21408410031820

Names of 21408410031820

• Cardinal: 21408410031820 can be written as Twenty-one trillion, four hundred eight billion, four hundred ten million, thirty-one thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 2.140841003182 × 10¹³

Factors of 21408410031820

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1073

Divisors of 21408410031820

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 29 35 43 49 58 70 86 97 98 116 140 145 172 194 196 203 215 245 290 301 313 388 406 430 485 490 577 580 602 626 679 812 860 970 980 1015 1154 1204 1247 1252 1358 1421 1505 1565 1940 2030 2107 2191 2308 2494 2716 2813 2842 2885 3010 3130 3395 4039 4060 4171 4214 4382 4753 4988 5626 5684 5770 6020 6235 6260 6790 7105 8078 8342 8428 8729 8764 9077 9506 10535 10955 11252 11540 12470 13459 13580 14065 14210 15337 16156 16684 16733 17458 18154 19012 19691 20195 20855 21070 21910 23765 24811 24940 26918 28130 28273 28420 29197 30361 30674 33466 34916 36308 39382 40390 41710 42140 43645 43820 45385 47530 49622 53836 55969 56260 56546 58394 60722 61103 61348 63539 66932 67295 76685 78764 80780 83420 83665 87290 90770 94213 95060 98455 99244 111938 113092 116788 117131 120959 121444 122206 124055 127078 134590 137837 141365 145985 151805 153370 167330 173677 174580 180601 181540 188426 196910 204379 212527 223876 234262 241918 244412 248110 254156 269180 275674 279845 282730 291970 303610 305515 306740 317695 334660 347354 361202 376852 390311 391783 393820 408758 425054 444773 468524 471065 483836 496220 551348 559690 565460 583940 585655 604795 607220 611030 635390 659491 689185 694708 719519 722404 780622 783566 817516 819917 846713 850108 868385 880469 889546 903005 942130 1021895 1062635 1119380 1171310 1209590 1215739 1222060 1264207 1270780 1305523 1318982 1378370 1439038 1487689 1561244 1567132 1623101 1639834 1693426 1736770 1760938 1779092 1806010 1884260 1951555 1958915 2043790 2125270 2223865 2342620 2406667 2419180 2431478 2528414 2611046 2637964 2732177 2742481 2756740 2878076 2975378 3246202 3279668 3297455 3386852 3473540 3521876 3597595 3612020 3903110 3917830 4087580 4099585 4233565 4250540 4402345 4447730 4813334 4862956 5036633 5056828 5222092 5237429 5464354 5484962 5926991 5950756 6078695 6163283 6321035 6492404 6527615 6594910 7195190 7438445 7765843 7806220 7835660 8115505 8199170 8467130 8804690 8849449 8895460 9138661 9626668 10073266 10474858 10928708 10969924 11361707 11853982 12033335 12157390 12326566 12642070 13055230 13189820 13660885 13712405 14390380 14876890 15531686 16231010 16398340 16846669 16934260 17518297 17609380 17698898 18277322 19125239 20146532 20949716 22723414 23707964 24066670 24314780 24653132 25183165 25284140 26110460 26187145 27321770 27424810 29634955 29753780 30816415 31063372 32462020 33693338 35036594 35256431 35397796 36554644 36662003 37860167 38250478 38829215 43142981 44247245 45446828 45693305 48133340 50366330 52374290 54360901 54643540 54849620 56808535 59269910 61632830 63970627 67386676 69793343 70073188 70512862 73324006 75720334 76500956 77658430 79531949 84233345 86285962 87591485 88494490 91386610 95626195 100732660 104748580 108721802 113617070 117926683 118539820 122628079 123265660 127941254 139586686 141025724 146648012 151440668 155316860 159063898 168466690 172571924 175182970 176282155 176988980 182773220 183310015 189300835 191252390 215714905 217443604 225209447 227234140 235853366 245256158 255882508 256634021 265021169 271804505 279173372 318127796 319853135 336933380 348966715 350365940 352564310 366620030 378601670 380526307 382504780 397659745 431429810 450418894 471706732 488553401 490512316 508030613 513268042 530042338 543609010 589633415 613140395 639706270 697933430 705128620 733240060 753286771 757203340 761052614 795319490 858396553 862859620 900837788 977106802 1016061226 1026536084 1060084676 1087218020 1126047235 1179266830 1226280790 1279412540 1283170105 1325105845 1395866860 1506573542 1522105228 1576466129 1590638980 1716793106 1855148183 1902631535 1954213604 2032122452 2252094470 2358533660 2442767005 2452561580 2540153065 2566340210 2650211690 3013147084 3152932258 3419873807 3433586212 3556214291 3710296366 3766433855 3805263070 4291982765 4504188940 4885534010 5080306130 5132680420 5273007397 5300423380 6305864516 6839747614 7112428582 7420592732 7532867710 7610526140 7882330645 8583965530 9275740915 9771068020 10160612260 10546014794 11035262903 13679495228 14224857164 15065735420 15764661290 17099369035 17167931060 17781071455 18551481830 21092029588 21845316359 22070525806 24893500037 26365036985 31529322580 34198738070 35562142910 36911051779 37102963660 43690632718 44141051612 49787000074 52730073970 55176314515 68397476140 71124285820 73822103558 87381265436 99574000148 105460147940 109226581795 110352629030 124467500185 147644207116 152917214513 184555258895 218453163590 220705258060 248935000370 305834429026 369110517790 436906327180 497870000740 611668858052 738221035580 764586072565 1070420501591 1529172145130 2140841003182 3058344290260 4281682006364 5352102507955 10704205015910 21408410031820
• Sum of all divisors σ(n): 56205865457280
• Sum of proper divisors (its aliquot sum) s(n): 34797455425460
• 21408410031820 is an abundant number, because the sum of its proper divisors (34797455425460) is greater than itself. Its abundance is 13389045393640

Bases of 21408410031820

• Binary: 100110111100010001000101011001101011011001100₂
• Hexadecimal: 0x137888ACD6CC
• Base-36: 7L6VYL13G

Squares and roots of 21408410031820

• 21408410031820 squared (21408410031820²) is 458320020090531213412512400
• 21408410031820 cubed (21408410031820³) is 9811902915890072373813267800070144568000
• The square root of 21408410031820 is 4626922.3066548243
• The cube root of 21408410031820 is 27766.9474301421

Scales and comparisons

• 21,408,410,031,820 seconds is equal to 680,721 years, 11 weeks, 2 days, 12 hours, 23 minutes, 40 seconds.
• To count from 1 to 21,408,410,031,820 would take you about one million, seven hundred one thousand, eight hundred 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 21408410031820 cubic inches would be around 2313.9 feet tall.

Recreational maths with 21408410031820

• 21408410031820 backwards is 02813001480412
• The number of decimal digits it has is: 14
• The sum of 21408410031820's digits is 34
• More coming soon!