21128686259460

Names of 21128686259460

• Cardinal: 21128686259460 can be written as Twenty-one trillion, one hundred twenty-eight billion, six hundred eighty-six million, two hundred fifty-nine thousand, four hundred sixty.

Scientific notation

• Scientific notation: 2.112868625946 × 10¹³

Factors of 21128686259460

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3086

Divisors of 21128686259460

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 23 26 30 37 39 46 52 60 65 69 74 78 92 101 111 113 115 130 138 148 156 185 195 202 222 226 230 260 276 299 303 339 345 370 390 404 444 452 460 481 505 555 565 598 606 678 690 740 780 851 897 962 1010 1110 1130 1196 1212 1313 1356 1380 1443 1469 1495 1515 1695 1702 1794 1924 2020 2220 2260 2323 2405 2553 2599 2626 2789 2886 2938 2990 3030 3390 3404 3588 3737 3939 4181 4255 4407 4485 4646 4810 5106 5198 5252 5578 5772 5876 5980 6060 6565 6780 6969 7215 7345 7474 7797 7878 8362 8367 8510 8814 8970 9292 9620 10212 10396 11063 11156 11211 11413 11615 12543 12765 12995 13130 13938 13945 14430 14690 14948 15594 15756 16724 16734 17020 17628 17940 18685 19695 20905 22035 22126 22422 22826 23230 25086 25530 25990 26260 27876 27890 28860 29380 30199 31188 33189 33468 33787 34239 34845 36257 37370 38985 39390 41810 41835 44070 44252 44844 45652 46460 48581 50172 51060 51980 54353 55315 55780 56055 57065 60398 62715 64147 66378 67574 68478 69690 72514 74740 77970 78780 83620 83670 85951 88140 90597 96163 97162 101361 103193 108706 108771 110630 112110 114130 120796 125430 128294 132756 135148 136956 139380 145028 145743 148369 150995 155940 163059 165945 167340 168935 171195 171902 181194 181285 192326 192441 194324 202722 206386 217412 217542 221260 224220 228260 242905 250860 256588 257853 262499 271765 281689 288489 291486 296738 301990 309579 315157 320735 326118 331890 337870 342390 343804 362388 362570 384652 384882 405444 412772 422281 429755 435084 445107 452985 480815 485810 506805 515706 515965 524998 543530 543855 563378 576978 582972 593476 603980 619158 630314 641470 652236 663780 675740 684780 725140 728715 741845 769764 787497 815295 833911 844562 845067 859510 890214 905970 945471 961630 962205 971620 1013610 1031412 1031930 1049996 1087060 1087710 1117363 1126756 1153956 1238316 1250119 1260628 1266843 1282940 1289265 1312495 1341509 1408445 1442445 1457430 1483690 1547895 1574994 1575785 1630590 1667822 1689124 1690134 1719020 1780428 1811940 1890942 1923260 1924410 2027220 2063860 2111405 2175420 2225535 2234726 2373439 2500238 2501733 2533686 2578530 2624990 2683018 2816890 2884890 2914860 2967380 3095790 3149988 3151570 3261180 3335644 3352089 3380268 3412487 3661957 3750357 3781884 3848820 3937485 4024527 4097041 4169555 4222810 4225335 4451070 4469452 4727355 4746878 5000476 5003466 5067372 5157060 5249980 5366036 5489653 5586815 5633780 5769780 6191580 6250595 6303140 6334215 6478847 6704178 6707545 6824974 7120317 7248611 7323914 7500714 7874970 8049054 8194082 8339110 8445620 8450670 8902140 9454710 9493756 9712463 10006932 10237461 10422493 10979306 10985871 11173630 11660809 11867195 12291123 12501190 12508665 12668430 12957694 13408356 13415090 13649948 14240634 14497222 14647828 15001428 15749940 16098108 16388164 16468959 16678220 16760445 16901340 17062435 18309785 18751785 18909420 19424926 19436541 20122635 20474922 20485205 20844986 21745833 21958612 21971742 22347260 23321618 23734390 24582246 25002380 25017330 25336860 25915388 26830180 27448265 28481268 28994444 29137389 30854707 31267479 31830857 32394235 32937918 33520890 34124870 34982427 35601585 36243055 36619570 37503570 38849852 38873082 40245270 40949844 40970410 41689972 43491666 43943484 46643236 47468780 48562315 49164492 50034660 51187305 52112465 54896530 54929355 58274778 58304045 61455615 61709414 62534958 63661714 64788470 65875836 67041780 68249740 69964854 71203170 72486110 73239140 75007140 77746164 80490540 81940820 82344795 84225011 86983332 92564121 94231943 95492571 97124630 97182705 102374610 104224930 108729165 109793060 109858710 116549556 116608090 122911230 123418828 125069916 126262019 127323428 129576940 135492409 139929708 142406340 144972220 145686945 151590517 154273535 156337395 159154285 164689590 168450022 174912135 185128242 188463886 190985142 194249260 194365410 204749220 208449860 217458330 219717420 233216180 239717339 245822460 252524038 252675033 268198607 270984818 282695829 291373890 303181034 308547070 312674790 318308570 329379180 336900044 349824270 370256484 376927772 378786057 381970284 388730820 406477227 413801141 421125055 434916660 454771551 462820605 471159715 477462855 479434678 505048076 505350066 536397214 541969636 565391658 582747780 606362068 617094140 625349580 631310095 636617140 677462045 699648540 719152017 732109711 757572114 757952585 804595821 812954454 827602282 842250110 909543102 925641210 942319430 954925710 958869356 1010700132 1072794428 1130783316 1177741709 1198586695 1241403423 1262620190 1263375165 1340993035 1354924090 1413479145 1438304034 1464219422 1515144228 1515905170 1609191642 1625908908 1655204564 1684500220 1819086204 1851282420 1884638860 1893930285 1909851420 2032386135 2069005705 2196329133 2273857755 2355483418 2397173390 2482806846 2525240380 2526750330 2681986070 2709848180 2826958290 2876608068 2928438844 3031810340 3116325407 3218383284 3486581891 3533225127 3595760085 3660548555 3787860570 4022979105 4064772270 4138011410 4392658266 4547715510 4710966836 4794346780 4965613692 5053500660 5363972140 5653916580 5888708545 6207017115 6232650814 6973163782 7066450254 7191520170 7321097110 7575721140 8045958210 8129544540 8276022820 8785316532 9095431020 9348976221 9517426243 10459745673 10981645665 11777417090 12414034230 12465301628 13946327564 14132900508 14383040340 14642194220 15310642217 15581627035 16091916420 17432909455 17666125635 18697952442 19034852486 20919491346 21963291330 23554834180 24828068460 27088059307 28552278729 30621284434 31163254070 34865818910 35332251270 37395904884 38069704972 41838982692 43926582660 45931926651 46744881105 47587131215 52298728365 54176118614 57104557458 61242568868 62326508140 69731637820 70664502540 76553211085 81264177921 91863853302 93489762210 95174262430 104597456730 108352237228 114209114916 135440296535 142761393645 153106422170 162528355842 183727706604 186979524420 190348524860 209194913460 229659633255 270880593070 285522787290 306212844340 325056711684 352144770991 406320889605 459319266510 541761186140 571045574580 704289541982 812641779210 918638533020 1056434312973 1408579083964 1625283558420 1760723854955 2112868625946 3521447709910 4225737251892 5282171564865 7042895419820 10564343129730 21128686259460
• Sum of all divisors σ(n): 69589126010880
• Sum of proper divisors (its aliquot sum) s(n): 48460439751420
• 21128686259460 is an abundant number, because the sum of its proper divisors (48460439751420) is greater than itself. Its abundance is 27331753491960

Bases of 21128686259460

• Binary: 100110011011101100111110101101100110100000100₂
• Hexadecimal: 0x133767D6CD04
• Base-36: 7HMDU9SZO

Squares and roots of 21128686259460

• 21128686259460 squared (21128686259460²) is 446421383050693806439491600
• 21128686259460 cubed (21128686259460³) is 9432297341992323564737811034828090536000
• The square root of 21128686259460 is 4596595.0723834703
• The cube root of 21128686259460 is 27645.4819037495

Scales and comparisons

• 21,128,686,259,460 seconds is equal to 671,826 years, 45 weeks, 20 hours, 31 minutes.
• To count from 1 to 21,128,686,259,460 would take you about one million, six hundred seventy-nine thousand, five hundred sixty-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 21128686259460 cubic inches would be around 2303.8 feet tall.

Recreational maths with 21128686259460

• 21128686259460 backwards is 06495268682112
• 21128686259460 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21128686259460's digits is 60
• More coming soon!