21010207680

Names of 21010207680

• Cardinal: 21010207680 can be written as Twenty-one billion, ten million, two hundred seven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.101020768 × 10¹⁰

Factors of 21010207680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 57

Divisors of 21010207680

• Number of divisors d(n): 1344
• 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 29 30 32 33 35 36 40 42 44 45 48 54 55 56 58 60 63 64 66 70 72 77 80 81 84 87 88 90 96 99 105 108 110 112 116 120 121 126 132 135 140 144 145 154 160 162 165 168 174 176 180 189 192 198 203 210 216 220 224 231 232 240 242 243 252 261 264 270 280 288 290 297 308 315 319 320 324 330 336 348 352 360 363 378 385 396 405 406 420 432 435 440 448 462 464 480 484 486 495 504 522 528 540 560 567 576 580 594 605 609 616 630 638 648 660 672 693 696 704 720 726 756 770 783 792 810 812 840 847 864 870 880 891 924 928 945 957 960 968 972 990 1008 1015 1044 1056 1080 1089 1120 1134 1155 1160 1188 1210 1215 1218 1232 1260 1276 1296 1305 1320 1331 1344 1386 1392 1440 1452 1485 1512 1540 1566 1584 1595 1620 1624 1680 1694 1701 1728 1740 1760 1782 1815 1827 1848 1856 1890 1914 1936 1944 1980 2016 2030 2079 2088 2112 2160 2178 2233 2240 2268 2310 2320 2349 2376 2420 2430 2436 2464 2520 2541 2552 2592 2610 2640 2662 2673 2772 2784 2835 2871 2880 2904 2970 3024 3045 3080 3132 3168 3190 3240 3248 3267 3360 3388 3402 3465 3480 3509 3520 3564 3630 3654 3696 3780 3828 3872 3888 3915 3960 3993 4032 4060 4158 4176 4235 4320 4356 4455 4466 4536 4620 4640 4698 4752 4785 4840 4860 4872 4928 5040 5082 5104 5184 5220 5280 5324 5346 5445 5481 5544 5568 5670 5742 5808 5940 6048 6090 6160 6237 6264 6336 6380 6480 6496 6534 6655 6699 6720 6776 6804 6930 6960 7018 7047 7128 7260 7308 7392 7560 7623 7656 7744 7776 7830 7920 7986 8120 8316 8352 8470 8505 8613 8640 8712 8910 8932 9072 9135 9240 9280 9317 9396 9504 9570 9680 9720 9744 9801 10080 10164 10208 10395 10440 10527 10560 10648 10692 10890 10962 11088 11165 11340 11484 11616 11745 11880 11979 12096 12180 12320 12474 12528 12705 12760 12960 12992 13068 13310 13365 13398 13552 13608 13860 13920 14036 14094 14256 14355 14520 14616 14784 15120 15246 15312 15552 15660 15840 15972 16240 16335 16443 16632 16704 16940 17010 17226 17424 17545 17820 17864 18144 18270 18480 18634 18711 18792 19008 19140 19360 19440 19488 19602 19965 20097 20160 20328 20416 20790 20880 21054 21296 21384 21780 21924 22176 22330 22680 22869 22968 23232 23490 23760 23958 24360 24563 24640 24948 25056 25410 25520 25839 25920 26136 26620 26730 26796 27104 27216 27405 27720 27840 27951 28072 28188 28512 28710 29040 29232 29403 30240 30492 30624 31185 31320 31581 31680 31944 32480 32670 32886 33264 33495 33880 34020 34452 34848 35090 35235 35640 35728 35937 36288 36540 36960 37268 37422 37584 38115 38280 38599 38720 38880 38976 39204 39930 40194 40656 41580 41760 42108 42592 42768 43065 43560 43848 44352 44660 45360 45738 45936 46585 46980 47520 47916 48720 49005 49126 49329 49896 50112 50820 51040 51678 52272 52635 53240 53460 53592 54208 54432 54810 55440 55902 56144 56376 57024 57420 58080 58464 58806 59895 60291 60480 60984 61248 62370 62640 63162 63888 64960 65340 65772 66528 66990 67760 68040 68607 68904 69696 70180 70470 71280 71456 71874 73080 73689 73920 74536 74844 75168 76230 76560 77198 77517 77760 78408 79860 80388 81312 82215 83160 83520 83853 84216 85184 85536 86130 87120 87696 89320 90720 91476 91872 93170 93555 93960 94743 95040 95832 97440 98010 98252 98658 99792 100485 101640 102080 103356 104544 105270 106480 106920 107184 107811 108864 109620 110880 111804 112288 112752 114345 114840 115797 116160 116928 117612 119790 120582 121968 122815 124740 125280 126324 127776 129195 130680 131544 133056 133980 135520 136080 137214 137808 139755 140360 140940 142560 142912 143748 146160 147015 147378 149072 149688 150336 152460 153120 154396 155034 156816 157905 159720 160776 162624 164430 166320 167706 168432 171072 172260 174240 175392 178640 179685 180873 181440 182952 183744 186340 187110 187920 189486 191664 192995 194880 196020 196504 197316 199584 200970 203280 205821 206712 209088 210540 212960 213840 214368 215622 219240 221067 221760 223608 224576 225504 228690 229680 231594 235224 239580 241164 243936 245630 246645 249480 250560 251559 252648 255552 258390 261360 263088 267960 270193 271040 272160 274428 275616 279510 280720 281880 284229 285120 287496 292320 294030 294756 298144 299376 301455 304920 306240 308792 310068 313632 315810 319440 321552 323433 328860 332640 335412 336864 343035 344520 347391 348480 350784 357280 359370 361746 365904 368445 372680 374220 375840 378972 383328 385990 387585 392040 393008 394632 399168 401940 406560 411642 413424 419265 421080 425920 427680 428736 431244 438480 442134 447216 451008 457380 459360 463188 470448 473715 479160 482328 487872 491260 493290 498960 503118 505296 516780 522720 526176 535920 539055 540386 542619 544320 548856 551232 559020 561440 563760 568458 574992 578985 584640 588060 589512 596288 598752 602910 609840 617584 620136 627264 631620 638880 643104 646866 657720 663201 665280 670824 673728 686070 689040 694782 714560 718740 723492 731808 736890 745360 748440 751680 754677 757944 766656 771980 775170 784080 786016 789264 803880 810579 813120 823284 826848 838530 842160 852687 855360 862488 876960 884268 894432 904365 914760 918720 926376 940896 947430 958320 964656 982520 986580 997920 1006236 1010592 1029105 1033560 1042173 1045440 1052352 1071840 1078110 1080772 1085238 1097712 1105335 1118040 1122880 1127520 1136916 1149984 1157970 1176120 1179024 1197504 1205820 1219680 1235168 1240272 1257795 1263240 1277760 1286208 1293732 1315440 1326402 1341648 1350965 1372140 1378080 1389564 1421145 1437480 1446984 1463616 1473780 1490720 1496880 1509354 1515888 1543960 1550340 1568160 1572032 1578528 1607760 1617165 1621158 1646568 1653696 1677060 1684320 1705374 1724976 1736955 1753920 1768536 1788864 1808730 1829520 1852752 1881792 1894860 1916640 1929312 1965040 1973160 1989603 1995840 2012472 2021184 2058210 2067120 2084346 2143680 2156220 2161544 2170476 2195424 2210670 2236080 2255040 2264031 2273832 2299968 2315940 2352240 2358048 2411640 2431737 2439360 2470336 2480544 2515590 2526480 2587464 2630880 2652804 2683296 2701930 2713095 2744280 2756160 2779128 2842290 2874960 2893968 2947560 2981440 2993760 3018708 3031776 3087920 3100680 3126519 3136320 3157056 3215520 3234330 3242316 3293136 3316005 3354120 3368640 3410748 3449952 3473910 3537072 3617460 3659040 3705504 3773385 3789720 3833280 3858624 3930080 3946320 3979206 4024944 4052895 4116420 4134240 4168692 4263435 4312440 4323088 4340952 4390848 4421340 4472160 4528062 4547664 4631880 4704480 4716096 4823280 4863474 4961088 5031180 5052960 5174928 5210865 5261760 5305608 5366592 5403860 5426190 5488560 5558256 5684580 5749920 5787936 5895120 5968809 5987520 6037416 6063552 6175840 6201360 6253038 6431040 6468660 6484632 6586272 6632010 6708240 6821496 6899904 6947820 7074144 7234920 7295211 7318080 7411008 7546770 7579440 7860160 7892640 7958412 8049888 8105790 8232840 8268480 8337384 8526870 8624880 8646176 8681904 8842680 8944320 9056124 9095328 9263760 9379557 9408960 9646560 9726948 9948015 10062360 10105920 10349856 10421730 10611216 10807720 10852380 10977120 11116512 11320155 11369160 11499840 11575872 11790240 11937618 12074832 12158685 12351680 12402720 12506076 12937320 12969264 13172544 13264020 13416480 13642992 13895640 14148288 14469840 14590422 15093540 15158880 15632595 15785280 15916824 16099776 16211580 16465680 16674768 17053740 17249760 17292352 17363808 17685360 18112248 18190656 18527520 18759114 19293120 19453896 19896030 20124720 20699712 20843460 21222432 21615440 21704760 21885633 21954240 22233024 22640310 22738320 23580480 23875236 24149664 24317370 24805440 25012152 25874640 25938528 26528040 26832960 27285984 27791280 28939680 29180844 29844045 30187080 30317760 31265190 31833648 32423160 32931360 33349536 34107480 34499520 34727616 35370720 36224496 36476055 37055040 37518228 38907792 39792060 40249440 41686920 42444864 43230880 43409520 43771266 45280620 45476640 46897785 47750472 48299328 48634740 50024304 51749280 51877056 53056080 54571968 55582560 57879360 58361688 59688090 60374160 62530380 63667296 64846320 65656899 65862720 66699072 68214960 70741440 72448992 72952110 75036456 77815584 79584120 80498880 83373840 86461760 86819040 87542532 90561240 90953280 93795570 95500944 97269480 100048608 103498560 106112160 109428165 111165120 116723376 119376180 120748320 125060760 127334592 129692640 131313798 136429920 144897984 145904220 150072912 155631168 159168240 166747680 173638080 175085064 181122480 187591140 191001888 194538960 200097216 212224320 218856330 233446752 238752360 241496640 250121520 259385280 262627596 272859840 291808440 300145824 318336480 328284495 333495360 350170128 362244960 375182280 382003776 389077920 437712660 466893504 477504720 500243040 525255192 583616880 600291648 636672960 656568990 700340256 724489920 750364560 778155840 875425320 955009440 1000486080 1050510384 1167233760 1313137980 1400680512 1500729120 1750850640 1910018880 2101020768 2334467520 2626275960 3001458240 3501701280 4202041536 5252551920 7003402560 10505103840 21010207680
• Sum of all divisors σ(n): 97456020480
• Sum of proper divisors (its aliquot sum) s(n): 76445812800
• 21010207680 is an abundant number, because the sum of its proper divisors (76445812800) is greater than itself. Its abundance is 55435605120

Bases of 21010207680

• Binary: 10011100100010011100101001111000000₂
• Hexadecimal: 0x4E44E53C0
• Base-36: 9NGXO00

Squares and roots of 21010207680

• 21010207680 squared (21010207680²) is 441428826756730982400
• 21010207680 cubed (21010207680³) is 9274511326097658778114424832000
• The square root of 21010207680 is 144948.9830250629
• The cube root of 21010207680 is 2759.3711232595

Scales and comparisons

• 21,010,207,680 seconds is equal to 668 years, 3 weeks, 16 hours, 48 minutes.
• To count from 1 to 21,010,207,680 would take you about one thousand, three hundred thirty-six 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 21010207680 cubic inches would be around 229.9 feet tall.

Recreational maths with 21010207680

• 21010207680 backwards is 08670201012
• 21010207680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21010207680's digits is 27
• More coming soon!