21553450689420

Names of 21553450689420

• Cardinal: 21553450689420 can be written as Twenty-one trillion, five hundred fifty-three billion, four hundred fifty million, six hundred eighty-nine thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.155345068942 × 10¹³

Factors of 21553450689420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 94

Divisors of 21553450689420

• Number of divisors d(n): 780
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 71 78 81 90 108 117 130 135 142 156 162 169 180 195 213 234 243 260 270 284 324 338 351 355 390 405 426 468 486 507 540 585 639 676 702 710 729 780 810 845 852 923 972 1014 1053 1065 1170 1215 1278 1404 1420 1458 1521 1620 1690 1755 1846 1917 2028 2106 2130 2187 2197 2340 2430 2535 2556 2769 2916 3042 3159 3195 3380 3510 3645 3692 3834 4212 4260 4374 4394 4563 4615 4860 5070 5265 5538 5751 6084 6318 6390 6561 6591 7020 7290 7605 7668 8307 8748 8788 9126 9230 9477 9585 10140 10530 10935 10985 11076 11502 11999 12636 12780 13122 13182 13689 13845 14580 15210 15795 16614 17253 18252 18460 18954 19170 19683 19773 21060 21870 21970 22815 23004 23998 24921 26244 26364 27378 27690 28431 28561 28755 30420 31590 32805 32955 33228 34506 35997 37908 38340 39366 39546 41067 41535 43740 43940 45630 47385 47996 49842 51759 54756 55380 56862 57122 57510 59049 59319 59995 63180 65610 65910 68445 69012 71994 74763 78732 79092 82134 83070 85293 85683 86265 91260 94770 98415 98865 99684 103518 107991 113724 114244 115020 118098 118638 119990 123201 124605 131220 131820 136890 142155 142805 143988 149526 155277 155987 164268 166140 170586 171366 172530 177147 177957 179985 189540 196830 197730 205335 207036 215982 224289 236196 237276 239980 246402 249210 255879 257049 258795 273780 284310 285610 295245 296595 299052 310554 311974 323973 341172 342732 345060 354294 355914 359970 369603 373815 393660 395460 410670 426465 428415 431964 448578 465831 467961 492804 498420 511758 514098 517590 531441 533871 539955 568620 571220 590490 593190 616005 621108 623948 647946 672867 708588 711828 719940 739206 747630 767637 771147 776385 779935 821340 852930 856830 885735 889785 897156 931662 935922 971919 1023516 1028196 1035180 1062882 1067742 1079910 1108809 1121445 1180980 1186380 1232010 1279395 1285245 1295892 1345734 1397493 1403883 1478412 1495260 1535274 1542294 1552770 1559870 1601613 1619865 1705860 1713660 1771470 1779570 1848015 1863324 1871844 1943838 2018601 2027831 2125764 2135484 2159820 2217618 2242890 2302911 2313441 2329155 2339805 2464020 2558790 2570490 2657205 2669355 2691468 2794986 2807766 2915757 3070548 3084588 3105540 3119740 3203226 3239730 3326427 3364335 3542940 3559140 3696030 3838185 3855735 3887676 4037202 4055662 4192479 4211649 4435236 4485780 4605822 4626882 4658310 4679610 4804839 4859595 5117580 5140980 5314410 5338710 5544045 5589972 5615532 5831514 6055803 6083493 6406452 6479460 6652854 6728670 6908733 6940323 6987465 7019415 7392060 7676370 7711470 8008065 8074404 8111324 8384958 8423298 8747271 9211644 9253764 9316620 9359220 9609678 9719190 9979281 10093005 10139155 10628820 10677420 11088090 11514555 11567205 11663028 12111606 12166986 12577437 12634947 13305708 13457340 13817466 13880646 13974930 14038830 14414517 14578785 15352740 15422940 16016130 16632135 16769916 16846596 17494542 18167409 18250479 19219356 19438380 19958562 20186010 20278310 20820969 20962395 21058245 22176180 23029110 23134410 24024195 24223212 24333972 25154874 25269894 26241813 27634932 27761292 27949860 28077660 28829034 29157570 29937843 30279015 30417465 32032260 33264270 34543665 34701615 34989084 36334818 36500958 37732311 37904841 39917124 40372020 40556620 41641938 41924790 42116490 43243551 43736355 46058220 46268820 48048390 49896405 50309748 50539788 52483626 54502227 54751437 57658068 58315140 59875686 60558030 60834930 62462907 62887185 63174735 66528540 69087330 69403230 72072585 72669636 73001916 75464622 75809682 78725439 83283876 83849580 84232980 86487102 87472710 89813529 90837045 91252395 96096780 99792810 104104845 104967252 109004454 109502874 113714523 119751372 121116060 121669860 124925814 125774370 126349470 129730653 131209065 138174660 138806460 144145170 149689215 150929244 151619364 157450878 163506681 164254311 172974204 174945420 179627058 181674090 182504790 187388721 188661555 189524205 199585620 208209690 216217755 218008908 219005748 227429046 236176317 249851628 251548740 252698940 259461306 262418130 272511135 273757185 288290340 299378430 312314535 314901756 327013362 328508622 341143569 359254116 363348180 365009580 374777442 377323110 379048410 389191959 393627195 416419380 432435510 449067645 454858092 472352634 490520043 492762933 518922612 524836260 545022270 547514370 562166163 568572615 598756860 624629070 648653265 654026724 657017244 682287138 708528951 749554884 754646220 758096820 778383918 787254390 817533405 821271555 864871020 898135290 936943605 944705268 981040086 985525866 1023430707 1090044540 1095028740 1124332326 1137145230 1167575877 1180881585 1249258140 1297306530 1364574276 1417057902 1478288799 1556767836 1574508780 1635066810 1642543110 1686498489 1705717845 1796270580 1873887210 1945959795 1962080172 1971051732 2046861414 2125586853 2248664652 2274290460 2335151754 2361763170 2452600215 2463814665 2594613060 2810830815 2834115804 2956577598 3070292121 3270133620 3285086220 3372996978 3411435690 3542644755 3747774420 3891919590 4093722828 4251173706 4434866397 4670303508 4723526340 4905200430 4927629330 5059495467 5117153535 5621661630 5837879385 5913155196 6140584242 6376760559 6745993956 6822871380 7085289510 7391443995 7783839180 8432492445 8502347412 8869732794 9210876363 9810400860 9855258660 10118990934 10234307070 10627934265 11243323260 11675758770 12281168484 12753521118 13304599191 14170579020 14782887990 15178486401 15351460605 16864984890 17739465588 18421752726 20237981868 20468614140 21255868530 22174331985 23351517540 25297477335 25507042236 26609198382 27632629089 29565775980 30356972802 30702921210 31883802795 33729969780 36843505452 39913797573 42511737060 44348663970 46054381815 50594954670 53218396764 55265258178 60713945604 61405842420 63767605590 66522995955 75892432005 79827595146 82897887267 88697327940 92108763630 101189909340 110530516356 119741392719 127535211180 133045991910 138163145445 151784864010 159655190292 165795774534 184217527260 199568987865 239482785438 266091983820 276326290890 303569728020 331591549068 359224178157 399137975730 414489436335 478965570876 552652581780 598706963595 718448356314 798275951460 828978872670 1077672534471 1197413927190 1436896712628 1657957745340 1796120890785 2155345068942 2394827854380 3592241781570 4310690137884 5388362672355 7184483563140 10776725344710 21553450689420
• Sum of all divisors σ(n): 74586834507024
• Sum of proper divisors (its aliquot sum) s(n): 53033383817604
• 21553450689420 is an abundant number, because the sum of its proper divisors (53033383817604) is greater than itself. Its abundance is 31479933128184

Bases of 21553450689420

• Binary: 100111001101001001101110001011010001110001100₂
• Hexadecimal: 0x139A4DC5A38C
• Base-36: 7N1IO1OR0

Squares and roots of 21553450689420

• 21553450689420 squared (21553450689420²) is 464551236621259473299936400
• 21553450689420 cubed (21553450689420³) is 10012682171225398546225220283022152888000
• The square root of 21553450689420 is 4642569.4059884555
• The cube root of 21553450689420 is 27829.5128020705

Scales and comparisons

• 21,553,450,689,420 seconds is equal to 685,333 years, 3 weeks, 1 day, 19 hours, 57 minutes.
• To count from 1 to 21,553,450,689,420 would take you about one million, seven hundred thirteen thousand, three hundred thirty-two 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 21553450689420 cubic inches would be around 2319.1 feet tall.

Recreational maths with 21553450689420

• 21553450689420 backwards is 02498605435512
• 21553450689420 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21553450689420's digits is 54
• More coming soon!