138642240912

Names of 138642240912

• Cardinal: 138642240912 can be written as One hundred thirty-eight billion, six hundred forty-two million, two hundred forty thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.38642240912 × 10¹¹

Factors of 138642240912

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 108

Divisors of 138642240912

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 19 21 24 28 29 31 34 38 42 48 49 51 56 57 58 62 68 76 84 87 93 98 102 112 114 116 119 124 133 136 147 152 168 174 186 196 203 204 217 228 232 238 248 266 272 294 304 323 336 343 348 357 372 392 399 406 408 434 456 464 476 493 496 527 532 551 588 589 609 646 651 686 696 714 744 784 798 812 816 833 841 868 899 912 931 952 969 986 1029 1054 1064 1102 1176 1178 1218 1292 1302 1372 1392 1421 1428 1479 1488 1519 1581 1596 1624 1653 1666 1682 1736 1767 1798 1862 1904 1938 1972 2058 2108 2128 2204 2261 2352 2356 2436 2499 2523 2584 2604 2697 2744 2793 2842 2856 2958 3038 3162 3192 3248 3306 3332 3364 3451 3472 3534 3596 3689 3724 3857 3876 3944 4116 4123 4216 4263 4408 4522 4557 4712 4872 4998 5046 5168 5208 5394 5488 5586 5684 5712 5831 5887 5916 6076 6293 6324 6384 6517 6612 6664 6728 6783 6902 7068 7192 7378 7448 7714 7752 7888 8232 8246 8432 8526 8816 9044 9114 9367 9424 9744 9947 9996 10013 10092 10353 10416 10633 10788 11067 11172 11368 11571 11662 11774 11832 12152 12369 12586 12648 13034 13224 13328 13456 13566 13804 14136 14297 14384 14756 14896 15283 15428 15504 15827 15979 16464 16492 17052 17081 17493 17661 18088 18228 18734 18879 19551 19894 19992 20026 20184 20706 21266 21576 22134 22344 22736 23142 23324 23548 23664 24157 24304 24738 25172 25296 25823 26068 26071 26448 26999 27132 27608 28101 28272 28594 28861 29512 29841 30039 30566 30856 31654 31899 31958 32984 34104 34162 34986 35322 36176 36456 37468 37758 39102 39788 39984 40052 40368 41209 41412 42532 42891 43152 44051 44268 44688 45849 46284 46648 47096 47481 47937 48314 49476 50344 51243 51646 52136 52142 53998 54264 55216 56202 57188 57722 59024 59682 60078 61132 61712 63308 63798 63916 65569 65968 68208 68324 69972 70091 70644 72471 72912 74936 75516 77469 78204 78213 79576 80104 80997 82418 82824 85064 85782 86583 88102 88536 91698 92568 93296 94192 94962 95874 96628 98952 100079 100688 102486 103292 104272 104284 106981 107996 108528 110789 111853 112404 114376 115444 119364 119567 120156 122264 123627 126616 127596 127832 131138 132153 136648 139944 140182 141288 144942 149872 151032 154938 156408 156426 159152 160208 161994 164836 165648 169099 170128 171564 173166 176204 177072 180761 182497 183396 185136 188993 189924 191748 193256 196707 197904 200158 202027 204972 206584 208568 210273 213962 215992 221578 223706 224808 228752 230888 238728 239134 240312 244528 247254 253232 255192 255664 262276 264306 271643 273296 279888 280364 282576 288463 289884 290377 300237 302064 308357 309876 312816 312852 320943 323988 329672 332367 335559 338198 343128 346332 352408 358701 361522 364994 366792 377986 379848 383496 386512 393414 400316 404054 409944 413168 417136 420546 427924 431984 443156 443207 447412 449616 458983 461776 477456 478268 480624 490637 494508 495349 507297 510384 524552 528612 542283 543286 547491 560728 566979 576926 579768 580754 600474 606081 616714 619752 625704 641886 647976 659344 664734 671118 676396 686256 692664 700553 704816 717402 723044 729988 733584 748867 755972 759696 766992 782971 786828 800632 808108 814929 819888 836969 841092 855848 865389 871131 886312 886414 894824 917966 925071 956536 981274 989016 990698 1014594 1049104 1057224 1084566 1086572 1094982 1121456 1133958 1153852 1159536 1161508 1200948 1212162 1233428 1239504 1251408 1277479 1283772 1295952 1329468 1329621 1342236 1352792 1376949 1385328 1401106 1434804 1446088 1459976 1471911 1486047 1497734 1511944 1565942 1573656 1601264 1616216 1629858 1673938 1682184 1711696 1730778 1742262 1772624 1772828 1789648 1835932 1850142 1901501 1913072 1962548 1978032 1981396 2029188 2032639 2101659 2114448 2169132 2173144 2189964 2246601 2267916 2307704 2323016 2348913 2401896 2424324 2466856 2510907 2554958 2567544 2658936 2659242 2684472 2705584 2753898 2802212 2869608 2892176 2919952 2943822 2972094 2995468 3023888 3102449 3131884 3147312 3212881 3232432 3259716 3347876 3364368 3434459 3461556 3467443 3484524 3545656 3671864 3700284 3803002 3832437 3925096 3962792 4058376 4065278 4203318 4338264 4346288 4379928 4493202 4535832 4615408 4646032 4697826 4803792 4848648 4903871 4933712 5021814 5109916 5135088 5242069 5317872 5318484 5368944 5480797 5507796 5604424 5704503 5739216 5858783 5887644 5944188 5990936 6097917 6204898 6263768 6425762 6519432 6695752 6868918 6923112 6934886 6969048 7091312 7343728 7400568 7606004 7664874 7850192 7925584 8116752 8130556 8406636 8420933 8676528 8759856 8942353 8986404 9071664 9307347 9395652 9638643 9697296 9807742 10043628 10219832 10303377 10402329 10484138 10636968 10961594 11015592 11208848 11409006 11717566 11775288 11888376 11981872 12195834 12409796 12527536 12851524 13038864 13310507 13391504 13737836 13846224 13869772 13938096 14228473 14711613 14801136 15212008 15329748 15726207 16261112 16442391 16813272 16841866 17576349 17884706 17972808 18614694 18791304 19277286 19615484 20087256 20439664 20606754 20804658 20968276 21273936 21717143 21923188 22031184 22818012 23435132 23550576 23776752 24272101 24391668 24819592 25262799 25703048 26621014 26827059 27475672 27739544 28456946 29423226 30424016 30659496 31452414 32522224 32884782 33626544 33683732 35152698 35769412 35945616 37229388 37582608 38554572 39230968 39931521 40174512 41213508 41609316 41936552 42685419 43434286 43846376 45636024 46870264 48544202 48783336 49639184 50525598 51406096 53242028 53654118 54951344 55479088 56913892 58846452 58946531 61318992 62904828 65151429 65769564 67367464 70305396 71538824 72816303 74458776 77109144 78461936 79863042 82427016 83218632 83873104 85370838 86868572 87692752 91272048 93173549 93740528 97088404 97566672 99599311 101051196 106484056 107308236 113827784 117692904 117893062 125809656 130302858 131539128 134734928 140610792 143077648 145632606 148917552 152020001 154218288 159726084 164854032 166437264 169904707 170741676 173737144 176839593 186347098 194176808 199198622 202102392 212968112 214616472 227655568 235385808 235786124 251619312 260605716 263078256 279520647 281221584 291265212 298797933 304040002 319452168 339809414 341483352 347474288 353679186 372694196 388353616 398397244 404204784 412625717 429232944 456060003 471572248 509714121 521211432 559041294 582530424 597595866 608080004 638904336 679618828 682966704 707358372 745388392 796794488 825251434 912120006 943144496 1019428242 1042422864 1118082588 1165060848 1195191732 1216160008 1237877151 1359237656 1414716744 1490776784 1593588976 1650502868 1824240012 2038856484 2236165176 2390383464 2432320016 2475754302 2718475312 2829433488 2888380019 3301005736 3648480024 4077712968 4472330352 4780766928 4951508604 5776760038 6602011472 7296960048 8155425936 8665140057 9903017208 11553520076 17330280114 19806034416 23107040152 34660560228 46214080304 69321120456 138642240912
• Sum of all divisors σ(n): 497682432000
• Sum of proper divisors (its aliquot sum) s(n): 359040191088
• 138642240912 is an abundant number, because the sum of its proper divisors (359040191088) is greater than itself. Its abundance is 220397950176

Bases of 138642240912

• Binary: 10000001000111101110001011010110010000₂
• Hexadecimal: 0x2047B8B590
• Base-36: 1ROW0DQO

Squares and roots of 138642240912

• 138642240912 squared (138642240912²) is 19221670965101046591744
• 138642240912 cubed (138642240912³) is 2664935536674734845995908158230528
• The square root of 138642240912 is 372346.9362194351
• The cube root of 138642240912 is 5175.6534563385

Scales and comparisons

• 138,642,240,912 seconds is equal to 4,408 years, 20 weeks, 3 days, 13 hours, 35 minutes, 12 seconds.
• To count from 1 to 138,642,240,912 would take you about eight thousand, eight hundred sixteen 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 138642240912 cubic inches would be around 431.3 feet tall.

Recreational maths with 138642240912

• 138642240912 backwards is 219042246831
• 138642240912 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138642240912's digits is 42
• More coming soon!