138947448780

Names of 138947448780

• Cardinal: 138947448780 can be written as One hundred thirty-eight billion, nine hundred forty-seven million, four hundred forty-eight thousand, seven hundred eighty.

Scientific notation

• Scientific notation: 1.3894744878 × 10¹¹

Factors of 138947448780

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 204

Divisors of 138947448780

• Number of divisors d(n): 972
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 17 18 19 20 21 28 30 34 35 36 38 42 45 49 51 57 60 63 68 70 76 84 85 90 95 98 102 105 114 119 126 133 140 147 151 153 170 171 180 190 196 204 210 228 238 245 252 255 266 285 289 294 302 306 315 323 340 342 357 361 380 399 420 441 453 476 490 510 532 570 578 588 595 604 612 630 646 665 684 714 722 735 755 765 798 833 855 867 882 906 931 969 980 1020 1057 1071 1083 1140 1156 1190 1197 1260 1292 1330 1359 1428 1444 1445 1470 1510 1530 1596 1615 1666 1710 1734 1764 1785 1805 1812 1862 1938 1995 2023 2114 2142 2166 2205 2261 2265 2380 2394 2499 2527 2567 2601 2660 2718 2793 2869 2890 2907 2940 3020 3060 3171 3230 3249 3332 3420 3468 3570 3610 3724 3876 3990 4046 4165 4228 4284 4332 4335 4410 4522 4530 4655 4788 4845 4998 5054 5134 5202 5285 5355 5415 5436 5491 5586 5738 5780 5814 5985 6069 6137 6342 6460 6498 6783 6795 7140 7220 7399 7497 7581 7701 7980 8092 8330 8379 8607 8670 8820 9044 9060 9310 9513 9690 9996 10108 10115 10268 10404 10570 10710 10830 10982 11172 11305 11476 11628 11970 12138 12274 12495 12635 12684 12835 12996 13005 13566 13590 13965 14161 14345 14535 14798 14994 15162 15402 15827 15855 16245 16473 16660 16758 17214 17340 17689 17969 18207 18411 18620 19026 19380 20083 20230 20349 21140 21420 21660 21964 22197 22610 22743 23103 23940 24276 24548 24990 25270 25670 25821 26010 27132 27180 27455 27930 28322 28690 29070 29596 29988 30324 30345 30685 30804 31654 31710 32490 32946 33516 33915 34428 35378 35938 36414 36822 36995 37485 37905 38052 38437 38505 40166 40460 40698 41895 42483 42959 43035 43639 44394 45220 45486 46206 47481 47565 48773 49419 49980 50540 51340 51642 52020 53067 53907 54511 54910 55233 55860 56644 57380 58140 60249 60690 61370 63308 63420 64980 65892 66591 67830 70756 70805 71876 72828 73644 73990 74970 75810 76874 77010 79135 80332 81396 82365 83790 84966 85918 86070 87278 88445 88788 89845 90972 91035 92055 92412 94962 95130 97546 98838 100415 101745 103284 104329 106134 107814 109022 109820 110466 110985 113715 115311 115515 120498 121380 122740 125783 127449 128877 129105 130917 133182 135660 140581 141610 142443 146319 147980 149940 151620 153748 154020 158270 159201 161721 163533 164730 167580 169932 171836 172140 174556 176890 179690 180747 182070 184110 189924 190260 192185 195092 197676 200830 203490 208658 212268 212415 214795 215628 218044 218195 220932 221970 227430 230622 231030 237405 240996 243865 247095 251566 254898 257754 258210 261834 265335 266364 269059 269535 272555 276165 281162 283220 284886 292638 300713 301245 305473 312987 316540 318402 323442 327066 329460 332955 341411 345933 353780 359380 361494 364140 368220 377349 381577 384370 386631 392751 401660 406980 417316 421743 424830 429590 436390 438957 443940 454860 461244 462060 474810 487730 490599 494190 503132 509796 515508 516420 521645 523668 530670 538118 539070 545110 552330 562324 569772 576555 585276 601426 602490 610946 625974 628915 636804 637245 644385 646884 654132 654585 665910 682822 691866 702905 712215 722988 730303 731595 754698 763154 768740 773262 785502 796005 807177 808605 817665 829141 843486 849660 859180 872780 877914 902139 903735 916419 926687 938961 949620 975460 981198 988380 1024233 1043290 1061340 1076236 1078140 1090220 1104660 1132047 1144731 1153110 1202852 1204980 1221892 1251948 1257830 1265229 1274490 1288770 1309170 1331820 1345295 1365644 1383732 1405810 1424430 1460606 1463190 1503565 1509396 1526308 1527365 1546524 1564935 1571004 1592010 1614354 1617210 1635330 1658282 1686972 1707055 1729665 1755828 1804278 1807470 1832838 1853374 1877922 1886745 1907885 1933155 1962396 1963755 2048466 2086580 2108715 2138311 2190909 2194785 2264094 2289462 2306220 2389877 2421531 2452995 2487423 2515660 2530458 2548980 2577540 2618340 2671039 2690590 2706417 2749257 2780061 2811620 2848860 2921212 2926380 3007130 3054730 3072699 3129870 3184020 3228708 3234420 3270660 3316564 3414110 3434193 3459330 3608556 3614940 3651515 3665676 3706748 3755844 3773490 3815770 3866310 3927510 4035885 4096932 4145705 4217430 4276622 4381818 4389570 4510695 4528188 4578924 4582095 4633435 4694805 4779754 4843062 4905990 4974846 5060916 5112121 5121165 5342078 5381180 5412834 5498514 5560122 5660235 5723655 5803987 6014260 6109460 6145398 6259740 6326145 6414933 6486809 6572727 6828220 6868386 6918660 7169631 7303030 7462269 7546980 7631540 7732620 7855020 8013117 8071770 8291410 8340183 8434860 8553244 8763636 8779140 9021390 9164190 9266870 9389610 9559508 9686124 9811980 9949692 10224242 10242330 10684156 10691555 10825668 10954545 10997028 11120244 11320470 11447310 11607974 11949385 12107655 12290796 12437115 12652290 12829866 12973618 13145454 13355195 13532085 13736772 13746285 13900305 14339262 14606060 14924538 15336363 15363495 15753679 16026234 16143540 16582820 16680366 17170965 17411961 18042780 18328380 18533740 18779220 19244799 19460427 20448484 20484660 21383110 21508893 21909090 22640940 22894620 23215948 23898770 24039351 24215310 24874230 25304580 25560605 25659732 25947236 26290908 26710390 27064170 27492570 27800610 28678524 29019935 29849076 30672726 30726990 31507358 32052468 32074665 32434045 32863635 33360732 34341930 34823922 35848155 37311345 38489598 38920854 40065585 40627909 41700915 42766220 43017786 43818180 45407663 46009089 47261037 47797540 48078702 48430620 49748460 51121210 52235883 53420780 54128340 54985140 55601220 58039870 58381281 61345452 61453980 63014716 64149330 64868090 65727270 68683860 69647844 71696310 74622690 76681815 76979196 77841708 78768395 80131170 81255818 83401830 86035572 87059805 90815326 92018178 94522074 96157404 96223995 97302135 102242420 104471766 107544465 110275753 116079740 116762562 120196755 121883727 128298660 129736180 131454540 136222989 141783111 143392620 149245380 153363630 157536790 160262340 162511636 166803660 174119610 181630652 184036356 189044148 192447990 194604270 203139545 208943532 215088930 220551506 227038315 230045445 233525124 236305185 240393510 243767454 261179415 272445978 283566222 291906405 306727260 315073580 330827259 348239220 365651181 384895980 389208540 406279090 408668967 430177860 441103012 454076630 460090890 472610370 480787020 487534908 522358830 544891956 551378765 567132444 583812810 609418635 661654518 681114945 708915555 731302362 771930271 812558180 817337934 908153260 920181780 945220740 992481777 1044717660 1102757530 1167625620 1218837270 1323309036 1362229890 1417831110 1462604724 1543860542 1634675868 1654136295 1828255905 1984963554 2043344835 2205515060 2315790813 2437674540 2724459780 2835662220 3087721084 3308272590 3656511810 3859651355 3969927108 4086689670 4631581626 4962408885 6616545180 6947372439 7313023620 7719302710 8173379340 9263163252 9924817770 11578954065 13894744878 15438605420 19849635540 23157908130 27789489756 34736862195 46315816260 69473724390 138947448780
• Sum of all divisors σ(n): 553317540048
• Sum of proper divisors (its aliquot sum) s(n): 414370091268
• 138947448780 is an abundant number, because the sum of its proper divisors (414370091268) is greater than itself. Its abundance is 275422642488

Bases of 138947448780

• Binary: 10000001011001111010011100111111001100₂
• Hexadecimal: 0x2059E9CFCC
• Base-36: 1RTXQ1N0

Squares and roots of 138947448780

• 138947448780 squared (138947448780²) is 19306393522470723488400
• 138947448780 cubed (138947448780³) is 2682574125090024630954001924152000
• The square root of 138947448780 is 372756.5543085729
• The cube root of 138947448780 is 5179.4485777765

Scales and comparisons

• 138,947,448,780 seconds is equal to 4,418 years, 5 weeks, 1 day, 1 hour, 33 minutes.
• To count from 1 to 138,947,448,780 would take you about eight thousand, eight hundred thirty-six 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 138947448780 cubic inches would be around 431.6 feet tall.

Recreational maths with 138947448780

• 138947448780 backwards is 087844749831
• 138947448780 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138947448780's digits is 63
• More coming soon!