21036818880

Names of 21036818880

• Cardinal: 21036818880 can be written as Twenty-one billion, thirty-six million, eight hundred eighteen thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.103681888 × 10¹⁰

Factors of 21036818880

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 438

Divisors of 21036818880

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 27 28 30 32 33 35 36 40 42 44 45 48 54 55 56 60 63 64 66 70 72 77 80 84 88 90 96 99 103 105 108 110 112 120 126 132 135 140 144 154 160 165 168 176 180 189 192 198 206 210 216 220 224 231 240 252 264 270 280 288 297 307 308 309 315 320 330 336 352 360 378 385 396 412 420 432 440 448 462 480 495 504 515 528 540 560 576 594 614 616 618 630 660 672 693 704 720 721 756 770 792 824 840 864 880 921 924 927 945 960 990 1008 1030 1056 1080 1120 1133 1155 1188 1228 1232 1236 1260 1320 1344 1386 1440 1442 1485 1512 1535 1540 1545 1584 1648 1680 1728 1760 1842 1848 1854 1890 1980 2016 2060 2079 2112 2149 2160 2163 2240 2266 2310 2376 2456 2464 2472 2520 2640 2763 2772 2781 2880 2884 2970 3024 3070 3080 3090 3168 3296 3360 3377 3399 3465 3520 3605 3684 3696 3708 3780 3960 4032 4120 4158 4298 4320 4326 4532 4605 4620 4635 4752 4912 4928 4944 5040 5280 5526 5544 5562 5665 5768 5940 6048 6140 6160 6180 6336 6447 6489 6592 6720 6754 6798 6930 7210 7368 7392 7416 7560 7920 7931 8240 8289 8316 8596 8640 8652 9064 9210 9240 9270 9504 9824 9888 10080 10131 10197 10395 10560 10745 10815 11052 11088 11124 11330 11536 11880 12096 12280 12320 12360 12894 12978 13508 13596 13815 13860 13905 14420 14736 14784 14832 15120 15840 15862 16480 16578 16632 16885 16995 17192 17304 18128 18420 18480 18540 19008 19341 19467 19648 19776 20160 20262 20394 20790 21490 21630 22104 22176 22248 22660 23072 23639 23760 23793 24560 24640 24720 25788 25956 27016 27192 27630 27720 27810 28840 29472 29664 30240 30393 30591 31621 31680 31724 32235 32445 32960 33156 33264 33770 33990 34384 34608 36256 36840 36960 37080 38682 38934 39655 40524 40788 41445 41580 42980 43260 44208 44352 44496 45320 46144 47278 47520 47586 49120 49440 50655 50985 51576 51912 54032 54384 55260 55440 55620 57680 58023 58944 59328 60480 60786 61182 63242 63448 64470 64890 66312 66528 67540 67980 68768 69216 70917 71379 72512 73680 73920 74160 77364 77868 79310 81048 81576 82890 83160 85960 86520 88416 88992 90640 91179 94556 94863 95040 95172 96705 97335 98240 98880 101310 101970 103152 103824 108064 108768 110520 110880 111240 115360 116046 118195 118965 121572 122364 126484 126896 128940 129780 132624 133056 135080 135960 137536 138432 141834 142758 147360 148320 151965 152955 154728 155736 158105 158620 162096 163152 165780 166320 171920 173040 176832 177984 181280 182358 189112 189726 190344 193410 194670 202620 203940 206304 207648 212751 214137 216128 217536 221040 221347 221760 222480 230720 232092 236390 237930 243144 244728 252968 253792 257880 259560 265248 270160 271920 283668 284589 285516 290115 294720 296640 303930 305910 309456 311472 316210 317240 324192 326304 331560 332640 343840 346080 347831 354585 356895 362560 364716 378224 379452 380688 386820 389340 405240 407880 412608 415296 425502 428274 442080 442694 444960 455895 464184 472780 474315 475860 486288 489456 505936 507584 515760 519120 530496 540320 543840 567336 569178 571032 580230 607860 611820 618912 622944 632420 634480 638253 648384 652608 663120 664041 665280 687680 692160 695662 709170 713790 729432 756448 758904 761376 773640 778680 810480 815760 851004 853767 856548 884160 885388 889920 911790 928368 945560 948630 951720 972576 978912 1011872 1031520 1038240 1043493 1063755 1070685 1080640 1087680 1106735 1134672 1138356 1142064 1160460 1215720 1223640 1237824 1245888 1264840 1268960 1276506 1326240 1328082 1391324 1418340 1422945 1427580 1458864 1512896 1517808 1522752 1547280 1557360 1620960 1631520 1702008 1707534 1713096 1739155 1770776 1823580 1856736 1891120 1897260 1903440 1945152 1957824 1992123 2023744 2063040 2076480 2086986 2127510 2141370 2213470 2269344 2276712 2284128 2320920 2431440 2434817 2447280 2529680 2537920 2553012 2652480 2656164 2782648 2836680 2845890 2855160 2917728 3035616 3094560 3114720 3130479 3191265 3241920 3263040 3320205 3404016 3415068 3426192 3478310 3541552 3647160 3713472 3782240 3794520 3806880 3984246 4173972 4255020 4268835 4282740 4426940 4538688 4553424 4568256 4641840 4862880 4869634 4894560 5059360 5106024 5217465 5312328 5565296 5673360 5691780 5710320 5835456 5976369 6071232 6189120 6229440 6260958 6382530 6640410 6808032 6830136 6852384 6956620 7083104 7294320 7304451 7564480 7589040 7613760 7968492 8347944 8510040 8537670 8565480 8853880 9106848 9283680 9391437 9725760 9739268 9789120 9960615 10118720 10212048 10434930 10624656 11130592 11346720 11383560 11420640 11952738 12174085 12521916 12765060 13280820 13616064 13660272 13704768 13913240 14166208 14588640 14608902 15178080 15652395 15936984 16695888 17020080 17075340 17130960 17707760 18213696 18567360 18782874 19478536 19921230 20424096 20869860 21249312 21913353 22261184 22693440 22767120 22841280 23905476 24348170 25043832 25530120 26561640 27320544 27826480 29177280 29217804 29881845 30356160 31304790 31873968 33391776 34040160 34150680 34261920 35415520 36522255 37565748 38957072 39842460 40848192 41739720 42498624 43826706 45534240 46957185 47810952 48696340 50087664 51060240 53123280 54641088 55652960 58435608 59763690 62609580 63747936 65740059 66783552 68080320 68301360 68523840 70831040 73044510 75131496 77914144 79684920 83479440 87653412 91068480 93914370 95621904 97392680 100175328 102120480 106246560 109566765 111305920 116871216 119527380 125219160 127495872 131480118 136602720 146089020 150262992 155828288 159369840 166958880 175306824 187828740 191243808 194785360 200350656 204240960 212493120 219133530 233742432 239054760 250438320 262960236 273205440 292178040 300525984 318739680 328700295 333917760 350613648 375657480 382487616 389570720 438267060 467484864 478109520 500876640 525920472 584356080 601051968 637479360 657400590 701227296 751314960 779141440 876534120 956219040 1001753280 1051840944 1168712160 1314801180 1402454592 1502629920 1753068240 1912438080 2103681888 2337424320 2629602360 3005259840 3506136480 4207363776 5259204720 7012272960 10518409440 21036818880
• Sum of all divisors σ(n): 93728194560
• Sum of proper divisors (its aliquot sum) s(n): 72691375680
• 21036818880 is an abundant number, because the sum of its proper divisors (72691375680) is greater than itself. Its abundance is 51654556800

Bases of 21036818880

• Binary: 10011100101111001000110000111000000₂
• Hexadecimal: 0x4E5E461C0
• Base-36: 9NWS1C0

Squares and roots of 21036818880

• 21036818880 squared (21036818880²) is 442547748589924454400
• 21036818880 cubed (21036818880³) is 9309796832838016140095619072000
• The square root of 21036818880 is 145040.7490328149
• The cube root of 21036818880 is 2760.5356238349

Scales and comparisons

• 21,036,818,880 seconds is equal to 668 years, 47 weeks, 16 hours, 48 minutes.
• To count from 1 to 21,036,818,880 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 21036818880 cubic inches would be around 230 feet tall.

Recreational maths with 21036818880

• 21036818880 backwards is 08881863012
• 21036818880 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21036818880's digits is 45
• More coming soon!