21024843840

Names of 21024843840

• Cardinal: 21024843840 can be written as Twenty-one billion, twenty-four million, eight hundred forty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.102484384 × 10¹⁰

Factors of 21024843840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 58

Divisors of 21024843840

• Number of divisors d(n): 2016
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 21 22 24 26 27 28 30 32 33 34 35 36 39 40 42 44 45 48 51 52 54 55 56 60 63 64 65 66 68 70 72 77 78 80 84 85 88 90 91 96 99 102 104 105 108 110 112 117 119 120 121 126 130 132 135 136 140 143 144 153 154 156 160 165 168 169 170 176 180 182 187 189 192 195 198 204 208 210 216 220 221 224 231 234 238 240 242 252 255 260 264 270 272 273 280 286 288 297 306 308 312 315 320 330 336 338 340 351 352 357 360 363 364 374 378 385 390 396 408 416 420 429 432 440 442 448 455 459 462 468 476 480 484 495 504 507 510 520 528 540 544 546 560 561 572 576 585 594 595 605 612 616 624 630 660 663 672 676 680 693 702 704 714 715 720 726 728 748 756 765 770 780 792 816 819 832 840 845 847 858 864 880 884 910 918 924 935 936 945 952 960 968 990 1001 1008 1014 1020 1040 1056 1071 1080 1088 1089 1092 1105 1120 1122 1144 1155 1170 1183 1188 1190 1210 1224 1232 1248 1260 1287 1309 1320 1326 1344 1352 1360 1365 1386 1404 1428 1430 1440 1452 1456 1485 1496 1512 1521 1530 1540 1547 1560 1573 1584 1632 1638 1680 1683 1690 1694 1716 1728 1755 1760 1768 1785 1815 1820 1836 1848 1859 1870 1872 1890 1904 1936 1980 1989 2002 2016 2028 2040 2057 2079 2080 2112 2142 2145 2160 2178 2184 2210 2240 2244 2288 2295 2310 2340 2366 2376 2380 2420 2431 2448 2457 2464 2496 2520 2535 2541 2574 2618 2640 2652 2704 2720 2730 2772 2805 2808 2856 2860 2873 2880 2904 2912 2970 2992 3003 3024 3042 3060 3080 3094 3120 3146 3168 3213 3264 3267 3276 3315 3360 3366 3380 3388 3432 3465 3510 3520 3536 3549 3570 3630 3640 3672 3696 3718 3740 3744 3780 3808 3861 3872 3927 3960 3978 4004 4032 4056 4080 4095 4114 4158 4160 4235 4284 4290 4320 4356 4368 4420 4488 4563 4576 4590 4620 4641 4680 4719 4732 4752 4760 4840 4862 4896 4914 4928 5005 5040 5049 5070 5082 5148 5236 5280 5304 5355 5408 5440 5445 5460 5544 5577 5610 5616 5712 5720 5746 5808 5824 5915 5940 5967 5984 6006 6048 6084 6120 6160 6171 6188 6240 6292 6336 6426 6435 6534 6545 6552 6630 6720 6732 6760 6776 6864 6930 7020 7072 7098 7140 7260 7280 7293 7344 7392 7436 7480 7488 7560 7605 7616 7623 7722 7735 7744 7854 7865 7920 7956 8008 8112 8160 8190 8228 8316 8415 8470 8568 8580 8619 8640 8712 8736 8840 8976 9009 9126 9152 9180 9240 9282 9295 9360 9438 9464 9504 9520 9680 9724 9792 9828 9945 10010 10080 10098 10140 10164 10285 10296 10395 10472 10560 10608 10647 10710 10816 10890 10920 11011 11088 11154 11220 11232 11424 11440 11492 11616 11781 11830 11880 11934 11968 12012 12096 12155 12168 12240 12285 12320 12342 12376 12480 12584 12705 12852 12870 13013 13068 13090 13104 13260 13464 13520 13552 13728 13860 13923 14040 14144 14157 14196 14280 14365 14399 14520 14560 14586 14688 14784 14872 14960 15015 15120 15210 15246 15444 15470 15708 15730 15840 15912 16016 16065 16224 16320 16335 16380 16456 16632 16731 16830 16940 17017 17136 17160 17238 17424 17472 17680 17745 17952 18018 18252 18360 18480 18513 18564 18590 18720 18876 18928 19008 19040 19305 19360 19448 19635 19656 19890 20020 20111 20160 20196 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5153148 5183640 5214495 5250960 5285280 5309304 5353920 5429970 5445440 5521230 5562128 5615610 5621616 5654880 5688540 5725720 5776056 5791968 5889312 5924160 5945940 5972967 5989984 6067776 6126120 6205680 6220368 6246240 6257394 6342336 6417840 6435520 6441435 6543680 6636630 6683040 6738732 6795360 6826248 6870864 6911520 6952660 7001280 7027020 7079072 7220070 7239960 7300293 7318080 7351344 7361640 7487480 7495488 7584720 7701408 7729722 7775460 7927920 7963956 8030880 8168160 8274240 8293824 8343192 8423415 8532810 8557120 8588580 8648640 8687952 8833968 8848840 8886240 8984976 9101664 9161152 9189180 9369360 9386091 9513504 9626760 9653280 9733724 9801792 9815520 9954945 10108098 10112960 10221120 10306296 10367280 10428990 10501920 10570560 10618608 10859940 11042460 11124256 11231220 11243232 11309760 11377080 11451440 11552112 11583936 11778624 11891880 11945934 11979968 12167155 12252240 12411360 12440736 12492480 12514788 12835680 12882870 13273260 13366080 13477464 13590720 13652496 13741728 13823040 13905320 14054040 14158144 14440140 14479920 14600586 14702688 14723280 14974960 15169440 15402816 15459444 15550920 15643485 15855840 15927912 16061760 16336320 16686384 16846830 17065620 17177160 17375904 17667936 17697680 17772480 17969952 18203328 18378360 18738720 18772182 19027008 19253520 19306560 19324305 19467448 19631040 19909890 20216196 20612592 20734560 20857980 21003840 21237216 21719880 21900879 22084920 22248512 22462440 22486464 22754160 22902880 23104224 23783760 23891868 24334310 24504480 24822720 24881472 25029576 25270245 25671360 25765740 26546520 26954928 27304992 27483456 27810640 28108080 28880280 28959840 29201172 29405376 29446560 29864835 29949920 30338880 30918888 31101840 31286970 31711680 31855824 33372768 33693660 34131240 34354320 34751808 35335872 35395360 35939904 36501465 36756720 37477440 37544364 38507040 38648610 38934896 39819780 40432392 41225184 41469120 41715960 42474432 43439760 43801758 44169840 44924880 45508320 45805760 46208448 46930455 47567520 47783736 48668620 49008960 50059152 50540490 51531480 53093040 53909856 54609984 55621280 56216160 57760560 57919680 58402344 58893120 59729670 59899840 61837776 62203680 62573940 63711648 65702637 66745536 67387320 68262480 68708640 70790720 73002930 73513440 75088728 77014080 77297220 77869792 79639560 80864784 82450368 83431920 86879520 87603516 88339680 89849760 91016640 93860910 95135040 95567472 97337240 100118304 101080980 103062960 106186080 107819712 109504395 111242560 112432320 115521120 116804688 119459340 123675552 124407360 125147880 127423296 131405274 134774640 136524960 137417280 146005860 147026880 150177456 154594440 155739584 159279120 161729568 166863840 173759040 175207032 176679360 179699520 187721820 191134944 194674480 200236608 202161960 206125920 212372160 219008790 231042240 233609376 238918680 247351104 250295760 262810548 269549280 273049920 292011720 300354912 309188880 318558240 323459136 328513185 333727680 350414064 375443640 382269888 389348960 404323920 412251840 438017580 467218752 477837360 500591520 525621096 539098560 584023440 600709824 618377760 637116480 657026370 700828128 750887280 778697920 808647840 876035160 955674720 1001183040 1051242192 1168046880 1236755520 1314052740 1401656256 1501774560 1617295680 1752070320 1911349440 2102484384 2336093760 2628105480 3003549120 3504140640 4204968768 5256210960 7008281280 10512421920 21024843840
• Sum of all divisors σ(n): 106826791680
• Sum of proper divisors (its aliquot sum) s(n): 85801947840
• 21024843840 is an abundant number, because the sum of its proper divisors (85801947840) is greater than itself. Its abundance is 64777104000

Bases of 21024843840

• Binary: 10011100101001011011010100001000000₂
• Hexadecimal: 0x4E52DA840
• Base-36: 9NPNDC0

Squares and roots of 21024843840

• 21024843840 squared (21024843840²) is 442044058496385945600
• 21024843840 cubed (21024843840³) is 9293907300286339710610735104000
• The square root of 21024843840 is 144999.4615162415
• The cube root of 21024843840 is 2760.0117201771

Scales and comparisons

• 21,024,843,840 seconds is equal to 668 years, 27 weeks, 2 days, 2 hours, 24 minutes.
• To count from 1 to 21,024,843,840 would take you about one thousand, three hundred thirty-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 21024843840 cubic inches would be around 230 feet tall.

Recreational maths with 21024843840

• 21024843840 backwards is 04834842012
• 21024843840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21024843840's digits is 36
• More coming soon!