21130087680

Names of 21130087680

• Cardinal: 21130087680 can be written as Twenty-one billion, one hundred thirty million, eighty-seven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.113008768 × 10¹⁰

Factors of 21130087680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 341

Divisors of 21130087680

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 61 64 65 72 78 80 81 90 96 104 108 117 120 122 128 130 135 144 156 160 162 180 183 192 195 208 216 234 240 244 256 257 260 270 288 305 312 320 324 351 360 366 384 390 405 416 432 468 480 488 514 520 540 549 576 585 610 624 640 648 702 720 732 768 771 780 793 810 832 864 915 936 960 976 1028 1040 1053 1080 1098 1152 1170 1220 1248 1280 1285 1296 1404 1440 1464 1542 1560 1586 1620 1647 1664 1728 1755 1830 1872 1920 1952 2056 2080 2106 2160 2196 2304 2313 2340 2379 2440 2496 2570 2592 2745 2808 2880 2928 3084 3120 3172 3240 3294 3328 3341 3456 3510 3660 3744 3840 3855 3904 3965 4112 4160 4212 4320 4392 4626 4680 4758 4880 4941 4992 5140 5184 5265 5490 5616 5760 5856 6168 6240 6344 6480 6588 6682 6912 6939 7020 7137 7320 7488 7710 7808 7930 8224 8235 8320 8424 8640 8784 9252 9360 9516 9760 9882 9984 10023 10280 10368 10530 10980 11232 11520 11565 11712 11895 12336 12480 12688 12960 13176 13364 13878 14040 14274 14640 14976 15420 15616 15677 15860 16448 16470 16640 16705 16848 17280 17568 18504 18720 19032 19520 19764 20046 20560 20736 20817 21060 21411 21960 22464 23130 23424 23790 24672 24705 24960 25376 25920 26352 26728 27756 28080 28548 29280 29952 30069 30840 31354 31720 32896 32940 33410 33696 34560 34695 35136 35685 37008 37440 38064 39040 39528 40092 41120 41634 42120 42822 43920 44928 46260 46848 47031 47580 49344 49410 49920 50115 50752 51840 52704 53456 55512 56160 57096 58560 60138 61680 62708 63440 64233 65792 65880 66820 67392 69390 70272 71370 74016 74880 76128 78080 78385 79056 80184 82240 83268 84240 85644 87840 89856 90207 92520 94062 95160 98688 98820 100230 101504 103680 104085 105408 106912 107055 111024 112320 114192 117120 120276 123360 125416 126880 128466 131760 133640 134784 138780 140544 141093 142740 148032 149760 150345 152256 156770 158112 160368 164480 166536 168480 171288 175680 180414 185040 188124 190320 197376 197640 200460 203008 203801 208170 210816 213824 214110 222048 224640 228384 234240 235155 240552 246720 250832 253760 256932 263520 267280 269568 270621 277560 282186 285480 296064 300690 304512 313540 316224 320736 321165 328960 333072 336960 342576 351360 360828 370080 376248 380640 395280 400920 407602 416340 421632 423279 427648 428220 444096 449280 451035 456768 470310 481104 493440 501664 507520 513864 527040 534560 541242 555120 564372 570960 592128 601380 609024 611403 627080 632448 641472 642330 666144 673920 685152 702720 705465 721656 740160 752496 761280 790560 801840 815204 832680 846558 855296 856440 888192 902070 913536 940620 962208 986880 1003328 1015040 1019005 1027728 1054080 1069120 1082484 1110240 1128744 1141920 1202760 1222806 1254160 1264896 1269837 1282944 1284660 1332288 1347840 1353105 1370304 1410930 1443312 1480320 1504992 1522560 1581120 1603680 1630408 1665360 1693116 1712880 1776384 1804140 1827072 1834209 1881240 1924416 2006656 2038010 2055456 2108160 2116395 2138240 2164968 2220480 2257488 2283840 2405520 2445612 2508320 2539674 2565888 2569320 2664576 2706210 2740608 2821860 2886624 2960640 3009984 3045120 3057015 3162240 3207360 3260816 3330720 3386232 3425760 3608280 3668418 3762480 3848832 4013312 4076020 4110912 4232790 4276480 4329936 4440960 4514976 4567680 4811040 4891224 5016640 5079348 5138640 5329152 5412420 5481216 5502627 5643720 5773248 6019968 6114030 6324480 6349185 6414720 6521632 6661440 6772464 6851520 7216560 7336836 7524960 7697664 8152040 8221824 8465580 8659872 8881920 9029952 9135360 9171045 9622080 9782448 10033280 10158696 10277280 10824840 11005254 11287440 11546496 12039936 12228060 12698370 12829440 13043264 13322880 13544928 13703040 14433120 14673672 15049920 16304080 16443648 16507881 16931160 17319744 18059904 18342090 19244160 19564896 20066560 20317392 20554560 21649680 22010508 22574880 23092992 24456120 25396740 26086528 26645760 27089856 27406080 27513135 28866240 29347344 30099840 32608160 33015762 33862320 34639488 36119808 36684180 38488320 39129792 40634784 41109120 43299360 44021016 45149760 48912240 50793480 52173056 54179712 55026270 57732480 58694688 60199680 65216320 66031524 67724640 69278976 73368360 78259584 81269568 82218240 82539405 86598720 88042032 90299520 97824480 101586960 108359424 110052540 115464960 117389376 130432640 132063048 135449280 146736720 156519168 162539136 165078810 173197440 176084064 180599040 195648960 203173920 220105080 234778752 260865280 264126096 270898560 293473440 325078272 330157620 346394880 352168128 391297920 406347840 440210160 469557504 528252192 541797120 586946880 660315240 704336256 782595840 812695680 880420320 1056504384 1173893760 1320630480 1408672512 1625391360 1760840640 2113008768 2347787520 2641260960 3521681280 4226017536 5282521920 7043362560 10565043840 21130087680
• Sum of all divisors σ(n): 83080088784
• Sum of proper divisors (its aliquot sum) s(n): 61950001104
• 21130087680 is an abundant number, because the sum of its proper divisors (61950001104) is greater than itself. Its abundance is 40819913424

Bases of 21130087680

• Binary: 10011101011011100111000110100000000₂
• Hexadecimal: 0x4EB738D00
• Base-36: 9PGB400

Squares and roots of 21130087680

• 21130087680 squared (21130087680²) is 446480605364487782400
• 21130087680 cubed (21130087680³) is 9434174338771105200400760832000
• The square root of 21130087680 is 145361.9196350957
• The cube root of 21130087680 is 2764.6093112119

Scales and comparisons

• 21,130,087,680 seconds is equal to 671 years, 45 weeks, 2 days, 4 hours, 48 minutes.
• To count from 1 to 21,130,087,680 would take you about one thousand, three hundred forty-three 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 21130087680 cubic inches would be around 230.4 feet tall.

Recreational maths with 21130087680

• 21130087680 backwards is 08678003112
• 21130087680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21130087680's digits is 36
• More coming soon!