28009999938375

Names of 28009999938375

• Cardinal: 28009999938375 can be written as Twenty-eight trillion, nine billion, nine hundred ninety-nine million, nine hundred thirty-eight thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 2.8009999938375 × 10¹³

Factors of 28009999938375

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3431

Divisors of 28009999938375

• Number of divisors d(n): 640
• Complete list of divisors:
  1 3 5 7 9 13 15 21 25 27 35 39 45 53 63 65 75 81 91 105 117 125 135 159 175 181 189 195 225 265 273 315 325 351 371 375 405 455 477 525 543 567 585 675 689 795 819 875 905 945 975 1053 1113 1125 1267 1325 1365 1431 1575 1625 1629 1755 1855 2025 2067 2275 2353 2385 2457 2625 2715 2835 2925 3169 3339 3375 3445 3801 3975 4095 4293 4525 4725 4823 4875 4887 5265 5565 6201 6335 6625 6825 7059 7155 7371 7875 8145 8775 9275 9507 9593 10017 10125 10335 11375 11403 11765 11925 12285 13575 14175 14469 14625 14661 15845 16471 16695 17225 18603 19005 19875 20475 21177 21465 22183 22625 23625 24115 24435 26325 27825 28521 28779 30051 31005 31675 34125 34209 35295 35775 36855 40725 41197 43407 43875 46375 47535 47965 49413 50085 51675 55809 57015 58825 59625 61425 63531 66549 67151 67875 70875 72345 73305 79225 82355 83475 85563 86125 86337 93015 95025 102375 102627 105885 107325 110915 120575 122175 123591 124709 130221 131625 139125 142605 143895 148239 150255 155025 158375 167957 171045 176475 178875 184275 190593 199647 201453 203625 205985 217035 237675 239825 247065 250425 256689 258375 259011 279045 285075 288379 294125 307125 317655 332745 335755 361725 366525 370773 374127 390663 396125 411775 417375 427815 431685 444717 465075 475125 503871 513135 529425 536625 554575 573589 598941 602875 604359 610875 617955 623545 651105 713025 719475 741195 751275 775125 777033 839785 855225 865137 872963 882375 921375 952965 998235 1007265 1029925 1085175 1112319 1122381 1175699 1188375 1199125 1235325 1252125 1283445 1295055 1334151 1395225 1425375 1441895 1511613 1588275 1663725 1678775 1720767 1796823 1808625 1813077 1832625 1853865 1870635 1953315 2058875 2139075 2158425 2183441 2223585 2325375 2519355 2565675 2595411 2618889 2647125 2772875 2867945 2994705 3021795 3089775 3117725 3255525 3336957 3367143 3527097 3565125 3597375 3705975 3756375 3885165 4015123 4198925 4276125 4325685 4364815 4534839 4764825 4991175 5036325 5149625 5162301 5425875 5439231 5561595 5611905 5878495 6176625 6417225 6475275 6550323 6670755 6976125 7209475 7456657 7558065 7786233 7856667 7941375 8318625 8393875 8603835 8984115 9065385 9269325 9353175 9766575 10101429 10581291 10695375 10792125 10917205 11117925 12045369 12596775 12828375 12977055 13094445 13604517 14339725 14973525 15108975 15284087 15448875 15486903 15588625 16277625 16684785 16835715 17635485 18529875 19425825 19650969 20075615 20994625 21628425 21824075 22369971 22674195 23358699 23570001 23824125 24955875 25181625 25811505 27196155 27807975 28059525 29392475 30400217 31743873 32086125 32376375 32751615 33353775 36047375 36136107 37283285 37790325 38931165 39283335 43019175 44920575 45326925 45852261 46346625 46460709 46765875 48832875 50507145 52196599 52906455 54586025 55589625 58952907 60226845 62983875 64885275 65472225 67109913 68022585 70710003 71698625 74867625 75544875 76420435 77434515 83423925 84178575 88177425 91200651 95231619 97129125 98254845 100378075 108142125 108408321 109120375 111849855 113370975 116793495 117850005 129057525 135980775 137556783 139039875 140297625 146962375 152001085 156589797 158719365 163758075 166768875 176858721 180680535 186416425 188951625 194655825 196416675 201329739 212801519 215095875 224602875 226634625 229261305 232303545 252535725 260982995 264532275 272930125 273601953 294764535 301134225 324426375 325224963 327361125 335549565 340112925 353550015 382102175 387172575 395202821 412670349 417119625 420892875 440887125 456003255 469769391 476158095 491274225 501890375 542041605 559249275 566854875 583967475 589250025 603989217 638404557 645287625 679903875 687783915 760005425 782948985 793596825 818790375 820805859 884293605 903402675 932082125 973279125 982083375 1006648695 1064007595 1146306525 1161517725 1185608463 1238011047 1262678625 1304914975 1322661375 1368009765 1409308173 1473822675 1505671125 1626124815 1677747825 1700564625 1767750075 1910510875 1915213671 1935862875 1976014105 2063351745 2280016275 2348846955 2380790475 2456371125 2462417577 2710208025 2766419747 2796246375 2919837375 2946250125 3019946085 3192022785 3438919575 3556825389 3800027125 3914744925 3967984125 4104029295 4227924519 4421468025 4517013375 5033243475 5320037975 5731532625 5745641013 5807588625 5928042315 6190055235 6524574875 6840048825 7046540865 7369113375 8130624075 8299259241 8388739125 8838750375 9576068355 9880070525 10316758725 10670476167 11400081375 11744234775 11903952375 12312087885 13551040125 13832098735 15099730425 15960113925 17194597875 17236923039 17784126945 19573724625 20520146475 21139622595 22107340125 24897777723 25166217375 26600189875 28728205065 29640211575 30950276175 32011428501 34200244125 35232704325 40653120375 41496296205 47880341775 49400352625 51583793625 53352380835 58721173875 61560439425 69160493675 74693333169 75498652125 79800569625 86184615195 88920634725 102600732375 105698112975 124488888615 143641025325 148201057875 154751380875 160057142505 176163521625 207481481025 224079999507 239401708875 266761904175 307802197125 345802468375 373466665845 430923075975 444603173625 528490564875 622444443075 718205126625 800285712525 1037407405125 1120399997535 1333809520875 1867333329225 2154615379875 3112222215375 4001428562625 5601999987675 9336666646125 28009999938375
• Sum of all divisors σ(n): 65864651973120
• Sum of proper divisors (its aliquot sum) s(n): 37854652034745
• 28009999938375 is an abundant number, because the sum of its proper divisors (37854652034745) is greater than itself. Its abundance is 9844652096370

Bases of 28009999938375

• Binary: 110010111100110010110000110001011001101000111₂
• Hexadecimal: 0x19799618B347
• Base-36: 9XFM6RLFR

Squares and roots of 28009999938375

• 28009999938375 squared (28009999938375²) is 784560096547767503797640625
• 28009999938375 cubed (28009999938375³) is 21975528255954451831615741484720396484375
• The square root of 28009999938375 is 5292447.4431377209
• The cube root of 28009999938375 is 30369.5042530857

Scales and comparisons

• 28,009,999,938,375 seconds is equal to 890,631 years, 18 weeks, 4 days, 2 hours, 26 minutes, 15 seconds.
• To count from 1 to 28,009,999,938,375 would take you about two million, two hundred twenty-six thousand, five hundred seventy-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 28009999938375 cubic inches would be around 2530.8 feet tall.

Recreational maths with 28009999938375

• 28009999938375 backwards is 57383999990082
• 28009999938375 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28009999938375's digits is 81
• More coming soon!