21374048640

Names of 21374048640

• Cardinal: 21374048640 can be written as Twenty-one billion, three hundred seventy-four million, forty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.137404864 × 10¹⁰

Factors of 21374048640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 138

Divisors of 21374048640

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 29 30 31 32 35 40 42 48 56 58 60 61 62 64 70 80 84 87 93 96 105 112 116 120 122 124 128 140 145 155 160 168 174 183 186 192 203 210 217 224 232 240 244 248 280 290 305 310 320 336 348 366 372 384 406 420 427 434 435 448 464 465 480 488 496 560 580 609 610 620 640 651 672 696 732 744 812 840 841 854 868 870 896 899 915 928 930 960 976 992 1015 1085 1120 1160 1218 1220 1240 1281 1302 1344 1392 1464 1488 1624 1680 1682 1708 1736 1740 1769 1798 1830 1856 1860 1891 1920 1952 1984 2030 2135 2170 2240 2320 2436 2440 2480 2523 2562 2604 2688 2697 2784 2928 2976 3045 3248 3255 3360 3364 3416 3472 3480 3538 3596 3660 3712 3720 3782 3904 3968 4060 4205 4270 4340 4480 4495 4640 4872 4880 4960 5046 5124 5208 5307 5394 5568 5673 5856 5887 5952 6090 6293 6405 6496 6510 6720 6728 6832 6944 6960 7076 7192 7320 7440 7564 7808 8120 8410 8540 8680 8845 8990 9280 9455 9744 9760 9920 10092 10248 10416 10614 10788 11136 11346 11712 11774 11904 12180 12383 12586 12615 12810 12992 13020 13237 13440 13456 13485 13664 13888 13920 14152 14384 14640 14880 15128 16240 16820 17080 17360 17661 17690 17980 18560 18879 18910 19488 19520 19840 20184 20496 20832 21228 21576 22692 23424 23548 24360 24766 25172 25230 25620 25984 26040 26071 26474 26535 26912 26970 27328 27776 27840 28304 28365 28768 29280 29435 29760 30256 31465 32480 33640 34160 34720 35322 35380 35960 37149 37758 37820 38976 39040 39711 40368 40992 41664 42456 43152 45384 47096 48720 49532 50344 50460 51240 51301 52080 52142 52948 53070 53824 53940 54656 54839 55680 56608 56730 57536 58560 58870 59520 60512 61915 62930 64960 66185 67280 68320 69440 70644 70760 71920 74298 75516 75640 77952 78213 79422 80736 81984 83328 84912 86304 88305 90768 94192 94395 97440 99064 100688 100920 102480 102602 104160 104284 105896 106140 107648 107880 109678 113216 113460 115072 117120 117740 121024 123830 125860 129920 130355 132370 134560 136640 138880 141288 141520 143840 148596 151032 151280 153903 156426 158844 161472 163968 164517 169824 172608 176610 181536 182497 185745 188384 188790 194880 198128 198555 201376 201840 204960 205204 208320 208568 211792 212280 215760 219356 226432 226920 235480 242048 247660 251720 256505 260710 264740 269120 273280 274195 282576 283040 287680 297192 302064 302560 307806 312852 317688 322944 329034 339648 345216 353220 359107 363072 364994 371490 376768 377580 383873 389760 391065 396256 397110 402752 403680 409920 410408 416640 417136 423584 424560 431520 438712 453840 470960 495320 503440 513010 521420 529480 538240 547491 548390 565152 566080 575360 594384 604128 605120 615612 625704 635376 658068 679296 706440 718214 726144 729988 742980 753536 755160 767746 769515 782130 792512 794220 805504 807360 819840 820816 822585 834272 847168 849120 863040 877424 907680 912485 941920 990640 1006880 1026020 1042840 1058960 1077321 1094982 1096780 1130304 1132160 1151619 1188768 1208256 1210240 1231224 1251408 1270752 1316136 1412880 1436428 1459976 1485960 1510320 1535492 1539030 1564260 1585024 1588440 1590331 1614720 1641632 1645170 1668544 1694336 1698240 1726080 1754848 1795535 1815360 1824970 1883840 1919365 1981280 2013760 2052040 2085680 2117920 2154642 2189964 2193560 2260608 2303238 2377536 2416512 2462448 2502816 2541504 2632272 2737455 2825760 2872856 2919952 2971920 3020640 3070984 3078060 3128520 3176880 3180662 3283264 3290340 3337088 3396480 3509696 3591070 3630720 3649940 3767680 3838730 3962560 4027520 4104080 4171360 4235840 4309284 4379928 4387120 4606476 4755072 4770993 4924896 5005632 5083008 5264544 5386605 5474910 5651520 5745712 5758095 5839904 5943840 6041280 6141968 6156120 6257040 6353760 6361324 6566528 6580680 7019392 7182140 7299880 7677460 7925120 7951655 8208160 8342720 8471680 8618568 8759856 8774240 9212952 9541986 9849792 10011264 10529088 10773210 10949820 11132317 11303040 11491424 11516190 11679808 11887680 12082560 12283936 12312240 12514080 12707520 12722648 13161360 14364280 14599760 15354920 15903310 16416320 16685440 17237136 17519712 17548480 18425904 19083972 19699584 21058176 21546420 21899640 22264634 22982848 23032380 23359616 23775360 23854965 24567872 24624480 25028160 25415040 25445296 26322720 28728560 29199520 30709840 31806620 32832640 33396951 34474272 35039424 35096960 36851808 38167944 43092840 43799280 44529268 45965696 46064760 47709930 49135744 49248960 50056320 50890592 52645440 55661585 57457120 58399040 61419680 63613240 66793902 68948544 70078848 73703616 76335888 86185680 87598560 89058536 92129520 95419860 98497920 101781184 105290880 111323170 114914240 116798080 122839360 127226480 133587804 137897088 147407232 152671776 166984755 172371360 175197120 178117072 184259040 190839720 203562368 222646340 229828480 245678720 254452960 267175608 305343552 333969510 344742720 350394240 356234144 368518080 381679440 445292680 508905920 534351216 610687104 667939020 689485440 712468288 737036160 763358880 890585360 1017811840 1068702432 1335878040 1424936576 1526717760 1781170720 2137404864 2671756080 3053435520 3562341440 4274809728 5343512160 7124682880 10687024320 21374048640
• Sum of all divisors σ(n): 84606013440
• Sum of proper divisors (its aliquot sum) s(n): 63231964800
• 21374048640 is an abundant number, because the sum of its proper divisors (63231964800) is greater than itself. Its abundance is 41857916160

Bases of 21374048640

• Binary: 10011111001111111100001100110000000₂
• Hexadecimal: 0x4F9FE1980
• Base-36: 9THK1HC

Squares and roots of 21374048640

• 21374048640 squared (21374048640²) is 456849955265085849600
• 21374048640 cubed (21374048640³) is 9764733165017769043126124544000
• The square root of 21374048640 is 146198.6615533809
• The cube root of 21374048640 is 2775.2083771777

Scales and comparisons

• 21,374,048,640 seconds is equal to 679 years, 32 weeks, 4 days, 19 hours, 44 minutes.
• To count from 1 to 21,374,048,640 would take you about one thousand, three hundred fifty-nine 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 21374048640 cubic inches would be around 231.3 feet tall.

Recreational maths with 21374048640

• 21374048640 backwards is 04684047312
• The number of decimal digits it has is: 11
• The sum of 21374048640's digits is 39
• More coming soon!