28138942261888

Names of 28138942261888

• Cardinal: 28138942261888 can be written as Twenty-eight trillion, one hundred thirty-eight billion, nine hundred forty-two million, two hundred sixty-one thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 2.8138942261888 × 10¹³

Factors of 28138942261888

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1116

Divisors of 28138942261888

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 8 16 19 23 32 37 38 46 64 67 74 76 92 128 134 148 152 184 268 296 304 307 368 437 536 592 608 614 661 703 736 851 874 1072 1184 1216 1228 1273 1322 1406 1472 1541 1702 1748 2144 2368 2432 2456 2479 2546 2644 2812 2944 3082 3404 3496 4288 4736 4912 4958 5092 5288 5624 5833 6164 6808 6992 7061 8576 9824 9916 10184 10576 11248 11359 11666 12328 12559 13616 13984 14122 15203 16169 19648 19832 20368 20569 21152 22496 22718 23332 24457 24656 25118 27232 27968 28244 29279 30406 32338 39296 39664 40736 41138 42304 44287 44992 45436 46664 47101 48914 49312 50236 54464 55936 56488 57017 58558 60812 64676 79328 81472 82276 84608 88574 89984 90872 93328 94202 97828 98624 100472 108928 112976 114034 117116 121624 129352 134159 158656 162944 164552 177148 181744 186656 188404 195656 197248 200944 202927 215821 225952 228068 234232 243248 258704 261257 268318 288857 317312 329104 354296 363488 373312 376808 390811 391312 401888 405854 431642 451904 456136 464683 468464 473087 486496 517408 522514 536636 562511 577714 658208 708592 726976 746624 753616 761053 781622 782624 803776 811708 841453 863284 903808 912272 929366 936928 946174 972992 1018601 1034816 1045028 1073272 1083323 1125022 1155428 1316416 1417184 1453952 1507232 1522106 1563244 1565248 1607552 1623416 1638619 1682906 1726568 1824544 1858732 1873856 1892348 1945984 2037202 2069632 2090056 2146544 2166646 2250044 2310856 2632832 2834368 3014464 3044212 3126488 3130496 3246832 3277238 3365812 3453136 3649088 3717464 3747712 3784696 3855613 4074404 4180112 4293088 4333292 4500088 4621712 4667321 4963883 5668736 6028928 6088424 6252976 6493664 6554476 6731624 6906272 7298176 7434928 7508299 7569392 7711226 8148808 8360224 8586176 8666584 8988653 9000176 9243424 9334642 9927766 10687709 12176848 12505952 12987328 13108952 13463248 13596109 13812544 14460007 14869856 15016598 15138784 15422452 16297616 16720448 17172352 17333168 17504219 17977306 18000352 18486848 18669284 19353419 19855532 21375418 24353696 25011904 25974656 26217904 26926496 27192218 27625088 28920014 29739712 30033196 30277568 30844904 31133761 32595232 33440896 34666336 35008438 35954612 36000704 36973696 37338568 37688237 38706838 39711064 42750836 48707392 50023808 52435808 53852992 54384436 57840028 59479424 60066392 60555136 61689808 62267522 65190464 69332672 70016876 71909224 72001408 74677136 75376474 77413676 79422128 85501672 88679099 97414784 104871616 107705984 108768872 115680056 120132784 123379616 124535044 130380928 138665344 140033752 142657681 143818448 149354272 150752948 154827352 158844256 171003344 172690877 177358198 209743232 217537744 231360112 240265568 246759232 249070088 258326071 280067504 285315362 287636896 298708544 301505896 309654704 312710507 317688512 332580161 342006688 345381754 354716396 435075488 462720224 480531136 493518464 498140176 503056033 516652142 560135008 570630724 575273792 597417088 603011792 619309408 625421014 635377024 665160322 684013376 690763508 709432792 716076503 870150976 925440448 961062272 996280352 1006112066 1033304284 1120270016 1141261448 1150547584 1206023584 1238618816 1250842028 1330320644 1368026752 1381527016 1418865584 1432153006 1740301952 1850880896 1992560704 2012224132 2066608568 2240540032 2282522896 2412047168 2477237632 2501684056 2660641288 2763054032 2837731168 2864306012 3281126663 3985121408 4024448264 4133217136 4565045792 4824094336 5003368112 5321282576 5526108064 5675462336 5728612024 5941499633 6562253326 8048896528 8266434272 9130091584 9558064627 10006736224 10642565152 11052216128 11350924672 11457224048 11570288759 11882999266 13124506652 16097793056 16532868544 18260183168 19116129254 20013472448 21285130304 22104432256 22914448096 23140577518 23765998532 26249013304 32195586112 33065737088 38232258508 40026944896 42570260608 45828896192 46281155036 47531997064 52498026608 64391172224 76464517016 91657792384 92562310072 95063994128 104996053216 152929034032 185124620144 190127988256 209992106432 219835486421 305858068064 370249240288 380255976512 419984212864 439670972842 611716136128 740498480576 760511953024 879341945684 1223432272256 1480996961152 1758683891368 3517367782736 7034735565472 14069471130944 28138942261888
• Sum of all divisors σ(n): 64488553113600
• Sum of proper divisors (its aliquot sum) s(n): 36349610851712
• 28138942261888 is an abundant number, because the sum of its proper divisors (36349610851712) is greater than itself. Its abundance is 8210668589824

Bases of 28138942261888

• Binary: 110011001011110011011101010000110101010000000₂
• Hexadecimal: 0x19979BA86A80
• Base-36: 9Z2UNP30G

Squares and roots of 28138942261888

• 28138942261888 squared (28138942261888²) is 791800071617866553577324544
• 28138942261888 cubed (28138942261888³) is 22280416498213930270712063842050818179072
• The square root of 28138942261888 is 5304615.1850900551
• The cube root of 28138942261888 is 30416.0343123561

Scales and comparisons

• 28,138,942,261,888 seconds is equal to 894,731 years, 16 weeks, 6 days, 2 hours, 31 minutes, 28 seconds.
• To count from 1 to 28,138,942,261,888 would take you about two million, two hundred thirty-six thousand, eight hundred twenty-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 28138942261888 cubic inches would be around 2534.7 feet tall.

Recreational maths with 28138942261888

• 28138942261888 backwards is 88816224983182
• The number of decimal digits it has is: 14
• The sum of 28138942261888's digits is 70
• More coming soon!