5611150908 5905563147 5955695262 6286567221 6442432524 6838020486 6858073332 7217910513 7300529676 7874084196 7906621734 8382089628 8392116051 8933542893 9155035692 9623880684 9663648786 10257030729 10287109998 10950794514 11189488068 11811126294 11911390524 12573134442 13676040972 14435821026 14495473179 15430664997 15813243468 16784232102 17716689441 17867085786 18859701663 19327297572 20514061458 20574219996 21653731539 21901589028 23622252588 25146268884 25176348153 28871642052 28990946358 30771092187 30861329994 33568464204 35433378882 35734171572 37719403326 41028122916 43307463078 43486419537 50352696306 53150068323 56579104989 57981892716 61542184374 61722659988 64961194617 70866757764 75438806652 86614926156 86972839074 92313276561 100705392612 106300136646 113158209978 123084368748 129922389234 159450204969 169737314967 173945678148 184626553122 194883583851 212600273292 226316419956 259844778468 276939829683 318900409938 339474629934 369253106244 389767167702 478350614907 553879659366 584650751553 637800819876 678949259868 779534335404 956701229814 1107759318732 1169301503106 1753952254659 1913402459628 2338603006212 3507904509318 5261856763977 7015809018636 10523713527954 21047427055908
• Sum of all divisors σ(n): 66101788460400
• Sum of proper divisors (its aliquot sum) s(n): 45054361404492
• 21047427055908 is an abundant number, because the sum of its proper divisors (45054361404492) is greater than itself. Its abundance is 24006934348584

Bases of 21047427055908

• Binary: 100110010010001111100011010011100000100100100₂
• Hexadecimal: 0x13247C69C124
• Base-36: 7GL1YN290

Squares and roots of 21047427055908

• 21047427055908 squared (21047427055908²) is 442994185673768100557704464
• 21047427055908 cubed (21047427055908³) is 9323887809159998844065970959594269173312
• The square root of 21047427055908 is 4587747.4926054945
• The cube root of 21047427055908 is 27609.9956163651

Scales and comparisons

• 21,047,427,055,908 seconds is equal to 669,243 years, 3 weeks, 6 days, 19 hours, 31 minutes, 48 seconds.
• To count from 1 to 21,047,427,055,908 would take you about one million, six hundred seventy-three thousand, one hundred seven 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 21047427055908 cubic inches would be around 2300.8 feet tall.

Recreational maths with 21047427055908

• 21047427055908 backwards is 80955072474012
• 21047427055908 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21047427055908's digits is 54
• More coming soon!