21408100566440

Names of 21408100566440

• Cardinal: 21408100566440 can be written as Twenty-one trillion, four hundred eight billion, one hundred million, five hundred sixty-six thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.140810056644 × 10¹³

Factors of 21408100566440

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4975

Divisors of 21408100566440

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 5 7 8 10 14 17 20 28 29 31 34 35 40 49 56 58 62 68 70 85 98 116 119 124 136 140 145 151 155 170 196 203 217 232 238 245 248 280 290 302 310 340 392 406 434 476 490 493 527 580 595 604 620 680 755 812 833 868 899 952 980 986 1015 1054 1057 1085 1160 1190 1208 1240 1421 1510 1519 1624 1666 1736 1798 1960 1972 2030 2108 2114 2170 2380 2465 2567 2635 2842 3020 3038 3332 3451 3596 3689 3944 4060 4165 4216 4228 4340 4379 4495 4681 4733 4760 4930 5134 5270 5285 5684 6040 6076 6293 6664 6902 7105 7192 7378 7399 7595 8120 8330 8456 8680 8758 8990 9362 9466 9860 10268 10540 10570 11368 12152 12586 12835 13804 14210 14756 14798 15190 15283 16660 17255 17516 17969 17980 18445 18724 18932 19720 20536 21080 21140 21895 23405 23665 24157 25172 25670 25823 27608 28420 29512 29596 30380 30566 30653 31465 32767 33131 33320 34510 35032 35938 35960 36890 36995 37448 37864 42280 43790 44051 46810 47330 48314 50344 51340 51646 56840 59192 60760 61132 61306 62930 65534 66262 69020 71876 73780 73990 74443 76415 79577 80461 87580 88102 89845 93620 94660 96628 102680 103292 106981 120785 122264 122612 125783 125860 129115 131068 132524 135749 137257 138040 143752 146723 147560 147980 148886 152830 153265 159154 160922 163835 165655 175160 176204 179690 187240 189320 193256 206584 213962 214571 220255 229369 231917 241570 245224 251566 251720 258230 262136 265048 271498 274514 293446 295960 297772 305660 306530 318308 321844 327670 331310 352408 359380 372215 397885 402305 427924 429142 440510 458738 463834 483140 503132 516460 521101 534905 542996 549028 557039 563227 586892 595544 611320 613060 628915 636616 643688 655340 662620 678745 686285 714683 718760 733615 744430 748867 795770 804610 855848 858284 881020 917476 927668 950243 960799 966280 1006264 1027061 1032920 1042202 1069810 1072855 1085992 1098056 1114078 1126454 1146845 1159585 1173784 1226120 1257830 1310680 1325240 1357490 1372570 1429366 1467230 1488860 1497734 1591540 1609220 1716568 1762040 1834952 1855336 1900486 1921598 2054122 2084404 2139620 2145710 2228156 2252908 2293690 2307733 2319170 2333369 2494291 2515660 2605505 2714980 2745140 2785195 2816135 2858732 2934460 2977720 2995468 3183080 3218440 3573415 3647707 3744335 3800972 3843196 3899273 3942589 4108244 4168808 4254967 4279240 4291420 4456312 4505816 4587380 4615466 4638340 4666738 4751215 4803995 4988582 5002781 5031320 5135305 5211010 5429960 5490280 5570390 5632270 5717464 5868920 5990936 6651701 6725593 7146830 7189427 7295414 7488670 7601944 7686392 7798546 7885178 8216488 8509934 8582840 9174760 9230932 9276680 9333476 9502430 9607990 9977164 10005562 10270610 10422020 11140780 11264540 11538665 11666845 12149611 12471455 13303402 13451186 14293660 14378854 14590828 14977340 15597092 15770356 16154131 16333583 17019868 17460037 18238535 18461864 18666952 19004860 19215980 19496365 19712945 19954328 20011124 20541220 20725807 20844040 21274835 22155173 22281560 22529080 23077330 23333690 24299222 24942910 25013905 26606804 26902372 28587320 28757708 29181656 29784769 29954680 31194184 31540712 32308262 32667166 33258505 33627965 34039736 34920074 35019467 35947135 36477070 38009720 38431960 38992730 39425890 40022248 41082440 41451614 42549670 44310346 46154660 46667380 48598444 49885820 50027810 53213608 53804744 57515416 59569538 60748055 64616524 65334332 66517010 67255930 69840148 70038934 71894270 72334439 72954140 77985460 78851780 80770655 81667915 82903228 85047277 85099340 87300185 88620692 92309320 93334760 97196888 99771640 100055620 103629035 110775865 113078917 114335081 119139076 121496110 122220259 129233048 130668664 133034020 134511860 139680296 140077868 143788540 144668878 145080649 145908280 148923845 155086211 155970920 157703560 161541310 163335830 165806456 170094554 170198680 174600370 175097335 177241384 200111240 207258070 208493383 221551730 226157834 228670162 238278152 242992220 244440518 266068040 269023720 280155736 287577080 289337756 290161298 297847690 310172422 323082620 326671660 340189108 349200740 350194670 352338719 361672195 376637941 414516140 416986766 425236385 443103460 452315668 457340324 485984440 488881036 506341073 565394585 571675405 578675512 580322596 595330939 595695380 611101295 620344844 642500017 646165240 653343320 680378216 698401480 700389340 704677438 723344390 725403245 753275882 775431055 829032280 833973532 850472770 886206920 904631336 914680648 977762072 1012682146 1015564543 1042466915 1085603477 1130789170 1143350810 1160645192 1190661878 1191390760 1222202590 1240689688 1285000034 1400778680 1409354876 1446688780 1450806490 1506551764 1550862110 1667947064 1700945540 1761693595 1883189705 2025364292 2031129086 2084933830 2171206954 2261578340 2286701620 2381323756 2444405180 2466371033 2531705365 2570000068 2636465587 2818709752 2893377560 2901612980 2976654695 3013103528 3101724220 3212500085 3401891080 3523387190 3544387511 3766379410 4050728584 4062258172 4169867660 4342413908 4497500119 4523156680 4573403240 4762647512 4888810360 4932742066 5063410730 5077822715 5140000136 5272931174 5428017385 5803225960 5953309390 6203448440 6425000170 7046774380 7088775022 7532758820 8124516344 8339735320 8684827816 8995000238 9865484132 10126821460 10155645430 10545862348 10856034770 10922500289 11906618780 12331855165 12850000340 13182327935 14093548760 14177550044 15065517640 17264597231 17721937555 17990000476 18455259109 19730968264 20253642920 20311290860 21091724696 21712069540 21845000578 22487500595 23813237560 24663710330 25700000680 26364655870 28355100088 31482500833 34529194462 35443875110 35980000952 36910518218 40622581720 43424139080 43690001156 44975001190 49327420660 52729311740 54612501445 62965001666 69058388924 70887750220 73821036436 76457502023 86322986155 87380002312 89950002380 92276295545 98654841320 105458623480 109225002890 125930003332 138116777848 141775500440 147642072872 152915004046 157412504165 172645972310 179900004760 184552591090 218450005780 251860006664 305830008092 314825008330 345291944620 369105182180 382287510115 436900011560 535202514161 611660016184 629650016660 690583889240 738210364360 764575020230 1070405028322 1259300033320 1529150040460 2140810056644 2676012570805 3058300080920 4281620113288 5352025141610 10704050283220 21408100566440
• Sum of all divisors σ(n): 63787112755200
• Sum of proper divisors (its aliquot sum) s(n): 42379012188760
• 21408100566440 is an abundant number, because the sum of its proper divisors (42379012188760) is greater than itself. Its abundance is 20970911622320

Bases of 21408100566440

• Binary: 100110111100001110110001110101100010110101000₂
• Hexadecimal: 0x1378763AC5A8
• Base-36: 7L6QUC42W

Squares and roots of 21408100566440

• 21408100566440 squared (21408100566440²) is 458306769862808648854273600
• 21408100566440 cubed (21408100566440³) is 9811477419503280556626505713174737984000
• The square root of 21408100566440 is 4626888.8647167655
• The cube root of 21408100566440 is 27766.8136361435

Scales and comparisons

• 21,408,100,566,440 seconds is equal to 680,711 years, 19 weeks, 4 days, 17 hours, 47 minutes, 20 seconds.
• To count from 1 to 21,408,100,566,440 would take you about one million, seven hundred one thousand, seven hundred seventy-eight 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 21408100566440 cubic inches would be around 2313.9 feet tall.

Recreational maths with 21408100566440

• 21408100566440 backwards is 04466500180412
• The number of decimal digits it has is: 14
• The sum of 21408100566440's digits is 41
• More coming soon!