21403700640

Names of 21403700640

• Cardinal: 21403700640 can be written as Twenty-one billion, four hundred three million, seven hundred thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.140370064 × 10¹⁰

Factors of 21403700640

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 215

Divisors of 21403700640

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 19 20 21 23 24 28 30 32 35 36 38 40 42 43 45 46 48 56 57 60 63 69 70 72 76 80 84 86 90 92 95 96 105 112 113 114 115 120 126 129 133 138 140 144 152 160 161 168 171 172 180 184 190 207 210 215 224 226 228 230 240 252 258 266 276 280 285 288 301 304 315 322 336 339 342 344 345 360 368 380 387 399 414 420 430 437 452 456 460 480 483 504 516 532 552 560 565 570 602 608 630 644 645 665 672 678 684 688 690 720 736 760 774 791 798 805 817 828 840 855 860 874 903 904 912 920 966 989 1008 1017 1032 1035 1064 1104 1120 1130 1140 1197 1204 1260 1288 1290 1311 1330 1356 1368 1376 1380 1440 1449 1505 1520 1548 1582 1596 1610 1634 1656 1680 1695 1710 1720 1748 1806 1808 1824 1840 1932 1935 1978 1995 2016 2034 2064 2070 2128 2147 2185 2208 2260 2280 2373 2394 2408 2415 2451 2520 2576 2580 2599 2622 2660 2709 2712 2736 2760 2898 2967 3010 3040 3059 3096 3164 3192 3220 3268 3312 3360 3390 3420 3440 3496 3612 3616 3680 3864 3870 3933 3955 3956 3990 4068 4085 4128 4140 4256 4294 4370 4515 4520 4560 4746 4788 4816 4830 4859 4902 4945 5040 5085 5152 5160 5198 5244 5320 5418 5424 5472 5520 5719 5796 5934 5985 6020 6118 6192 6328 6384 6440 6441 6536 6555 6624 6780 6840 6880 6923 6992 7119 7224 7245 7353 7728 7740 7797 7866 7910 7912 7980 8136 8170 8280 8588 8740 8901 9030 9040 9120 9177 9492 9576 9632 9660 9718 9804 9890 10080 10170 10320 10396 10488 10640 10735 10836 10848 11040 11438 11592 11865 11868 11970 12040 12236 12255 12384 12656 12768 12880 12882 12995 13072 13110 13545 13560 13680 13846 13984 14238 14448 14490 14577 14706 14835 15029 15295 15456 15480 15594 15732 15820 15824 15960 16272 16340 16560 17157 17176 17480 17802 18060 18080 18193 18354 18791 18984 19152 19320 19323 19436 19608 19665 19780 20340 20640 20769 20792 20976 21280 21470 21672 22876 23184 23391 23730 23736 23940 24080 24295 24472 24510 25312 25760 25764 25990 26144 26220 27090 27120 27360 27531 27692 28476 28595 28896 28980 29154 29412 29670 30058 30590 30960 31188 31464 31640 31648 31920 32205 32544 32680 33120 34013 34314 34352 34615 34960 35595 35604 36120 36386 36708 36765 37582 37968 38304 38640 38646 38872 38985 39216 39330 39560 40680 41538 41584 41952 42940 43344 43731 44505 45087 45752 45885 46368 46782 47460 47472 47880 48160 48590 48944 49020 49381 51471 51528 51980 52440 54180 54240 54579 55062 55384 56373 56952 57190 57960 58308 58824 59340 60116 61180 61920 62307 62376 62928 63280 63840 64410 65360 68026 68628 68704 69230 69920 71190 71208 72240 72772 72885 73416 73530 75145 75164 75936 77280 77292 77744 77970 78432 78660 79120 81360 83076 83168 85785 85880 86688 87462 89010 90174 90965 91504 91770 92321 93564 93955 94920 94944 95760 96615 97180 97888 98040 98762 102039 102942 103056 103845 103960 104880 108360 109158 110124 110768 111757 112746 113904 114380 115920 116616 116955 117648 118680 120232 122360 124614 124752 125856 126560 128820 130720 131537 135261 136052 137256 137655 138460 142380 142416 144480 145544 145770 146832 147060 148143 150290 150328 154584 155488 155940 157320 158240 162720 163737 166152 169119 170065 171570 171760 174924 178020 180348 181930 183008 183540 184642 187128 187910 189840 191520 193230 194360 196080 197524 204078 205884 206112 207690 207920 209760 216720 218316 218655 220248 221536 223514 225435 225492 227808 228760 231840 233232 233910 235296 237360 240464 244720 246905 249228 249504 257355 257640 263074 270522 272104 272895 274512 275310 276920 276963 281865 284760 284832 291088 291540 293664 294120 296286 300580 300656 306117 309168 311535 311880 314640 327474 332304 335271 338238 340130 343140 343520 345667 349848 356040 360696 363860 367080 369284 374256 375820 379680 386460 388720 392160 394611 395048 408156 411768 415380 415840 433440 436632 437310 440496 444429 447028 450870 450984 457520 461605 466464 467820 474720 480928 489440 493810 498456 510195 514710 515280 526148 541044 544208 545790 549024 550620 553840 553926 558785 563730 569520 582176 583080 588240 592572 601160 601312 612234 618336 623070 623760 629280 646247 654948 657685 664608 670542 676305 676476 680260 686280 691334 699696 712080 721392 727720 734160 738568 740715 748512 751640 772920 777440 782299 789222 790096 816312 818685 823536 830760 830889 845595 873264 874620 880992 888858 894056 901740 901968 915040 923210 935640 987620 996912 1005813 1020390 1029420 1030560 1037001 1052296 1082088 1088416 1091580 1101240 1107680 1107852 1117570 1127460 1139040 1166160 1176480 1183833 1185144 1202320 1224468 1246140 1247520 1292494 1309896 1315370 1341084 1352610 1352952 1360520 1372560 1382668 1384815 1399392 1424160 1442784 1455440 1468320 1477136 1481430 1503280 1530585 1545840 1564598 1578444 1580192 1632624 1637370 1647072 1661520 1661778 1676355 1691190 1728335 1746528 1749240 1777716 1788112 1803480 1803936 1846420 1871280 1938741 1973055 1975240 1993824 2011626 2040780 2058840 2074002 2104592 2123383 2164176 2183160 2202480 2215704 2222145 2235140 2254920 2332320 2346897 2367666 2370288 2404640 2448936 2492280 2584988 2619792 2630740 2682168 2705220 2705904 2721040 2745120 2765336 2769630 2910880 2954272 2962860 3006560 3061170 3091680 3111003 3129196 3156888 3231235 3265248 3274740 3323040 3323556 3352710 3382380 3456670 3498480 3555432 3576224 3606960 3692840 3742560 3877482 3911495 3946110 3950480 4023252 4081560 4117680 4148004 4154445 4209184 4246766 4328352 4366320 4404960 4431408 4444290 4470280 4509840 4693794 4735332 4740576 4897872 4984560 5029065 5169976 5185005 5239584 5261480 5364336 5410440 5411808 5442080 5530672 5539260 5816223 5919165 5925720 6122340 6222006 6258392 6313776 6370149 6462470 6549480 6647112 6705420 6764760 6913340 6996960 7040691 7110864 7213920 7385680 7754964 7822990 7892220 7900960 8046504 8163120 8235360 8296008 8308890 8493532 8732640 8862816 8888580 8940560 9019680 9387588 9470664 9693705 9795744 9969120 10058130 10339952 10370010 10522960 10616915 10728672 10820880 11061344 11078520 11632446 11734485 11838330 11851440 12244680 12444012 12516784 12627552 12740298 12924940 13098960 13294224 13410840 13529520 13826680 14081382 14221728 14771360 14863681 15509928 15555015 15645980 15784440 16093008 16326240 16592016 16617780 16987064 17777160 17881120 18775176 18941328 19110447 19387410 20116260 20679904 20740020 21045920 21233830 21641760 22157040 23264892 23468970 23676660 23702880 24489360 24888024 25033568 25480596 25849880 26197920 26588448 26821680 27059040 27653360 28162764 29081115 29727362 31019856 31110030 31291960 31568880 31850745 32186016 33184032 33235560 33974128 35203455 35554320 37550352 37882656 38220894 38774820 40232520 41480040 42467660 44314080 44591043 46529784 46937940 47353320 48978720 49776048 50961192 51699760 53643360 55306720 56325528 58162230 59454724 62039712 62220060 62583920 63137760 63701490 66471120 67948256 70406910 71108640 74318405 75100704 76441788 77549640 80465040 82960080 84935320 89182086 93059568 93875880 94706640 95552235 99552096 101922384 103399520 112651056 116324460 118909448 124440120 125167840 127402980 132942240 133773129 140813820 148636810 152883576 155099280 160930080 165920160 169870640 178364172 186119136 187751760 189413280 191104470 203844768 222955215 225302112 232648920 237818896 248880240 254805960 267546258 281627640 297273620 305767152 310198560 339741280 356728344 375503520 382208940 445910430 465297840 475637792 497760480 509611920 535092516 563255280 594547240 611534304 668865645 713456688 764417880 891820860 930595680 1019223840 1070185032 1126510560 1189094480 1337731290 1426913376 1528835760 1783641720 2140370064 2378188960 2675462580 3057671520 3567283440 4280740128 5350925160 7134566880 10701850320 21403700640
• Sum of all divisors σ(n): 94650716160
• Sum of proper divisors (its aliquot sum) s(n): 73247015520
• 21403700640 is an abundant number, because the sum of its proper divisors (73247015520) is greater than itself. Its abundance is 51843314880

Bases of 21403700640

• Binary: 10011111011110000101000110110100000₂
• Hexadecimal: 0x4FBC28DA0
• Base-36: 9TZ7L40

Squares and roots of 21403700640

• 21403700640 squared (21403700640²) is 458118401086736409600
• 21403700640 cubed (21403700640³) is 9805429114535956785666822144000
• The square root of 21403700640 is 146300.0363636319
• The cube root of 21403700640 is 2776.4911236195

Scales and comparisons

• 21,403,700,640 seconds is equal to 680 years, 29 weeks, 5 days, 24 minutes.
• To count from 1 to 21,403,700,640 would take you about one thousand, three hundred sixty-one 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 21403700640 cubic inches would be around 231.4 feet tall.

Recreational maths with 21403700640

• 21403700640 backwards is 04600730412
• The number of decimal digits it has is: 11
• The sum of 21403700640's digits is 27
• More coming soon!