21319978680

Names of 21319978680

• Cardinal: 21319978680 can be written as Twenty-one billion, three hundred nineteen million, nine hundred seventy-eight thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.131997868 × 10¹⁰

Factors of 21319978680

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 119

Divisors of 21319978680

• Number of divisors d(n): 1536
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 20 21 22 24 26 27 28 30 33 35 36 37 39 40 41 42 44 45 52 54 55 56 60 63 65 66 70 72 74 77 78 82 84 88 90 91 99 104 105 108 110 111 117 120 123 126 130 132 135 140 143 148 154 156 164 165 168 169 180 182 185 189 195 198 205 210 216 220 222 231 234 246 252 259 260 264 270 273 280 286 287 296 297 308 312 315 328 330 333 338 351 360 364 369 370 378 385 390 396 407 410 420 429 440 444 451 455 462 468 481 492 495 504 507 518 520 533 540 546 555 572 574 585 594 615 616 630 660 666 676 693 702 715 728 738 740 756 770 777 780 792 814 819 820 840 845 858 861 888 902 910 924 936 945 962 984 990 999 1001 1014 1036 1066 1080 1092 1107 1110 1144 1148 1155 1170 1183 1188 1221 1230 1260 1287 1295 1320 1332 1352 1353 1365 1386 1404 1430 1435 1443 1476 1480 1485 1512 1517 1521 1540 1554 1560 1599 1628 1638 1640 1665 1690 1716 1722 1755 1804 1820 1845 1848 1859 1890 1924 1980 1998 2002 2028 2035 2072 2079 2132 2145 2184 2214 2220 2255 2296 2310 2331 2340 2366 2376 2405 2442 2457 2460 2520 2535 2574 2583 2590 2664 2665 2706 2730 2772 2808 2849 2860 2870 2886 2952 2970 3003 3034 3042 3080 3108 3157 3198 3256 3276 3330 3367 3380 3432 3444 3465 3510 3549 3608 3640 3663 3690 3718 3731 3780 3848 3861 3885 3960 3996 4004 4056 4059 4070 4095 4158 4264 4290 4305 4329 4428 4440 4510 4551 4563 4620 4662 4680 4732 4797 4810 4884 4914 4920 4995 5005 5070 5148 5166 5180 5291 5330 5412 5460 5535 5544 5577 5698 5720 5740 5772 5863 5915 5940 6006 6068 6084 6105 6216 6253 6314 6396 6435 6552 6660 6734 6760 6765 6888 6929 6930 6993 7020 7098 7215 7326 7380 7436 7462 7560 7585 7605 7722 7749 7770 7992 7995 8008 8118 8140 8190 8316 8547 8580 8610 8658 8856 9009 9020 9102 9126 9240 9295 9324 9464 9471 9594 9620 9768 9828 9990 10010 10101 10140 10296 10332 10360 10395 10582 10619 10647 10660 10824 10920 10989 11070 11154 11193 11396 11480 11544 11655 11726 11830 11880 12012 12136 12168 12177 12210 12285 12506 12628 12792 12870 12915 12987 13013 13320 13468 13530 13653 13858 13860 13986 14040 14196 14245 14391 14430 14652 14760 14872 14924 15015 15170 15210 15444 15498 15540 15785 15873 15990 16236 16280 16380 16632 16687 16731 16835 17094 17160 17220 17316 17589 17745 18018 18040 18204 18252 18315 18590 18648 18655 18759 18942 19188 19240 19305 19656 19721 19980 20020 20202 20280 20295 20664 20787 20790 21164 21238 21294 21320 21645 21978 22140 22308 22386 22755 22792 22815 23310 23452 23660 23985 24024 24354 24420 24570 25012 25256 25641 25740 25830 25974 26026 26455 26936 27027 27060 27306 27716 27720 27885 27972 28392 28413 28490 28782 28860 29304 29315 29848 30030 30303 30340 30420 30888 30996 31080 31265 31570 31746 31857 31941 31980 32472 32760 33374 33462 33579 33670 34188 34440 34632 34645 34965 35178 35490 36036 36408 36504 36630 37037 37180 37310 37518 37884 38376 38610 38745 39039 39442 39960 40040 40404 40590 40959 41041 41574 41580 42328 42476 42588 42735 43290 43771 43956 44280 44616 44772 45045 45510 45630 46620 46904 47320 47355 47619 47970 48503 48708 48840 49140 50024 50061 50193 50505 51282 51480 51660 51948 52052 52767 52910 53095 53235 54054 54120 54612 54945 55432 55770 55944 55965 56277 56826 56980 57564 57720 58630 59163 60060 60606 60680 60840 60885 61992 62361 62530 63140 63492 63714 63882 63960 64935 65065 66748 66924 67158 67340 68265 68376 68783 69290 69930 70356 70980 71955 72072 73260 74074 74360 74620 75036 75768 76219 76923 77220 77490 78078 78884 79365 80808 81180 81918 82082 83148 83160 83435 83655 84952 85176 85239 85470 86580 87542 87912 87945 89544 90090 90909 91020 91260 93240 93795 94710 95238 95571 95940 97006 97416 98280 98605 100122 100386 100737 101010 102564 103320 103896 103935 104104 105534 105820 106190 106470 108108 109224 109890 111111 111540 111930 112554 113652 113960 115128 116809 117117 117260 118326 120120 121212 121770 123123 124722 125060 126280 126984 127428 127764 128205 129870 130130 131313 133496 133848 134316 134680 135135 136530 137566 138047 138580 139860 140712 141960 142065 142857 143910 145509 146520 148148 149240 150072 150183 151515 152438 153846 154440 154980 156156 157768 158301 158730 159285 159705 162360 163836 164164 166296 166870 167310 167895 168831 170478 170940 173160 175084 175890 177489 180180 181818 182040 182520 185185 187083 187590 189420 190476 191142 191880 194012 195195 197210 200244 200772 201474 202020 204795 205128 205205 206349 207870 211068 211640 212380 212940 216216 216931 218855 219780 222222 223080 223860 225108 227304 228657 233618 234234 234520 236652 238095 242424 242515 243540 246246 249444 250120 250305 250965 254856 255528 256373 256410 259740 260260 262626 263835 268632 270270 273060 275132 276094 277160 279720 281385 284130 285714 286713 287820 291018 295815 296296 300366 303030 304876 307692 309960 311805 312312 316602 317460 318570 319410 327672 328328 333333 333740 334620 335790 337662 340956 341880 343915 350168 350427 351351 351780 354978 360360 363636 369369 370370 374166 375180 378840 380952 381095 382284 384615 388024 390390 393939 394420 400488 401544 402948 404040 409590 410410 412698 414141 415740 422136 424760 425880 426195 433862 436527 437710 439560 444444 447720 450216 450549 454545 457314 467236 468468 473304 476190 477855 481481 485030 487080 492492 498888 500610 501930 503685 512746 512820 519480 520520 525252 527670 532467 533533 540540 546120 550264 552188 555555 562770 568260 571428 573426 575640 582036 584045 585585 591630 600732 606060 609752 615384 615615 619047 623610 633204 634920 637140 638820 650793 656565 666666 667480 669240 671580 675324 681912 685971 687830 690235 700854 702702 703560 709956 714285 727272 727545 738738 740740 748332 750360 750915 762190 764568 769119 769230 780780 787878 788840 791505 805896 819180 820820 825396 828282 831480 844155 852390 867724 873054 875420 887445 888888 901098 909090 914628 934472 935415 936936 952380 955710 962962 970060 984984 999999 1001220 1003860 1007370 1025492 1025640 1031745 1050504 1051281 1055340 1064934 1067066 1081080 1084655 1104376 1108107 1111110 1125540 1136520 1142856 1143285 1146852 1164072 1168090 1171170 1181817 1183260 1201464 1212120 1231230 1238094 1242423 1247220 1266408 1274280 1277640 1281865 1301586 1309581 1313130 1333332 1343160 1350648 1371942 1375660 1380470 1401708 1405404 1419912 1428570 1433565 1444443 1455090 1477476 1481480 1496664 1501830 1518517 1524380 1538238 1538460 1561560 1575756 1583010 1600599 1638360 1641640 1650792 1656564 1666665 1688310 1704780 1735448 1746108 1750840 1752135 1756755 1774890 1794611 1802196 1818180 1829256 1846845 1857141 1870830 1904760 1911420 1925924 1940120 1952379 1969695 1999998 2002440 2007720 2014740 2050984 2057913 2063490 2070705 2102562 2110680 2129868 2134132 2169310 2182635 2216214 2222220 2251080 2252745 2286570 2293704 2307357 2336180 2342340 2363634 2366520 2407405 2462460 2476188 2484846 2494440 2563730 2603172 2619162 2626260 2662335 2666664 2667665 2743884 2751320 2760940 2803416 2810808 2820103 2857140 2867130 2888886 2910180 2954952 3003660 3037034 3048760 3076476 3076920 3095235 3151512 3153843 3166020 3201198 3253965 3313128 3333330 3376620 3409560 3429855 3492216 3504270 3513510 3549780 3589222 3604392 3636360 3693690 3714282 3727269 3741660 3822840 3845595 3851848 3904758 3939390 3999996 4029480 4115826 4126980 4141410 4205124 4259736 4268264 4333329 4338620 4365270 4432428 4444440 4505490 4555551 4573140 4614714 4672360 4684680 4727268 4801797 4814810 4924920 4952376 4969692 4999995 5127460 5206344 5238324 5252520 5256405 5324670 5335330 5383833 5487768 5521880 5540535 5640206 5714280 5734260 5777772 5820360 5857137 5909085 6007320 6074068 6152952 6190470 6212115 6307686 6332040 6402396 6507930 6547905 6666660 6753240 6859710 6922071 7008540 7027020 7099560 7178444 7222215 7387380 7428564 7454538 7483320 7592585 7691190 7809516 7878780 7999992 8002995 8231652 8253960 8282820 8410248 8460309 8666658 8677240 8730540 8864856 8973055 9010980 9111102 9146280 9229428 9285705 9454536 9603594 9629620 9761895 9939384 9999990 10254920 10289565 10476648 10512810 10649340 10670660 10767666 11081070 11280412 11468520 11536785 11555544 11714274 11818170 12148136 12380940 12424230 12615372 12804792 12999987 13015860 13095810 13333320 13666653 13719420 13844142 14017080 14054040 14100515 14356888 14405391 14444430 14774760 14857128 14909076 15185170 15382380 15619032 15757560 15769215 16005990 16151499 16463304 16565640 16920618 17333316 17461080 17946110 18021960 18222204 18458856 18571410 18636345 19207188 19259240 19523790 19740721 19999980 20579130 21025620 21298680 21341320 21535332 21666645 22162140 22560824 22777755 23073570 23428548 23636340 24008985 24761880 24848460 25230744 25380927 25999974 26031720 26191620 26919165 27333306 27438840 27688284 28201030 28810782 28888860 29285685 29818152 30370340 30764760 31538430 32011980 32302998 33841236 34610355 34666632 35892220 36444408 37142820 37272690 38414376 39047580 39481442 39999960 40999959 41158260 42051240 42301545 43070664 43333290 44324280 45555510 46147140 46857096 47272680 48017970 48454497 49696920 50761854 51999948 52383240 53838330 54666612 55376568 56402060 57621564 57777720 58571370 59222163 60740680 63076860 64023960 64605996 64999935 67682472 68333265 69220710 71784440 72026955 74285640 74545380 76142781 78095160 78962884 80757495 81999918 82316520 84603090 86666580 91111020 92294280 96035940 96908994 98703605 101523708 103999896 107676660 109333224 112804120 115243128 117142740 118444326 126153720 126904635 129211992 129999870 136666530 138441420 144053910 149090760 152285562 157925768 161514990 163999836 169206180 173333160 177666489 182222040 192071880 193817988 197407210 203047416 204999795 215353320 234285480 236888652 242272485 253809270 259999740 273333060 276882840 288107820 296110815 304571124 323029980 327999672 338412360 355332978 380713905 387635976 394814420 409999590 473777304 484544970 507618540 519999480 532999467 546666120 576215640 592221630 609142248 646059960 710665956 761427810 789628840 819999180 888332445 969089940 1015237080 1065998934 1184443260 1421331912 1522855620 1639998360 1776664890 1938179880 2131997868 2368886520 2664997335 3045711240 3553329780 4263995736 5329994670 7106659560 10659989340 21319978680
• Sum of all divisors σ(n): 100938700800
• Sum of proper divisors (its aliquot sum) s(n): 79618722120
• 21319978680 is an abundant number, because the sum of its proper divisors (79618722120) is greater than itself. Its abundance is 58298743440

Bases of 21319978680

• Binary: 10011110110110001010000111010111000₂
• Hexadecimal: 0x4F6C50EB8
• Base-36: 9SLD4U0

Squares and roots of 21319978680

• 21319978680 squared (21319978680²) is 454541490915654542400
• 21319978680 cubed (21319978680³) is 9690814895497168522213156032000
• The square root of 21319978680 is 146013.6249806845
• The cube root of 21319978680 is 2772.8662516341

Scales and comparisons

• 21,319,978,680 seconds is equal to 677 years, 47 weeks, 2 days, 18 minutes.
• To count from 1 to 21,319,978,680 would take you about one thousand, three hundred fifty-five 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 21319978680 cubic inches would be around 231.1 feet tall.

Recreational maths with 21319978680

• 21319978680 backwards is 08687991312
• 21319978680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21319978680's digits is 54
• More coming soon!