21813125040

Names of 21813125040

• Cardinal: 21813125040 can be written as Twenty-one billion, eight hundred thirteen million, one hundred twenty-five thousand and forty.

Scientific notation

• Scientific notation: 2.181312504 × 10¹⁰

Factors of 21813125040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 412

Divisors of 21813125040

• Number of divisors d(n): 800
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 37 40 41 42 45 48 54 56 60 63 70 72 74 80 81 82 84 90 105 108 111 112 120 123 126 135 140 144 148 162 164 168 180 185 189 205 210 216 222 240 246 252 259 270 280 287 296 315 317 324 328 333 336 360 369 370 378 405 410 420 432 444 492 504 518 540 555 560 567 574 592 615 630 634 648 656 666 720 738 740 756 777 810 820 840 861 888 945 951 984 999 1008 1036 1080 1107 1110 1134 1148 1230 1260 1268 1295 1296 1332 1435 1476 1480 1512 1517 1554 1585 1620 1640 1665 1680 1722 1776 1845 1890 1902 1968 1998 2072 2160 2214 2219 2220 2268 2296 2331 2460 2520 2536 2583 2590 2664 2835 2853 2870 2952 2960 2997 3024 3034 3108 3170 3240 3280 3321 3330 3444 3690 3780 3804 3885 3996 4144 4305 4428 4438 4440 4536 4551 4592 4662 4755 4920 4995 5040 5072 5166 5180 5328 5535 5670 5706 5740 5904 5994 6068 6216 6340 6480 6642 6657 6660 6888 6993 7380 7560 7585 7608 7749 7770 7992 8559 8610 8856 8876 8880 9072 9102 9324 9510 9840 9990 10332 10360 10619 11070 11095 11340 11412 11480 11655 11729 11988 12136 12432 12680 12915 12997 13284 13314 13320 13653 13776 13986 14265 14760 14985 15120 15170 15216 15498 15540 15984 16605 17118 17220 17712 17752 18204 18648 19020 19971 19980 20664 20720 20979 21238 22140 22190 22680 22755 22824 22960 23247 23310 23458 23976 24272 25360 25677 25830 25994 26568 26628 26640 27306 27972 28530 29520 29970 30340 30996 31080 31857 33210 33285 34236 34440 34965 35187 35504 36408 37296 38040 38745 38991 39942 39960 40959 41328 41958 42476 42795 44280 44380 45360 45510 45648 46494 46620 46916 47952 51354 51660 51988 53095 53136 53256 54612 55944 57060 58645 59913 59940 60680 61992 62160 63714 64985 66420 66570 68265 68472 68880 69930 70374 72816 76080 77490 77982 79884 79920 81918 82103 83916 84952 85590 88560 88760 90979 91020 92988 93240 93832 95571 99855 102708 103320 103976 104895 105561 106190 106512 109224 111888 114120 116235 116973 117290 119826 119880 121360 122877 123984 127428 128385 129970 132840 133140 136530 136944 139860 140748 154980 155964 159285 159768 163836 164206 167832 169904 171180 175935 177520 179739 181958 182040 185976 186480 187664 191142 194955 199710 204795 205416 206640 207952 209790 211122 212380 218448 228240 232470 233946 234580 239652 239760 245754 246309 254856 256770 259940 265680 266280 272937 273060 279720 281496 286713 299565 309960 311928 316683 318570 319536 327672 328412 335664 342360 350919 351870 359478 363916 364080 371952 382284 389910 399420 409590 410515 410832 419580 422244 424760 454895 464940 467892 469160 477855 479304 480889 491508 492618 509712 513540 519880 527805 532560 545874 546120 559440 562992 573426 584865 599130 614385 619920 623856 633366 637140 655344 656824 684720 701838 703740 718956 727832 738927 764568 779820 798840 818811 819180 821030 839160 844488 849520 860139 898695 909790 929880 935784 938320 950049 955710 958608 961778 983016 985236 1027080 1039760 1052757 1055610 1091748 1092240 1146852 1169730 1198260 1228770 1231545 1266732 1274280 1313648 1364685 1403676 1407480 1433565 1437912 1442667 1455664 1477854 1529136 1559640 1583415 1597680 1637622 1638360 1642060 1678320 1688976 1720278 1754595 1797390 1819580 1859760 1871568 1900098 1911420 1923556 1966032 1970472 2054160 2105514 2111220 2183496 2216781 2293704 2339460 2396520 2404445 2456433 2457540 2463090 2533464 2548560 2729370 2807352 2814960 2867130 2875824 2885334 2955708 3119280 3166830 3275244 3276720 3284120 3366223 3440556 3509190 3594780 3639160 3694635 3800196 3822840 3847112 3940944 4094055 4211028 4222440 4300695 4328001 4366992 4433562 4587408 4678920 4750245 4793040 4808890 4912866 4915080 4926180 5066928 5263785 5458740 5614704 5734260 5770668 5911416 6333660 6550488 6568240 6650343 6732446 6881112 7018380 7189560 7213335 7278320 7369299 7389270 7600392 7645680 7694224 8188110 8422056 8444880 8601390 8656002 8867124 9357840 9500490 9617780 9825732 9830160 9852360 10098669 10527570 10917480 11083905 11468520 11541336 11822832 12282165 12667320 12984003 13100976 13300686 13464892 13762224 14036760 14379120 14426670 14738598 14778540 15200784 16376220 16831115 16844112 17202780 17312004 17734248 19000980 19235560 19651464 19704720 20197338 21055140 21640005 21834960 22167810 22937040 23082672 24564330 25334640 25968006 26601372 26929784 28073520 28853340 29477196 29557080 30296007 32752440 33251715 33662230 34405560 34624008 35468496 36846495 38001960 38471120 38952009 39302928 40394676 42110280 43280010 44335620 49128660 50493345 51936012 53202744 53859568 57706680 58954392 59114160 60592014 64920015 65504880 66503430 67324460 68811120 69248016 73692990 76003920 77904018 80789352 84220560 86560020 88671240 90888021 98257320 100986690 103872024 106405488 115413360 117908784 121184028 129840030 133006860 134648920 147385980 151480035 155808036 161578704 173120040 177342480 181776042 194760045 196514640 201973380 207744048 242368056 259680060 266013720 269297840 272664063 294771960 302960070 311616072 346240080 363552084 389520090 403946760 454440105 484736112 519360120 532027440 545328126 589543920 605920140 623232144 727104168 779040180 807893520 908880210 1038720240 1090656252 1211840280 1363320315 1454208336 1558080360 1817760420 2181312504 2423680560 2726640630 3116160720 3635520840 4362625008 5453281260 7271041680 10906562520 21813125040
• Sum of all divisors σ(n): 91379401344
• Sum of proper divisors (its aliquot sum) s(n): 69566276304
• 21813125040 is an abundant number, because the sum of its proper divisors (69566276304) is greater than itself. Its abundance is 47753151264

Bases of 21813125040

• Binary: 10100010100001010011101111110110000₂
• Hexadecimal: 0x51429DFB0
• Base-36: A0QYZ00

Squares and roots of 21813125040

• 21813125040 squared (21813125040²) is 475812424010675001600
• 21813125040 cubed (21813125040³) is 10378955900530352104703000064000
• The square root of 21813125040 is 147692.6709082071
• The cube root of 21813125040 is 2794.0829571191

Scales and comparisons

• 21,813,125,040 seconds is equal to 693 years, 30 weeks, 4 days, 17 hours, 24 minutes.
• To count from 1 to 21,813,125,040 would take you about one thousand, three hundred eighty-seven 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 21813125040 cubic inches would be around 232.8 feet tall.

Recreational maths with 21813125040

• 21813125040 backwards is 04052131812
• 21813125040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21813125040's digits is 27
• More coming soon!