138897944640

Names of 138897944640

• Cardinal: 138897944640 can be written as One hundred thirty-eight billion, eight hundred ninety-seven million, nine hundred forty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3889794464 × 10¹¹

Factors of 138897944640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 757

Divisors of 138897944640

• Number of divisors d(n): 1008
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 32 35 36 39 40 42 45 48 52 54 56 60 63 64 65 70 72 78 80 81 84 90 91 96 104 105 108 112 117 120 126 130 135 140 144 156 160 162 168 180 182 189 192 195 208 210 216 224 234 240 243 252 260 270 273 280 288 312 315 320 324 336 351 360 364 378 390 405 416 420 432 448 455 468 480 486 504 520 540 546 560 567 576 585 624 630 648 672 702 720 727 728 729 756 780 810 819 832 840 864 910 936 945 960 972 1008 1040 1053 1080 1092 1120 1134 1170 1215 1248 1260 1296 1344 1365 1404 1440 1454 1456 1458 1512 1560 1620 1638 1680 1701 1728 1755 1820 1872 1890 1944 2016 2080 2106 2160 2181 2184 2187 2240 2268 2340 2430 2457 2496 2520 2592 2730 2808 2835 2880 2908 2912 2916 3024 3120 3159 3240 3276 3360 3402 3510 3635 3640 3645 3744 3780 3888 4032 4095 4160 4212 4320 4362 4368 4374 4536 4680 4860 4914 5040 5089 5103 5184 5265 5460 5616 5670 5816 5824 5832 6048 6240 6318 6480 6543 6552 6561 6720 6804 7020 7270 7280 7290 7371 7488 7560 7776 8190 8424 8505 8640 8724 8736 8748 9072 9360 9451 9477 9720 9828 10080 10178 10206 10530 10905 10920 10935 11232 11340 11632 11664 12096 12285 12480 12636 12960 13086 13104 13122 13608 14040 14540 14560 14580 14742 15120 15267 15309 15552 15795 16380 16848 17010 17448 17472 17496 18144 18720 18902 18954 19440 19629 19656 20160 20356 20412 21060 21810 21840 21870 22113 22464 22680 23264 23328 24570 25272 25445 25515 25920 26172 26208 26244 27216 28080 28353 28431 29080 29120 29160 29484 30240 30534 30618 31590 32715 32760 32805 33696 34020 34896 34992 36288 36855 37440 37804 37908 38880 39258 39312 40712 40824 42120 43620 43680 43740 44226 45360 45801 45927 46528 46656 47255 47385 49140 50544 50890 51030 52344 52416 52488 54432 56160 56706 56862 58160 58320 58887 58968 60480 61068 61236 63180 65430 65520 65610 66157 66339 67392 68040 69792 69984 73710 75608 75816 76335 76545 77760 78516 78624 81424 81648 84240 85059 85293 87240 87360 87480 88452 90720 91602 91854 94510 94770 98145 98280 101088 101780 102060 104688 104976 108864 110565 112320 113412 113724 116320 116640 117774 117936 122136 122472 126360 130860 131040 131220 132314 132678 136080 137403 139584 139968 141765 142155 147420 151216 151632 152670 153090 157032 157248 162848 163296 168480 170118 170586 174480 174960 176661 176904 181440 183204 183708 189020 189540 196290 196560 198471 199017 202176 203560 204120 209376 209952 221130 226824 227448 229005 229635 232640 233280 235548 235872 244272 244944 252720 255177 261720 262080 262440 264628 265356 272160 274806 283530 284310 294435 294840 302432 303264 305340 306180 314064 325696 326592 330785 331695 336960 340236 341172 348960 349920 353322 353808 366408 367416 378040 379080 392580 393120 396942 398034 407120 408240 412209 418752 419904 425295 426465 442260 453648 454896 458010 459270 471096 471744 488544 489888 505440 510354 523440 524880 529256 529983 530712 544320 549612 567060 568620 588870 589680 595413 597051 604864 606528 610680 612360 628128 661570 663390 680472 682344 687015 697920 699840 706644 707616 732816 734832 756080 758160 765531 785160 786240 793884 796068 814240 816480 824418 850590 852930 883305 884520 907296 909792 916020 918540 942192 977088 979776 992355 995085 1010880 1020708 1046880 1049760 1058512 1059966 1061424 1099224 1134120 1137240 1177740 1179360 1190826 1194102 1221360 1224720 1236627 1256256 1275885 1323140 1326780 1360944 1364688 1374030 1413288 1415232 1465632 1469664 1512160 1516320 1531062 1570320 1587768 1589949 1592136 1628480 1632960 1648836 1701180 1705860 1766610 1769040 1786239 1814592 1819584 1832040 1837080 1884384 1984710 1990170 2041416 2061045 2093760 2099520 2117024 2119932 2122848 2198448 2268240 2274480 2296593 2355480 2358720 2381652 2388204 2442720 2449440 2473254 2551770 2646280 2649915 2653560 2721888 2729376 2748060 2826576 2931264 2939328 2977065 2985255 3024320 3032640 3062124 3140640 3175536 3179898 3184272 3297672 3402360 3411720 3533220 3538080 3572478 3664080 3674160 3709881 3768768 3827655 3969420 3980340 4082832 4122090 4234048 4239864 4245696 4396896 4536480 4548960 4593186 4710960 4763304 4769847 4776408 4885440 4898880 4946508 5103540 5292560 5299830 5307120 5358717 5443776 5458752 5496120 5653152 5954130 5970510 6124248 6183135 6281280 6351072 6359796 6368544 6595344 6804720 6823440 6889779 7066440 7076160 7144956 7328160 7348320 7419762 7655310 7938840 7949745 7960680 8165664 8244180 8479728 8793792 8931195 9072960 9097920 9186372 9421920 9526608 9539694 9552816 9893016 10207080 10585120 10599660 10614240 10717434 10992240 11129643 11306304 11482965 11908260 11941020 12248496 12366270 12702144 12719592 12737088 13190688 13609440 13646880 13779558 14132880 14289912 14656320 14696640 14839524 15310620 15877680 15899490 15921360 16076151 16331328 16488360 16959456 17862390 18372744 18549405 18843840 19053216 19079388 19105632 19786032 20414160 20669337 21170240 21199320 21228480 21434868 21984480 22259286 22965930 23816520 23849235 23882040 24496992 24732540 25439184 26381376 26793585 27218880 27293760 27559116 28265760 28579824 29679048 30621240 31755360 31798980 31842720 32152302 32976720 33388929 33918912 34448895 35724780 36745488 37098810 38106432 38158776 38211264 39572064 40828320 41338674 42398640 42869736 43968960 44518572 45931860 47633040 47698470 47764080 48228453 48993984 49465080 50878368 53587170 55118232 55648215 56531520 57159648 59358096 61242480 62008011 63510720 63597960 63685440 64304604 65953440 66777858 68897790 71449560 73490976 74197620 76317552 79144128 80380755 81656640 82677348 84797280 85739472 89037144 91863720 95266080 95396940 95528160 96456906 98930160 101756736 103346685 107174340 110236464 111296430 114319296 118716192 122484960 124016022 127195920 128609208 131906880 133555716 137795580 142899120 144685359 146981952 148395240 152635104 160761510 165354696 166944645 169594560 171478944 178074288 183727440 190532160 190793880 191056320 192913812 197860320 206693370 214348680 220472928 222592860 237432384 241142265 244969920 248032044 254391840 257218416 267111432 275591160 285798240 289370718 296790480 305270208 310040055 321523020 330709392 333889290 342957888 356148576 367454880 381587760 385827624 395720640 413386740 428697360 434056077 440945856 445185720 482284530 496064088 508783680 514436832 534222864 551182320 571596480 578741436 593580960 620080110 643046040 661418784 667778580 712297152 723426795 734909760 763175520 771655248 826773480 857394720 868112154 890371440 964569060 992128176 1028873664 1068445728 1102364640 1157482872 1187161920 1240160220 1286092080 1322837568 1335557160 1446853590 1526351040 1543310496 1653546960 1714789440 1736224308 1780742880 1929138120 1984256352 2136891456 2170280385 2204729280 2314965744 2480320440 2572184160 2671114320 2893707180 3086620992 3307093920 3472448616 3561485760 3858276240 3968512704 4340560770 4629931488 4960640880 5144368320 5342228640 5787414360 6614187840 6944897232 7716552480 8681121540 9259862976 9921281760 10684457280 11574828720 13889794464 15433104960 17362243080 19842563520 23149657440 27779588928 34724486160 46299314880 69448972320 138897944640
• Sum of all divisors σ(n): 611425581312
• Sum of proper divisors (its aliquot sum) s(n): 472527636672
• 138897944640 is an abundant number, because the sum of its proper divisors (472527636672) is greater than itself. Its abundance is 333629692032

Bases of 138897944640

• Binary: 10000001010110111101100111000001000000₂
• Hexadecimal: 0x2056F67040
• Base-36: 1RT49000

Squares and roots of 138897944640

• 138897944640 squared (138897944640²) is 19292639025216504729600
• 138897944640 cubed (138897944640³) is 2679707907284025637946278969344000
• The square root of 138897944640 is 372690.1456169723
• The cube root of 138897944640 is 5178.8333941071

Scales and comparisons

• 138,897,944,640 seconds is equal to 4,416 years, 27 weeks, 2 days, 2 hours, 24 minutes.
• To count from 1 to 138,897,944,640 would take you about eight thousand, eight hundred thirty-three 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 138897944640 cubic inches would be around 431.6 feet tall.

Recreational maths with 138897944640

• 138897944640 backwards is 046449798831
• 138897944640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138897944640's digits is 63
• More coming soon!