21139845129984

Names of 21139845129984

• Cardinal: 21139845129984 can be written as Twenty-one trillion, one hundred thirty-nine billion, eight hundred forty-five million, one hundred twenty-nine thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.1139845129984 × 10¹³

Factors of 21139845129984

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 815

Divisors of 21139845129984

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 29 31 32 42 48 49 56 58 62 64 84 87 93 96 98 112 116 124 128 147 168 174 186 192 196 203 217 224 232 248 256 294 336 348 372 384 392 406 434 448 464 496 588 609 651 672 696 743 744 768 784 812 841 868 896 899 928 992 1176 1218 1302 1344 1392 1421 1486 1488 1519 1568 1624 1682 1736 1792 1798 1856 1984 2229 2352 2436 2523 2604 2688 2697 2784 2842 2972 2976 3038 3136 3248 3364 3472 3596 3712 3968 4263 4458 4557 4704 4872 5046 5201 5208 5376 5394 5568 5684 5887 5944 5952 6076 6272 6293 6496 6728 6944 7192 7424 7936 8526 8916 9114 9408 9744 10092 10402 10416 10788 11136 11368 11774 11888 11904 12152 12544 12586 12992 13456 13888 14384 15603 17052 17661 17832 18228 18816 18879 19488 20184 20804 20832 21547 21576 22272 22736 23033 23548 23776 23808 24304 24389 25172 25984 26071 26912 27776 28768 31206 34104 35322 35664 36407 36456 37632 37758 38976 40368 41209 41608 41664 43094 43152 44051 45472 46066 47096 47552 48608 48778 50344 51968 52142 53824 55552 57536 62412 64641 68208 69099 70644 71328 72814 72912 73167 75516 77952 78213 80736 82418 83216 83328 86188 86304 88102 90944 92132 94192 95104 97216 97556 100688 104284 107648 109221 115072 123627 124824 129282 132153 136416 138198 141288 142656 145628 145824 146334 150829 151032 155904 156426 161231 161472 164836 166432 166656 170723 172376 172608 176204 181888 182497 184264 188384 190208 194432 195112 201376 208568 215296 218442 230144 247254 249648 258564 264306 272832 276396 282576 285312 291256 291648 292668 301658 302064 312852 322462 322944 329672 332864 341446 344752 345216 352408 363776 364994 368528 376768 388864 390224 402752 417136 436884 452487 483693 494508 499296 512169 517128 528612 545664 547491 552792 565152 570624 582512 583296 585336 603316 604128 624863 625704 644924 645888 659344 665728 667957 682892 689504 690432 704816 729988 737056 753536 756059 780448 805504 834272 873768 904974 967386 989016 998592 1024338 1034256 1055803 1057224 1091328 1094982 1105584 1128617 1130304 1165024 1166592 1170672 1195061 1206632 1208256 1249726 1251408 1277479 1289848 1318688 1331456 1335914 1365784 1379008 1409632 1459976 1474112 1507072 1512118 1560896 1611008 1668544 1747536 1809948 1874589 1934772 1978032 1997184 2003871 2048676 2068512 2111606 2114448 2189964 2211168 2257234 2260608 2268177 2330048 2341344 2390122 2413264 2416512 2499452 2502816 2554958 2579696 2637376 2671828 2731568 2758016 2819264 2919952 2948224 3024236 3121792 3167409 3337088 3385851 3495072 3585183 3619896 3749178 3832437 3869544 3956064 3994368 4007742 4097352 4137024 4223212 4228896 4374041 4379928 4422336 4514468 4521216 4536354 4660096 4675699 4682688 4780244 4826528 4833024 4998904 5005632 5109916 5159392 5274752 5292413 5343656 5463136 5516032 5638528 5839904 5896448 6048472 6243584 6334818 6674176 6771702 6990144 7170366 7239792 7498356 7664874 7739088 7912128 8015484 8194704 8274048 8446424 8457792 8748082 8759856 8844672 9028936 9072708 9320192 9351398 9365376 9560488 9653056 9997808 10011264 10219832 10318784 10549504 10584826 10687312 10926272 11277056 11679808 12096944 12669636 13122123 13543404 13980288 14027097 14340732 14479584 14996712 15329748 15478176 15824256 15877239 16030968 16389408 16548096 16892848 16915584 17496164 17519712 17689344 18057872 18121027 18145416 18702796 18730752 19120976 19306112 19370753 19995616 20022528 20439664 20637568 21169652 21374624 21852544 23359616 24193888 25339272 26244246 27086808 27960576 28054194 28681464 28959168 29993424 30618287 30659496 30956352 31648512 31754478 32061936 32729893 32778816 33785696 33831168 34992328 35039424 36115744 36242054 36290832 37046891 37405592 38241952 38612224 38741506 39991232 40879328 41275136 42339304 42749248 43705088 46719232 48387776 50678544 52488492 54173616 54363081 56108388 57362928 57918336 58112259 59986848 61236574 61318992 61912704 63508956 64123872 65459786 65557632 67571392 69984656 70078848 72231488 72484108 72581664 74093782 74811184 76483904 77483012 79982464 81758656 84678608 85498496 91854861 96775552 98189679 101357088 104976984 108347232 108726162 111140673 112216776 114725856 115836672 116224518 119973696 122473148 122637984 123825408 126847189 127017912 128247744 130919572 131115264 135142784 135595271 139969312 140157696 144462976 144968216 145163328 148187564 149622368 152967808 154966024 159964928 163517312 169357216 170996992 183709722 193551104 196379358 202714176 209953968 216694464 217452324 222281346 224433552 229451712 232449036 239947392 244946296 245275968 253694378 254035824 256495488 261839144 270285568 271190542 279938624 288925952 289936432 290326656 296375128 299244736 305935616 309932048 327034624 338714432 367419444 380541567 392758716 405428352 406785813 419907936 433388928 434904648 444562692 448867104 458903424 464898072 479894784 489892592 490551936 507388756 508071648 512990976 523678288 542381084 559877248 561751837 579872864 580653312 592750256 598489472 619864096 677428864 734838888 761083134 785517432 810856704 813571626 839815872 866777856 869809296 887930323 889125384 897734208 917806848 929796144 949166897 979785184 981103872 1014777512 1016143296 1047356576 1084762168 1119754496 1123503674 1159745728 1185500512 1196978944 1239728192 1354857728 1469677776 1522166268 1571034864 1627143252 1679631744 1685255511 1739618592 1775860646 1778250768 1795468416 1859592288 1898333794 1959570368 2029555024 2032286592 2094713152 2169524336 2247007348 2319491456 2371001024 2479456384 2663790969 2847500691 2939355552 3044332536 3142069728 3254286504 3359263488 3370511022 3479237184 3551721292 3556501536 3590936832 3719184576 3796667588 3919140736 3932262859 4059110048 4064573184 4189426304 4339048672 4494014696 4638982912 4742002048 4958912768 5327581938 5695001382 5878711104 6088665072 6284139456 6508573008 6741022044 6958474368 7103442584 7113003072 7438369152 7593335176 7838281472 7864525718 8118220096 8378852608 8678097344 8988029392 9484004096 10655163876 11390002764 11757422208 11796788577 12177330144 12568278912 13017146016 13482044088 13916948736 14206885168 14226006144 14876738304 15186670352 15729051436 16236440192 17356194688 17976058784 21310327752 22780005528 23514844416 23593577154 24354660288 25136557824 26034292032 26964088176 27525840013 28413770336 28452012288 30373340704 31458102872 32472880384 34712389376 35952117568 42620655504 45560011056 47187154308 48709320576 52068584064 53928176352 55051680026 56827540672 60746681408 62916205744 71904235136 82577520039 85241311008 91120022112 94374308616 97418641152 104137168128 107856352704 110103360052 113655081344 121493362816 125832411488 143808470272 165155040078 170482622016 182240044224 188748617232 215712705408 220206720104 227310162688 242986725632 251664822976 330310080156 340965244032 364480088448 377497234464 431425410816 440413440208 503329645952 660620160312 681930488064 728960176896 754994468928 880826880416 1006659291904 1321240320624 1509988937856 1761653760832 2642480641248 3019977875712 3523307521664 5284961282496 7046615043328 10569922564992 21139845129984
• Sum of all divisors σ(n): 70066755440640
• Sum of proper divisors (its aliquot sum) s(n): 48926910310656
• 21139845129984 is an abundant number, because the sum of its proper divisors (48926910310656) is greater than itself. Its abundance is 27787065180672

Bases of 21139845129984

• Binary: 100110011101000000000111101011010011100000000₂
• Hexadecimal: 0x133A00F5A700
• Base-36: 7HRIDZ4LC

Squares and roots of 21139845129984

• 21139845129984 squared (21139845129984²) is 446893052119708241855840256
• 21139845129984 cubed (21139845129984³) is 9447249911476500164783131465989859835904
• The square root of 21139845129984 is 4597808.7313397457
• The cube root of 21139845129984 is 27650.3479273849

Scales and comparisons

• 21,139,845,129,984 seconds is equal to 672,181 years, 35 weeks, 4 days, 10 hours, 46 minutes, 24 seconds.
• To count from 1 to 21,139,845,129,984 would take you about one million, six hundred eighty thousand, four hundred fifty-four 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 21139845129984 cubic inches would be around 2304.2 feet tall.

Recreational maths with 21139845129984

• 21139845129984 backwards is 48992154893112
• The number of decimal digits it has is: 14
• The sum of 21139845129984's digits is 66
• More coming soon!