20985704506728

Names of 20985704506728

• Cardinal: 20985704506728 can be written as Twenty trillion, nine hundred eighty-five billion, seven hundred four million, five hundred six thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.0985704506728 × 10¹³

Factors of 20985704506728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 386

Divisors of 20985704506728

• Number of divisors d(n): 840
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 19 24 26 27 36 38 39 52 54 57 72 76 78 81 104 108 114 117 152 156 162 169 171 216 228 234 243 247 312 324 338 342 349 351 361 456 468 486 494 507 513 648 676 684 698 702 722 729 741 936 972 988 1014 1026 1047 1053 1083 1352 1368 1396 1404 1444 1458 1482 1521 1539 1944 1976 2028 2052 2094 2106 2166 2197 2223 2792 2808 2888 2916 2964 3042 3078 3141 3159 3211 3249 4056 4104 4188 4212 4332 4394 4446 4537 4563 4617 4693 5832 5928 6084 6156 6282 6318 6422 6498 6591 6631 6669 8376 8424 8664 8788 8892 9074 9126 9234 9386 9423 9477 9633 9747 12168 12312 12564 12636 12844 12996 13182 13262 13338 13611 13689 13851 14079 17576 17784 18148 18252 18468 18772 18846 18954 19266 19494 19773 19893 20007 25128 25272 25688 25992 26364 26524 26676 27222 27378 27702 28158 28269 28561 28899 29241 36296 36504 36936 37544 37692 37908 38532 38988 39546 39786 40014 40833 41067 41743 42237 52728 53048 53352 54444 54756 55404 56316 56538 57122 57798 58482 58981 59319 59679 60021 61009 75384 75816 77064 77976 79092 79572 80028 81666 82134 83486 84474 84807 85683 86203 86697 87723 108888 109512 110808 112632 113076 114244 115596 116964 117962 118638 119358 120042 122018 122499 123201 125229 125989 126711 158184 159144 160056 163332 164268 166972 168948 169614 171366 172406 173394 175446 176943 177957 179037 180063 183027 226152 228488 231192 233928 235924 237276 238716 240084 244036 244998 246402 250458 251978 253422 254421 257049 258609 260091 263169 326664 328536 333944 337896 339228 342732 344812 346788 350892 353886 355914 358074 360126 366054 367497 375687 377967 380133 471848 474552 477432 480168 488072 489996 492804 500916 503956 506844 508842 514098 517218 520182 526338 530829 533871 537111 542659 549081 678456 685464 689624 693576 701784 707772 711828 716148 720252 732108 734994 751374 755934 760266 766753 771147 775827 780273 793117 979992 985608 1001832 1007912 1013688 1017684 1028196 1034436 1040364 1052676 1061658 1067742 1074222 1085318 1098162 1102491 1120639 1127061 1133901 1140399 1415544 1423656 1432296 1440504 1464216 1469988 1502748 1511868 1520532 1533506 1542294 1551654 1560546 1586234 1592487 1601613 1611333 1627977 1637857 1647243 2035368 2056392 2068872 2080728 2105352 2123316 2135484 2148444 2170636 2196324 2204982 2241278 2254122 2267802 2280798 2300259 2313441 2327481 2340819 2379351 2939976 3005496 3023736 3041064 3067012 3084588 3103308 3121092 3172468 3184974 3203226 3222666 3255954 3275714 3294486 3307473 3361917 3381183 3401703 3421197 4246632 4270968 4296888 4341272 4392648 4409964 4482556 4508244 4535604 4561596 4600518 4626882 4654962 4681638 4758702 4777461 4833999 4883931 4913571 4941729 6134024 6169176 6206616 6242184 6344936 6369948 6406452 6445332 6511908 6551428 6588972 6614946 6723834 6762366 6803406 6842394 6900777 6940323 6982443 7138053 8819928 8965112 9016488 9071208 9123192 9201036 9253764 9309924 9363276 9517404 9554922 9667998 9767862 9827142 9883458 9967789 10085751 10143549 10205109 10310521 12739896 12812904 12890664 13023816 13102856 13177944 13229892 13447668 13524732 13606812 13684788 13801554 13880646 13964886 14276106 14332383 14568307 14651793 14740713 14825187 18402072 18507528 18619848 18726552 19034808 19109844 19335996 19535724 19654284 19766916 19935578 20171502 20287098 20410218 20621042 20702331 20820969 20947329 21292141 21414159 26459784 26895336 27049464 27213624 27369576 27603108 27761292 27929772 28552212 28664766 29136614 29303586 29481426 29650374 29903367 30257253 30430647 30615327 30931563 38219688 38671992 39071448 39308568 39533832 39871156 40343004 40574196 40820436 41242084 41404662 41641938 41894658 42584282 42828318 42997149 43704921 43955379 44222139 44475561 55206216 55522584 55859544 57104424 57329532 58273228 58607172 58962852 59300748 59806734 60514506 60861294 61230654 61863126 62106993 62841987 63876423 64242477 79742312 80686008 81148392 81640872 82484168 82809324 83283876 83789316 85168564 85656636 85994298 87409842 87910758 88444278 88951122 89710101 90771759 91845981 92794689 114659064 116546456 117214344 117925704 118601496 119613468 121029012 121722588 122461308 123726252 124213986 125683974 127752846 128484954 131114763 131866137 132666417 165618648 166567752 167578632 170337128 171313272 171988596 174819684 175821516 176888556 177902244 179420202 181543518 183691962 185589378 186320979 189387991 191629269 192727431 239226936 242058024 243445176 244922616 247452504 248427972 251367948 255505692 256969908 262229526 263732274 265332834 269130303 272315277 276797833 278384067 343977192 349639368 351643032 353777112 355804488 358840404 363087036 367383924 371178756 372641958 378775982 383258538 385454862 393344289 395598411 397999251 496855944 502735896 511011384 513939816 524459052 527464548 530665668 538260606 544630554 553595666 556768134 558962937 568163973 574887807 578182293 717680808 726174072 734767848 742357512 745283916 757551964 766517076 770909724 786688578 791196822 795998502 807390909 816945831 830393499 835152201 1048918104 1054929096 1061331336 1076521212 1089261108 1107191332 1113536268 1117925874 1136327946 1149775614 1156364586 1180032867 1193997753 1490567832 1515103928 1533034152 1541819448 1573377156 1582393644 1591997004 1614781818 1633891662 1660786998 1670304402 1704491919 1724663421 2153042424 2178522216 2214382664 2227072536 2235851748 2272655892 2299551228 2312729172 2360065734 2387995506 2422172727 2491180497 2505456603 3146754312 3164787288 3183994008 3229563636 3267783324 3321573996 3340608804 3408983838 3449326842 3540098601 3598371829 4471703496 4545311784 4599102456 4625458344 4720131468 4775991012 4844345454 4982360994 5010913206 5113475757 5173990263 6459127272 6535566648 6643147992 6681217608 6817967676 6898653684 7080197202 7196743658 7266518181 7473541491 7516369809 9440262936 9551982024 9688690908 9964721988 10021826412 10226951514 10347980526 10620295803 10795115487 13635935352 13797307368 14160394404 14393487316 14533036362 14947082982 15032739618 15340427271 15521970789 19377381816 19929443976 20043652824 20453903028 20695961052 21240591606 21590230974 22420624473 28320788808 28786974632 29066072724 29894165964 30065479236 30680854542 31043941578 32385346461 40907806056 41391922104 42481183212 43180461948 44841248946 46021281813 58132145448 59788331928 60130958472 61361709084 62087883156 64770692922 67261873419 84962366424 86360923896 89682497892 92042563626 97156039383 122723418168 124175766312 129541385844 134523746838 138063845439 179364995784 184085127252 194312078766 201785620257 259082771688 269047493676 276127690878 291468118149 368170254504 388624157532 403571240514 538094987352 552255381756 582936236298 777248315064 807142481028 874404354447 1104510763512 1165872472596 1614284962056 1748808708894 2331744945192 2623213063341 3497617417788 5246426126682 6995234835576 10492852253364 20985704506728
• Sum of all divisors σ(n): 67645480628250
• Sum of proper divisors (its aliquot sum) s(n): 46659776121522
• 20985704506728 is an abundant number, because the sum of its proper divisors (46659776121522) is greater than itself. Its abundance is 25674071614794

Bases of 20985704506728

• Binary: 100110001011000011101011101100110010101101000₂
• Hexadecimal: 0x13161D766568
• Base-36: 7FSP6MMI0

Squares and roots of 20985704506728

• 20985704506728 squared (20985704506728²) is 440399793643703889797265984
• 20985704506728 cubed (20985704506728³) is 9242099934230757928420828618681733540352
• The square root of 20985704506728 is 4581015.6632266605
• The cube root of 20985704506728 is 27582.9799963729

Scales and comparisons

• 20,985,704,506,728 seconds is equal to 667,280 years, 25 weeks, 3 days, 10 hours, 58 minutes, 48 seconds.
• To count from 1 to 20,985,704,506,728 would take you about one million, six hundred sixty-eight thousand, two hundred one 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 20985704506728 cubic inches would be around 2298.6 feet tall.

Recreational maths with 20985704506728

• 20985704506728 backwards is 82760540758902
• The number of decimal digits it has is: 14
• The sum of 20985704506728's digits is 63
• More coming soon!