138921805295520

Names of 138921805295520

• Cardinal: 138921805295520 can be written as One hundred thirty-eight trillion, nine hundred twenty-one billion, eight hundred five million, two hundred ninety-five thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.3892180529552 × 10¹⁴

Factors of 138921805295520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2688

Divisors of 138921805295520

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 31 32 39 40 48 52 60 62 65 78 80 93 96 104 113 120 124 130 155 156 160 186 195 208 226 240 248 260 310 312 339 372 390 403 416 452 465 480 496 520 565 620 624 678 744 780 806 904 930 992 1040 1130 1209 1240 1248 1356 1469 1488 1560 1612 1695 1808 1860 2015 2080 2260 2418 2480 2521 2712 2938 2976 3120 3224 3390 3503 3616 3720 4030 4407 4520 4836 4960 5042 5424 5876 6045 6240 6448 6780 7006 7345 7440 7563 8060 8814 9040 9672 10084 10509 10848 11752 12090 12605 12896 13560 14012 14690 14880 15126 16120 17515 17628 18080 19344 20168 21018 22035 23504 24180 25210 27120 28024 29380 30252 32240 32773 35030 35256 37815 38688 40336 42036 44070 45539 47008 48360 50420 52545 54240 56048 58760 60504 64480 65546 70060 70512 75630 78151 80672 84072 88140 91078 96720 98319 100840 105090 112096 117520 121008 131092 136617 140120 141024 151260 156302 163865 168144 176280 182156 193440 196638 201680 210180 227695 234453 235040 242016 262184 273234 280240 284873 302520 312604 327730 336288 352560 364312 390755 393276 403360 420360 455390 468906 491595 524368 546468 560480 569746 605040 625208 655460 683085 705120 728624 781510 786552 840720 854619 910780 937812 983190 1015963 1048736 1092936 1139492 1172265 1210080 1250416 1310920 1366170 1424365 1457248 1563020 1573104 1681440 1709238 1821560 1875624 1966380 2031926 2185872 2278984 2344530 2500832 2621840 2732340 2848730 3047889 3126040 3146208 3418476 3643120 3703349 3751248 3932760 4063852 4273095 4371744 4557968 4689060 5079815 5243680 5464680 5697460 6095778 6252080 6355441 6836952 7286240 7406698 7502496 7865520 8127704 8546190 8831063 9115936 9378120 10159630 10929360 11110047 11394920 12191556 12504160 12710882 13673904 14813396 15239445 15731040 16255408 17092380 17662126 18516745 18756240 19066323 20319260 21858720 22220094 22789840 24383112 25421764 26493189 27347808 29626792 30478890 31777205 32510816 34184760 35324252 37033490 37512480 38132646 40638520 44155315 44440188 45579680 48766224 50843528 52986378 55550235 59253584 60957780 63554410 68369520 70648504 74066980 76265292 81277040 82620733 88310630 88880376 95331615 97532448 101687056 105972756 111100470 114803819 118507168 121915560 127108820 132465945 136739040 141297008 148133960 152530584 162554080 165241466 176621260 177760752 190663230 197018671 203374112 211945512 222200940 229607638 243831120 247862199 254217640 264931890 282594016 296267920 305061168 330482932 344411457 353242520 355521504 381326460 394037342 413103665 423891024 444401880 459215276 487662240 495724398 508435280 529863780 574019095 591056013 592535840 610122336 660965864 688822914 706485040 718164833 762652920 788074684 826207330 847782048 888803760 918430552 985093355 991448796 1016870560 1059727560 1148038190 1182112026 1239310995 1321931728 1377645828 1412970080 1436329666 1525305840 1576149368 1652414660 1722057285 1777607520 1836861104 1970186710 1982897592 2119455120 2154494499 2296076380 2364224052 2478621990 2561242723 2643863456 2755291656 2872659332 2955280065 3050611680 3152298736 3304829320 3444114570 3590824165 3673722208 3940373420 3965795184 4238910240 4308988998 4592152760 4728448104 4957243980 5122485446 5510583312 5745318664 5910560130 6304597472 6609658640 6888229140 7181648330 7683728169 7880746840 7931590368 8617977996 9184305520 9336142829 9456896208 9914487960 10244970892 10772472495 11021166624 11490637328 11821120260 12806213615 13219317280 13776458280 14363296660 15367456338 15761493680 17235955992 18368611040 18672285658 18913792416 19828975920 20489941784 21544944990 22263109823 22981274656 23642240520 25612427230 27552916560 28008428487 28726593320 30734912676 31522987360 34471911984 37344571316 38418640845 39657951840 40979883568 43089889980 44526219646 46680714145 47284481040 51224854460 55105833120 56016856974 57453186640 61469825352 66789329469 68943823968 74689142632 76837281690 81959767136 86179779960 89052439292 93361428290 94568962080 102449708920 111315549115 112033713948 114906373280 122939650704 133578658938 140042142435 149378285264 153674563380 172359559920 178104878584 186722856580 204899417840 222631098230 224067427896 245879301408 267157317876 280084284870 289420427699 298756570528 307349126760 333946647345 344719119840 356209757168 373445713160 409798835680 445262196460 448134855792 534314635752 560168569740 578840855398 614698253520 667893294690 712419514336 746891426320 868261283097 890524392920 896269711584 1068629271504 1120337139480 1157681710796 1229396507040 1335786589380 1447102138495 1493782852640 1736522566194 1781048785840 2137258543008 2240674278960 2315363421592 2671573178760 2894204276990 3473045132388 3562097571680 4341306415485 4481348557920 4630726843184 5343146357520 5788408553980 6946090264776 8682612830970 9261453686368 10686292715040 11576817107960 13892180529552 17365225661940 23153634215920 27784361059104 34730451323880 46307268431840 69460902647760 138921805295520
• Sum of all divisors σ(n): 490967396140032
• Sum of proper divisors (its aliquot sum) s(n): 352045590844512
• 138921805295520 is an abundant number, because the sum of its proper divisors (352045590844512) is greater than itself. Its abundance is 213123785548992

Bases of 138921805295520

• Binary: 11111100101100101000000110110110010111110100000₂
• Hexadecimal: 0x7E5940DB2FA0
• Base-36: 1D8RSO0NMO

Squares and roots of 138921805295520

• 138921805295520 squared (138921805295520²) is 19299267986566368714532070400
• 138921805295520 cubed (138921805295520³) is 2681089149575835369508418232873589444608000
• The square root of 138921805295520 is 11786509.4619026205
• The cube root of 138921805295520 is 51791.2992665547

Scales and comparisons

• 138,921,805,295,520 seconds is equal to 4,417,283 years, 36 weeks, 23 hours, 52 minutes.
• To count from 1 to 138,921,805,295,520 would take you about eleven million, forty-three thousand, two hundred 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 138921805295520 cubic inches would be around 4315.9 feet tall.

Recreational maths with 138921805295520

• 138921805295520 backwards is 025592508129831
• 138921805295520 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138921805295520's digits is 60
• More coming soon!