138637542905890287300

Names of 138637542905890287300

• Cardinal: 138637542905890287300 can be written as One hundred thirty-eight quintillion, six hundred thirty-seven quadrillion, five hundred forty-two trillion, nine hundred five billion, eight hundred ninety million, two hundred eighty-seven thousand, three hundred.

Scientific notation

• Scientific notation: 1.386375429058902873 × 10²⁰

Factors of 138637542905890287300

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 15312244

Divisors of 138637542905890287300

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 73 75 81 90 100 108 135 146 150 162 180 219 225 270 292 300 324 365 405 438 450 540 657 675 730 810 876 900 1095 1314 1350 1460 1620 1825 1971 2025 2190 2628 2700 3285 3650 3942 4050 4380 5475 5913 6570 7300 7884 8100 9855 10950 11826 13140 16425 19710 21900 23652 29565 32850 39420 49275 59130 65700 98550 118260 147825 197100 295650 591300 15312161 30624322 45936483 61248644 76560805 91872966 137809449 153121610 183745932 229682415 275618898 306243220 382804025 413428347 459364830 551237796 689047245 765608050 826856694 918729660 1117787753 1148412075 1240285041 1378094490 1531216100 1653713388 2067141735 2235575506 2296824150 2480570082 2756188980 3353363259 3445236225 4134283470 4471151012 4593648300 4961140164 5588938765 6201425205 6706726518 6890472450 8268566940 10060089777 10335708675 11177877530 12402850410 13413453036 13780944900 16766816295 20120179554 20671417350 22355755060 24805700820 27944693825 30180269331 31007126025 33533632590 40240359108 41342834700 50300448885 55889387650 60360538662 62014252050 67067265180 83834081475 90540807993 100600897770 111778775300 120721077324 124028504100 150901346655 167668162950 181081615986 201201795540 251502244425 301802693310 335336325900 362163231972 452704039965 503004488850 603605386620 754506733275 905408079930 1006008977700 1509013466550 1810816159860 2263520199825 3018026933100 4527040399650 9054080799300 234462274489921 468924548979842 703386823469763 937849097959684 1172311372449605 1406773646939526 2110160470409289 2344622744899210 2813547293879052 3516934117348815 4220320940818578 4689245489798420 5861556862248025 6330481411227867 7033868234697630 8440641881637156 10550802352046445 11723113724496050 12660962822455734 14067736469395260 17115746037764233 17584670586744075 18991444233683601 21101604704092890 23446227448992100 25321925644911468 31652407056139335 34231492075528466 35169341173488150 37982888467367202 42203209408185780 51347238113292699 52754011760232225 63304814112278670 68462984151056932 70338682346976300 75965776934734404 85578730188821165 94957221168418005 102694476226585398 105508023520464450 126609628224557340 154041714339878097 158262035280696675 171157460377642330 189914442336836010 205388952453170796 211016047040928900 256736190566463495 308083428679756194 316524070561393350 342314920755284660 379828884673672020 427893650944105825 462125143019634291 474786105842090025 513472381132926990 616166857359512388 633048141122786700 770208571699390485 855787301888211650 924250286039268582 949572211684180050 1026944762265853980 1283680952832317475 1386375429058902873 1540417143398780970 1711574603776423300 1848500572078537164 1899144423368360100 2310625715098171455 2567361905664634950 2772750858117805746 3080834286797561940 3851042858496952425 4621251430196342910 5134723811329269900 5545501716235611492 6931877145294514365 7702085716993904850 9242502860392685820 11553128575490857275 13863754290589028730 15404171433987809700 23106257150981714550 27727508581178057460 34659385726472571825 46212514301963429100 69318771452945143650 138637542905890287300
• Sum of all divisors σ(n): 455564449406663706494
• Sum of proper divisors (its aliquot sum) s(n): 316926906500773419194
• 138637542905890287300 is an abundant number, because the sum of its proper divisors (316926906500773419194) is greater than itself. Its abundance is 178289363594883131894

Bases of 138637542905890287300

• Binary: 1111000001111111011011111101011110101011110100100010010111011000100₂
• Hexadecimal: 0x783FB7EBD5E912EC4
• Base-36: T9AWRDVD0M090

Squares and roots of 138637542905890287300

• 138637542905890287300 squared (138637542905890287300²) is 19220368302982570326528845824476541290000
• 138637542905890287300 cubed (138637542905890287300³) is 2664664635271759782912790657194062076779568541308412617000000
• The square root of 138637542905890287300 is 11774444483.9614530029
• The cube root of 138637542905890287300 is 5175594.9952565727

Scales and comparisons

• 138,637,542,905,890,287,300 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,637,542,905,890,287,300 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 138637542905890287300 cubic inches would be around 431299.6 feet tall.

Recreational maths with 138637542905890287300

• 138637542905890287300 backwards is 003782098509245736831
• 138637542905890287300 is a Harshad number.
• The number of decimal digits it has is: 21
• The sum of 138637542905890287300's digits is 90
• More coming soon!