28127121423840

Names of 28127121423840

• Cardinal: 28127121423840 can be written as Twenty-eight trillion, one hundred twenty-seven billion, one hundred twenty-one million, four hundred twenty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.812712142384 × 10¹³

Factors of 28127121423840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 390

Divisors of 28127121423840

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 43 45 48 54 60 72 80 81 86 90 96 108 120 129 135 144 160 162 172 180 215 216 240 243 258 270 288 324 337 344 360 387 405 430 432 480 486 516 540 645 648 674 688 720 729 774 810 860 864 972 1011 1032 1080 1161 1215 1290 1296 1348 1376 1440 1458 1548 1620 1685 1720 1849 1935 1944 2022 2064 2160 2187 2322 2430 2580 2592 2696 2916 3033 3096 3240 3370 3440 3483 3645 3698 3870 3888 4044 4128 4320 4374 4644 4860 5055 5160 5392 5547 5805 5832 6066 6192 6480 6561 6740 6880 6966 7290 7396 7740 7776 8088 8748 9099 9245 9288 9720 10110 10320 10449 10784 10935 11094 11610 11664 12132 12384 12960 13122 13480 13932 14491 14580 14792 15165 15480 16176 16641 17415 17496 18198 18490 18576 19440 20220 20640 20898 21870 22188 23220 23328 24264 26244 26960 27297 27735 27864 28982 29160 29584 30330 30960 31347 32352 32805 33282 34830 34992 36396 36980 37152 38880 40440 41796 43473 43740 44376 45495 46440 48528 49923 52245 52488 53920 54594 55470 55728 57964 58320 59168 60660 61920 62694 65610 66564 69660 69984 72455 72792 73960 79507 80880 81891 83205 83592 86946 87480 88752 90990 92880 94041 97056 99846 104490 104976 109188 110940 111456 115928 116640 121320 125388 130419 131220 133128 136485 139320 144910 145584 147920 149769 156735 159014 161760 163782 166410 167184 173892 174960 177504 181980 185760 188082 199692 208980 209952 217365 218376 221880 231856 238521 242640 245673 249615 250776 260838 262440 266256 272970 278640 282123 289820 291168 295840 299538 313470 318028 327564 332820 334368 347784 349920 363960 376164 391257 397535 399384 409455 417960 434730 436752 443760 449307 463712 470205 477042 485280 491346 499230 501552 521676 524880 532512 545940 557280 564246 579640 599076 623113 626940 636056 652095 655128 665640 695568 715563 727920 737019 748845 752328 782514 795070 798768 818910 835920 869460 873504 887520 898614 940410 954084 982692 998460 1003104 1043352 1049760 1091880 1128492 1159280 1173771 1192605 1198152 1228365 1246226 1253880 1272112 1304190 1310256 1331280 1347921 1391136 1410615 1431126 1455840 1474038 1497690 1504656 1565028 1590140 1597536 1637820 1671840 1738920 1797228 1869339 1880820 1908168 1956285 1965384 1996920 2086704 2146689 2183760 2211057 2246535 2256984 2318560 2347542 2385210 2396304 2456730 2492452 2507760 2544224 2608380 2620512 2662560 2695842 2821230 2862252 2948076 2995380 3009312 3115565 3130056 3180280 3275640 3477840 3521313 3577815 3594456 3685095 3738678 3761640 3816336 3912570 3930768 3993840 4043763 4173408 4293378 4367520 4422114 4493070 4513968 4695084 4770420 4792608 4913460 4984904 5015520 5216760 5391684 5608017 5642460 5724504 5868855 5896152 5990760 6231130 6260112 6360560 6440067 6551280 6739605 6955680 7042626 7155630 7188912 7370190 7477356 7523280 7632672 7825140 7861536 7987680 8087526 8586756 8844228 8986140 9027936 9346695 9390168 9540840 9826920 9969808 10433520 10563939 10733445 10783368 11055285 11216034 11284920 11449008 11737710 11792304 11981520 12131289 12462260 12520224 12721120 12880134 13102560 13479210 14085252 14311260 14377824 14740380 14954712 15046560 15650280 16175052 16824051 17173512 17606565 17688456 17972280 18693390 18780336 19081680 19320201 19653840 19939616 20218815 20867040 21127878 21466890 21566736 22110570 22432068 22569840 22898016 23475420 23584608 23963040 24262578 24924520 25760268 26793859 26958420 28040085 28170504 28622520 29480760 29909424 31300560 31691817 32200335 32350104 33648102 34347024 35213130 35376912 35944560 37386780 37560672 38163360 38640402 39307680 40437630 42255756 42933780 43133472 44221140 44864136 45139680 46950840 48525156 49849040 50472153 51520536 52819695 53587718 53916840 56080170 56341008 57245040 57960603 58961520 59818848 60656445 62601120 63383634 64400670 64700208 67296204 68694048 70426260 70753824 71889120 74773560 77280804 80381577 80875260 84120255 84511512 85867560 88442280 89728272 93901680 95075451 96601005 97050312 99698080 100944306 103041072 105639390 107175436 107833680 112160340 112682016 114490080 115921206 117923040 121312890 126767268 128801340 129400416 133969295 134592408 140852520 149547120 151416459 154561608 158459085 160763154 161750520 168240510 169023024 171735120 173881809 176884560 179456544 187803360 190150902 193202010 194100624 201888612 206082144 211278780 214350872 215667360 224320680 231842412 241144731 242625780 252360765 253534536 257602680 267938590 269184816 281705040 289803015 299094240 302832918 309123216 316918170 321526308 323501040 336481020 338046048 343470240 347763618 353769120 380301804 386404020 388201248 401907885 403777224 422557560 428701744 448641360 454249377 463684824 475377255 482289462 485251560 504721530 507069072 515205360 521645427 535877180 538369632 563410080 579606030 605665836 618246432 633836340 643052616 647002080 672962040 695527236 723434193 757082295 760603608 772808040 803815770 807554448 845115120 857403488 869409045 897282720 908498754 927369648 950754510 964578924 970503120 1009443060 1014138144 1030410720 1043290854 1071754360 1159212060 1205723655 1211331672 1267672680 1286105232 1345924080 1362748131 1391054472 1446868386 1514164590 1521207216 1545616080 1607631540 1615108896 1690230240 1738818090 1816997508 1854739296 1901509020 1929157848 1941006240 2018886120 2086581708 2143508720 2170302579 2271246885 2318424120 2411447310 2422663344 2535345360 2572210464 2608227135 2691848160 2725496262 2782108944 2893736772 3028329180 3042414432 3091232160 3215263080 3477636180 3617170965 3633995016 3803018040 3858315696 4037772240 4088244393 4173163416 4287017440 4340605158 4542493770 4636848240 4822894620 4845326688 5070690720 5216454270 5450992524 5564217888 5787473544 6056658360 6430526160 6510907737 6813740655 6955272360 7234341930 7267990032 7606036080 7716631392 8075544480 8176488786 8346326832 8681210316 9084987540 9273696480 9645789240 10432908540 10851512895 10901985048 11574947088 12113316720 12861052320 13021815474 13627481310 13910544720 14468683860 14535980064 15212072160 16352977572 16692653664 17362420632 18169975080 19291578480 19532723211 20441221965 20865817080 21703025790 21803970096 23149894176 24226633440 26043630948 27254962620 27821089440 28937367720 32554538685 32705955144 34724841264 36339950160 38583156960 39065446422 40882443930 41731634160 43406051580 43607940192 52087261896 54509925240 57874735440 58598169633 65109077370 65411910288 69449682528 72679900320 78130892844 81764887860 83463268320 86812103160 97663616055 104174523792 109019850480 115749470880 117196339266 130218154740 130823820576 156261785688 163529775720 173624206320 175794508899 195327232110 208349047584 218039700960 234392678532 260436309480 292990848165 312523571376 327059551440 347248412640 351589017798 390654464220 468785357064 520872618960 585981696330 625047142752 654119102880 703178035596 781308928440 878972544495 937570714128 1041745237920 1171963392660 1406356071192 1562617856880 1757945088990 1875141428256 2343926785320 2812712142384 3125235713760 3515890177980 4687853570640 5625424284768 7031780355960 9375707141280 14063560711920 28127121423840
• Sum of all divisors σ(n): 102346297653600
• Sum of proper divisors (its aliquot sum) s(n): 74219176229760
• 28127121423840 is an abundant number, because the sum of its proper divisors (74219176229760) is greater than itself. Its abundance is 46092054805920

Bases of 28127121423840

• Binary: 110011001010011011011000101001011110111100000₂
• Hexadecimal: 0x1994DB14BDE0
• Base-36: 9YXF5VI00

Squares and roots of 28127121423840

• 28127121423840 squared (28127121423840²) is 791134959591439108920345600
• 28127121423840 cubed (28127121423840³) is 22252349071073159653970291977816879104000
• The square root of 28127121423840 is 5303500.8648853827
• The cube root of 28127121423840 is 30411.7745766171

Scales and comparisons

• 28,127,121,423,840 seconds is equal to 894,355 years, 23 weeks, 5 days, 20 hours, 24 minutes.
• To count from 1 to 28,127,121,423,840 would take you about two million, two hundred thirty-five thousand, eight hundred eighty-eight 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 28127121423840 cubic inches would be around 2534.3 feet tall.

Recreational maths with 28127121423840

• 28127121423840 backwards is 04832412172182
• 28127121423840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28127121423840's digits is 45
• More coming soon!