28439879806845

Names of 28439879806845

• Cardinal: 28439879806845 can be written as Twenty-eight trillion, four hundred thirty-nine billion, eight hundred seventy-nine million, eight hundred six thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 2.8439879806845 × 10¹³

Factors of 28439879806845

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 116

Divisors of 28439879806845

• Number of divisors d(n): 672
• Complete list of divisors:
  1 3 5 9 13 15 17 27 37 39 41 45 51 65 81 85 111 117 123 135 153 185 195 205 221 243 255 289 333 351 369 405 459 481 533 555 585 615 629 663 697 729 765 867 999 1053 1105 1107 1215 1369 1377 1443 1445 1517 1599 1665 1755 1845 1887 1989 2091 2295 2405 2601 2665 2997 3145 3159 3315 3321 3485 3645 3757 4107 4131 4329 4335 4551 4797 4995 5265 5535 5661 5967 6273 6845 6885 7215 7585 7803 7995 8177 8991 9061 9435 9477 9945 9963 10455 10693 11271 11849 12321 12393 12987 13005 13653 14391 14985 15795 16605 16983 17797 17901 18785 18819 19721 20535 20655 21645 22755 23273 23409 23985 24531 25789 26973 27183 28305 29835 29889 31365 32079 33813 35547 36963 38961 39015 40885 40959 43173 44955 45305 47385 49815 50653 50949 53391 53465 53703 56129 56355 56457 59163 59245 61605 61965 64935 68265 69819 70227 71955 73593 77367 81549 84915 88985 89505 94095 96237 98605 101439 106641 110889 116365 116883 117045 122655 122877 128945 129519 134865 135915 139009 149445 151959 152847 154037 160173 160395 161109 168387 169065 169371 177489 177735 184815 194805 204795 209457 210681 215865 220779 232101 244647 253265 254745 266955 268515 280645 282285 288711 295815 302549 304317 319923 332667 335257 349095 350649 351135 367965 368631 386835 388557 395641 407745 417027 438413 455877 458541 462111 480519 481185 505161 507195 508113 532467 533205 554445 584415 614385 628371 647595 658489 662337 695045 696303 729677 733941 759795 764235 770185 800865 805545 841935 846855 861101 866133 887445 907647 912951 954193 959769 998001 1005771 1047285 1053405 1103895 1105893 1160505 1186923 1223235 1251081 1315239 1367631 1386333 1441557 1443555 1512745 1515483 1521585 1597401 1599615 1663335 1676285 1753245 1843155 1885113 1942785 1975467 1978205 1987011 2076773 2085135 2088909 2189031 2192065 2201823 2279385 2292705 2310555 2402595 2525805 2540565 2583303 2598399 2662335 2722941 2738853 2862579 2879307 3017313 3141855 3292445 3311685 3481515 3560769 3648385 3669705 3753243 3945717 4102893 4158999 4305505 4324671 4330665 4538235 4546449 4564755 4770965 4792203 4798845 4990005 5028855 5143333 5529465 5655339 5699369 5926401 5934615 5961033 6230319 6255405 6266727 6567093 6576195 6605469 6838155 6931665 7207785 7577415 7749909 7795197 7987005 8168823 8587737 8637921 9051939 9425565 9877335 9935055 10383865 10444545 10682307 10945155 11009115 11194313 11259729 11837151 12308679 12404509 12476997 12916515 12974013 12991995 13614705 13639347 13694265 14312895 14376609 14396535 14638717 15086565 15429999 16221281 16966017 17098107 17779203 17803845 18690957 18766215 18800181 19701279 19728585 20514465 20794995 21623355 22732245 23249727 23961015 24506469 25716665 25763211 26998049 27155817 28276695 28496845 29632005 29805165 31151595 31333635 32046921 32835465 33027345 33582939 33779187 35305141 35511453 36926037 37213527 37430991 38749545 38975985 40844115 40918041 42938685 43189605 43916151 45259695 46289997 48663843 51294321 53337609 53411535 55971565 56072871 56298645 59103837 59185755 61543395 62022545 62384985 64870065 68196735 69749181 71883045 73193585 73519407 77149995 77289633 80994147 81106405 81467451 84830085 85490535 88896015 93454785 94000905 96140763 98506395 100748817 101337561 105915423 106534359 111640581 112292973 116248635 122532345 128816055 131748453 134990245 135779085 138869991 145991529 153882963 160012827 160234605 167914695 168218613 168895935 176525705 177311511 177557265 184630185 186067635 187154955 190303321 204590205 209247543 210876653 219580755 220558221 231449985 231868899 242982441 243319215 244402353 256471605 266688045 280364355 288422289 295519185 302246451 317746269 319603077 334921743 348745905 367597035 386448165 395245359 404970735 407337255 416609973 437974587 458966833 461648889 480038481 480703815 503744085 504655839 506687805 529577115 531934533 532671795 558202905 561464865 570909963 600187397 627742629 632629959 658742265 694349955 695606697 728947323 729957645 769414815 800064135 841093065 886557555 906739353 951516605 953238807 1004765229 1046237715 1054383265 1102791105 1159344495 1185736077 1214912205 1222011765 1249829919 1313923761 1376900499 1384946667 1442111445 1511232255 1513967517 1588731345 1598015385 1674608715 1712729889 1800562191 1897889877 1976226795 2083049865 2186841969 2189872935 2294834165 2308244445 2400192405 2523279195 2659672665 2720218059 2854549815 2859716421 3000936985 3014295687 3138713145 3163149795 3478033485 3557208231 3644736615 3749489757 3941771283 4130701497 4154840001 4533696765 4766194035 5023826145 5138189667 5401686573 5693669631 5928680385 6249149595 6560525907 6569618805 6884502495 6924733335 7569837585 7802436161 8160654177 8563649445 8579149263 9002810955 9042887061 9489449385 10671624693 10934209845 11825313849 12392104491 13601090295 14298582105 15071478435 15414569001 16205059719 17081008893 17786041155 18747448785 19681577721 19708856415 20653507485 20774200005 23407308483 25690948335 25737447789 27008432865 28468348155 32802629535 37176313473 39012180805 40803270885 42895746315 45214435305 46243707003 48615179157 51243026679 53358123465 59126569245 61960522455 70221925449 77072845005 81025298595 85405044465 98407888605 111528940419 117036542415 128687238945 138731121009 145845537471 153729080037 185881567365 210665776347 231218535015 243075895785 256215133395 334586821257 351109627245 437536612413 557644702095 631997329041 693655605045 729227687355 768645400185 1053328881735 1672934106285 1895991987123 2187683062065 3159986645205 5687975961369 9479959935615 28439879806845
• Sum of all divisors σ(n): 61629873691680
• Sum of proper divisors (its aliquot sum) s(n): 33189993884835
• 28439879806845 is an abundant number, because the sum of its proper divisors (33189993884835) is greater than itself. Its abundance is 4750114077990

Bases of 28439879806845

• Binary: 110011101110110101100111011101110111101111101₂
• Hexadecimal: 0x19DDACEEEF7D
• Base-36: A2X3M52T9

Squares and roots of 28439879806845

• 28439879806845 squared (28439879806845²) is 808826763427789994508854025
• 28439879806845 cubed (28439879806845³) is 23002935936445802619137691019159300801125
• The square root of 28439879806845 is 5332905.3813887417
• The cube root of 28439879806845 is 30524.0801706295

Scales and comparisons

• 28,439,879,806,845 seconds is equal to 904,300 years, 10 weeks, 5 days, 13 hours, 45 seconds.
• To count from 1 to 28,439,879,806,845 would take you about two million, two hundred sixty thousand, seven hundred fifty 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 28439879806845 cubic inches would be around 2543.7 feet tall.

Recreational maths with 28439879806845

• 28439879806845 backwards is 54860897893482
• 28439879806845 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28439879806845's digits is 81
• More coming soon!