28021090791015

Names of 28021090791015

• Cardinal: 28021090791015 can be written as Twenty-eight trillion, twenty-one billion, ninety million, seven hundred ninety-one thousand and fifteen.

Scientific notation

• Scientific notation: 2.8021090791015 × 10¹³

Factors of 28021090791015

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1984

Divisors of 28021090791015

• Number of divisors d(n): 768
• Complete list of divisors:
  1 3 5 7 9 15 17 21 27 29 35 45 49 51 61 63 79 85 87 105 119 135 145 147 153 183 189 203 237 245 255 261 305 315 357 395 427 435 441 459 493 549 553 595 609 711 735 765 783 833 915 945 1015 1037 1071 1185 1281 1305 1323 1343 1421 1479 1647 1659 1769 1783 1785 1827 2133 2135 2205 2291 2295 2465 2499 2745 2765 2989 3045 3111 3213 3451 3555 3843 3871 3915 4029 4165 4263 4437 4819 4977 5185 5307 5349 5355 5481 6405 6615 6715 6873 7105 7259 7395 7497 8235 8295 8845 8915 8967 9135 9333 9401 10353 10665 11455 11529 11613 12087 12383 12481 12495 12789 13311 14457 14931 14945 15555 15921 16037 16047 16065 17255 19215 19355 20145 20619 21315 21777 22185 22491 24095 24157 24885 26535 26745 26901 27405 27999 28203 30073 30311 31059 33733 34365 34839 36261 36295 37149 37443 37485 38367 38947 43371 44835 46665 47005 47763 48111 48141 50813 51707 51765 57645 58065 60435 61857 61915 62405 63945 65331 65807 66555 72285 72471 74655 79605 80185 80235 80703 81923 84609 86681 87367 90219 90933 93177 101199 103095 104517 108763 108885 111447 112259 112329 112455 116841 120785 130113 134505 139751 139995 140857 141015 144333 150365 151555 152439 155121 155295 168665 174195 181305 185745 187215 191835 194735 195993 197421 210511 212177 216855 217413 236131 238815 240555 240705 245769 253827 254065 258535 260043 262101 270657 272629 272799 303597 309285 326289 326655 329035 334341 336777 336987 350523 361949 362355 403515 409615 419253 422571 423045 432999 433405 436835 451095 454665 457317 465363 465885 505995 522585 543815 557235 561295 561645 573461 584205 592263 631533 636531 650565 652239 698755 704285 708393 721665 737307 761341 762195 775605 780129 786303 811971 817887 818397 879019 910791 978257 978867 979965 985999 987105 1010331 1051569 1052555 1060885 1085847 1087065 1180655 1228845 1257759 1267713 1269135 1300215 1310505 1353285 1363145 1363995 1371951 1396089 1473577 1485239 1517985 1631445 1671705 1683885 1684935 1720383 1752615 1776789 1809745 1848971 1894599 1908403 1909593 2096265 2112855 2125179 2164995 2211921 2284023 2286585 2326815 2340387 2358909 2375767 2394569 2453661 2533643 2637057 2867305 2934771 2936601 2957997 2961315 3030993 3154127 3157665 3182655 3257541 3261195 3541965 3686535 3773277 3803139 3806705 3900645 3931515 4014227 4059855 4084853 4089435 4091985 4395095 4420731 4455717 4553955 4891285 4894335 4929995 5051655 5161149 5257845 5329387 5429235 5546913 5683797 5725209 5728779 6153133 6288795 6338565 6375537 6847799 6852069 6859755 6901993 6980445 7127301 7183707 7360983 7367885 7426195 7600929 7911171 8592277 8601915 8804313 8873991 8883945 9244855 9462381 9472995 9542015 9547965 9772623 10625895 11059605 11420115 11701935 11794545 11878835 11972845 12042681 12254559 12268305 12668215 12942797 13185285 13262193 13367151 14673855 14683005 14789985 15154965 15483447 15770635 15988161 16287705 16630369 16640739 16761983 17175627 18459399 18866385 19015695 20071135 20424265 20543397 20556207 20705979 21381903 21551121 22078889 22103655 22278585 22802787 23733513 25776831 25805745 26412939 26621973 26646935 27734565 28387143 28418985 28593971 28626045 28643895 30765665 31877685 34238995 34260345 34509965 35636505 35918535 36128043 36763677 36804915 38004645 38828391 39555855 39786579 40101453 42961385 43071931 44021565 44369955 47311905 47964483 48863115 49891107 49922217 50285949 51526881 53620159 55378197 60145939 60213405 61272795 61630191 62117937 64145709 64653363 64713985 66236667 66310965 66835755 68408361 69442501 77330493 77417235 79940805 83151845 83203695 83809915 85161429 85781913 85878135 90599579 92296995 102716985 102781035 103529895 106909515 107755605 108384129 110291031 110394445 114013935 116412583 116485173 117333881 118667565 128884155 129215793 132064695 133109865 141935715 142969855 143893449 146068709 149673321 150857847 154552223 160860477 166134591 180437817 180640215 183818385 184890573 186353811 194141955 198710001 198932895 200157797 200507265 208327503 215359655 231991479 239822415 249176033 249455535 249611085 251429745 257345739 257634405 268100795 271798737 276890985 300729695 308150955 310589685 320728545 323266815 331183335 342041805 347212505 349237749 349455519 352001643 375341113 386652465 387647379 421021573 425807145 428909565 438206127 449019963 452573541 452997895 463656669 482581431 486097507 541313451 541920645 551455155 582062915 582425865 586669405 596130003 600473391 624982509 646078965 719467245 730343545 747528099 748366605 754289235 772037217 772761115 804302385 815396211 830672955 902189085 924452865 931769055 993550005 1000788985 1022480963 1041637515 1047713247 1056004929 1126023339 1159957395 1162942137 1245880165 1263064719 1286728695 1314618381 1358993685 1390970007 1447744293 1458292521 1623940353 1744232231 1746188745 1747277595 1760008215 1801420173 1874947527 1876705565 1938236895 2105107865 2191030635 2242584297 2245099815 2262867705 2318283345 2412907155 2430487535 2446188633 2627387791 2706567255 2980650015 3002366955 3067442889 3124912545 3143139741 3168014787 3378070017 3402682549 3737640495 3789194157 3860186085 3943855143 4076981055 4172910021 4235992561 4374877563 5112404815 5232696693 5238566235 5280024645 5404260519 5630116695 5814710685 6315323595 6573091905 6727752891 6954850035 7157366741 7238721465 7291462605 7882163373 8119701765 8721161155 9007100865 9202328667 9374737635 10134210051 10208047647 11212921485 11367582471 12209625617 12230943165 12707977683 13124632689 13136938955 15337214445 15698090079 15715698705 15840073935 16890350085 17013412745 18945970785 19719275715 20864550105 21179962805 21472100223 21874387815 23646490119 26163483465 27021302595 27606986001 29651947927 30624142941 33638764455 35786833705 36628876851 38123933049 39410816865 46011643335 47094270237 50671050255 51040238235 56837912355 61048128085 63539888415 64416300669 65623163445 70939470357 78490450395 88955843781 91872428823 107360501115 109886630553 114371799147 118232450595 138034930005 148259739635 153120714705 183144384255 190619665245 193248902007 207563635489 235471351185 266867531343 322081503345 329659891659 354697351785 444779218905 459362144115 549433152765 571858995735 622690906467 800602594029 966244510035 1037818177445 1334337656715 1648299458295 1868072719401 3113454532335 4003012970145 5604218158203 9340363597005 28021090791015
• Sum of all divisors σ(n): 65366673408000
• Sum of proper divisors (its aliquot sum) s(n): 37345582616985
• 28021090791015 is an abundant number, because the sum of its proper divisors (37345582616985) is greater than itself. Its abundance is 9324491825970

Bases of 28021090791015

• Binary: 110010111110000101011001010011010111001100111₂
• Hexadecimal: 0x197C2B29AE67
• Base-36: 9XKPLZ23R

Squares and roots of 28021090791015

• 28021090791015 squared (28021090791015²) is 785181529118305638404730225
• 28021090791015 cubed (28021090791015³) is 22001642914852030196762936623162928928375
• The square root of 28021090791015 is 5293495.1394154503
• The cube root of 28021090791015 is 30373.5120985057

Scales and comparisons

• 28,021,090,791,015 seconds is equal to 890,984 years, 4 days, 10 hours, 50 minutes, 15 seconds.
• To count from 1 to 28,021,090,791,015 would take you about two million, two hundred twenty-seven thousand, four hundred sixty 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 28021090791015 cubic inches would be around 2531.1 feet tall.

Recreational maths with 28021090791015

• 28021090791015 backwards is 51019709012082
• 28021090791015 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28021090791015's digits is 45
• More coming soon!