138507866640

Names of 138507866640

• Cardinal: 138507866640 can be written as One hundred thirty-eight billion, five hundred seven million, eight hundred sixty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3850786664 × 10¹¹

Factors of 138507866640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 244

Divisors of 138507866640

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 20 22 24 26 30 33 36 39 40 44 45 48 52 55 59 60 65 66 72 78 80 88 90 99 104 110 117 118 120 130 132 143 144 151 156 165 176 177 180 195 198 208 220 234 236 240 260 264 286 295 302 312 330 354 360 390 396 429 440 453 468 472 495 520 528 531 572 585 590 604 624 649 660 708 715 720 755 767 780 792 858 880 885 906 936 944 990 1040 1062 1144 1170 1180 1208 1287 1298 1320 1359 1416 1430 1510 1534 1560 1584 1661 1716 1770 1812 1872 1947 1963 1980 2124 2145 2265 2288 2301 2340 2360 2416 2574 2596 2640 2655 2718 2832 2860 3020 3068 3120 3245 3322 3432 3540 3624 3835 3894 3926 3960 4248 4290 4530 4602 4680 4720 4983 5148 5192 5310 5436 5720 5841 5889 6040 6136 6435 6490 6644 6795 6864 6903 7080 7248 7670 7788 7852 7920 8305 8437 8496 8580 8909 9060 9204 9360 9735 9815 9966 10296 10384 10620 10872 11440 11505 11682 11778 12080 12272 12870 12980 13288 13590 13806 14160 14949 15340 15576 15704 16610 16874 17160 17667 17818 18120 18408 19470 19630 19932 20592 21240 21593 21744 22801 23010 23364 23556 24915 25311 25740 25960 26576 26727 27180 27612 29205 29445 29898 30680 31152 31408 33220 33748 34320 34515 35334 35636 36240 36816 38940 39260 39864 42185 42480 43186 44545 45602 46020 46728 47112 49830 50622 51480 51920 53454 54360 55224 58410 58890 59796 61360 64779 66440 67496 68403 69030 70668 71272 74745 75933 77880 78520 79728 80181 84370 86372 88335 89090 91204 92040 93456 94224 97999 99660 101244 102960 106908 107965 108720 110448 114005 115817 116820 117780 119592 126555 129558 132880 133635 134992 136806 138060 141336 142544 149490 151866 155760 157040 160362 168740 172744 176670 178180 182408 184080 194337 195998 199320 202488 205209 213816 215930 228010 231634 233640 235560 239184 250811 253110 259116 267270 273612 276120 282672 293997 296413 298980 303732 320724 323895 337480 342015 345488 347451 353340 356360 364816 379665 388674 391996 398640 400905 404976 410418 427632 431860 456020 463268 467280 471120 489995 501622 506220 518232 534540 547224 552240 579085 587994 592826 597960 607464 641448 647790 674960 684030 694902 706680 712720 752433 759330 777348 783992 801810 820836 863720 881991 889239 912040 926536 971685 979990 1003244 1012440 1026045 1036464 1042353 1069080 1094448 1158170 1175988 1185652 1195920 1214928 1254055 1273987 1282896 1295580 1345259 1368060 1389804 1413360 1469985 1482065 1504866 1518660 1554696 1567984 1603620 1641672 1727440 1737255 1763982 1778478 1824080 1853072 1943370 1959980 2006488 2024880 2052090 2084706 2138160 2257299 2316340 2351976 2371304 2508110 2547974 2591160 2667717 2690518 2736120 2779608 2939970 2964130 3009732 3037320 3109392 3207240 3260543 3283344 3474510 3527964 3556956 3762165 3821961 3886740 3919960 4012976 4035777 4104180 4169412 4409955 4446195 4514598 4632680 4703952 4742608 5016220 5095948 5182320 5211765 5335434 5381036 5472240 5559216 5879940 5928260 6019464 6074640 6369935 6414480 6521086 6726295 6949020 7055928 7113912 7524330 7643922 7773480 7839920 8071554 8208360 8338824 8819910 8892390 9029196 9265360 9781629 10032440 10191896 10423530 10670868 10762072 11286495 11465883 11759880 11856520 12038928 12107331 12739870 13042172 13338585 13452590 13898040 14111856 14227824 14797849 15048660 15287844 15546960 16143108 16302715 16416720 16677648 17488367 17639820 17784780 18058392 19109805 19563258 20064880 20178885 20383792 20847060 21341736 21524144 22572990 22931766 23519760 23713040 24214662 25479740 26084344 26677170 26905180 27796080 29344887 29595698 30097320 30575688 32286216 32605430 34976734 35279640 35569560 36116784 38219610 39126516 40357770 41694120 42683472 44393547 45145980 45863532 48429324 48908145 50959480 52168688 52465101 53354340 53810360 57329415 58689774 59191396 60194640 60536655 61151376 64572432 65210860 69953468 70559280 71139120 73989245 76439220 78253032 80715540 83388240 87441835 88787094 90291960 91727064 96858648 97816290 101918960 104930202 106708680 107620720 114658830 117379548 118382792 121073310 130421720 133180641 139906936 146724435 147978490 152878440 156506064 157395303 161431080 174883670 177574188 180583920 183454128 192372037 193717296 195632580 209860404 213417360 221967735 229317660 234759096 236765584 242146620 260843440 262325505 266361282 279813872 293448870 295956980 305756880 314790606 322862160 349767340 355148376 384744074 391265160 419720808 443935470 458635320 469518192 484293240 524651010 532722564 577116111 586897740 591913960 629581212 665903205 699534680 710296752 769488148 782530320 786976515 839441616 887870940 917270640 961860185 968586480 1049302020 1065445128 1154232222 1173795480 1183827920 1259162424 1331806410 1399069360 1538976296 1573953030 1731348333 1775741880 1923720370 2098604040 2130890256 2308464444 2347590960 2518324848 2663612820 2885580555 3077952592 3147906060 3462696666 3551483760 3847440740 4197208080 4616928888 5327225640 5771161110 6295812120 6925393332 7694881480 8656741665 9233857776 10654451280 11542322220 12591624240 13850786664 15389762960 17313483330 23084644440 27701573328 34626966660 46169288880 69253933320 138507866640
• Sum of all divisors σ(n): 559443568320
• Sum of proper divisors (its aliquot sum) s(n): 420935701680
• 138507866640 is an abundant number, because the sum of its proper divisors (420935701680) is greater than itself. Its abundance is 282427835040

Bases of 138507866640

• Binary: 10000000111111101101100101001000010000₂
• Hexadecimal: 0x203FB65210
• Base-36: 1RMO09W0

Squares and roots of 138507866640

• 138507866640 squared (138507866640²) is 19184429121164024889600
• 138507866640 cubed (138507866640³) is 2657194350278719160974357522944000
• The square root of 138507866640 is 372166.4501805611
• The cube root of 138507866640 is 5173.9808071993

Scales and comparisons

• 138,507,866,640 seconds is equal to 4,404 years, 6 weeks, 2 days, 7 hours, 24 minutes.
• To count from 1 to 138,507,866,640 would take you about eight thousand, eight hundred 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 138507866640 cubic inches would be around 431.2 feet tall.

Recreational maths with 138507866640

• 138507866640 backwards is 046668705831
• The number of decimal digits it has is: 12
• The sum of 138507866640's digits is 54
• More coming soon!