138544938378

Names of 138544938378

• Cardinal: 138544938378 can be written as One hundred thirty-eight billion, five hundred forty-four million, nine hundred thirty-eight thousand, three hundred seventy-eight.

Scientific notation

• Scientific notation: 1.38544938378 × 10¹¹

Factors of 138544938378

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 140

Divisors of 138544938378

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 19 21 22 27 33 37 38 42 49 54 57 61 63 66 74 77 81 98 99 111 114 122 126 133 147 154 162 171 183 189 198 209 222 231 259 266 294 297 333 342 366 378 399 407 418 427 441 462 513 518 539 549 567 594 627 666 671 693 703 777 798 814 854 882 891 931 999 1026 1078 1098 1134 1159 1197 1221 1254 1281 1323 1342 1369 1386 1406 1463 1539 1554 1617 1647 1782 1813 1862 1881 1998 2013 2079 2109 2257 2318 2331 2394 2442 2562 2646 2738 2793 2849 2926 2989 2997 3078 3234 3294 3477 3591 3626 3663 3762 3843 3969 4026 4107 4158 4218 4389 4514 4662 4697 4851 4921 4941 5439 5586 5643 5698 5978 5994 6039 6237 6327 6771 6954 6993 7182 7326 7686 7733 7938 8113 8214 8379 8547 8778 8967 9394 9583 9702 9842 9882 10241 10431 10773 10878 10989 11286 11529 12078 12321 12474 12654 12749 13167 13542 13986 14091 14553 14763 15059 15466 15799 16226 16317 16758 16929 17094 17934 18117 18981 19166 19943 20313 20482 20862 20979 21546 21978 23058 23199 24339 24642 24827 25137 25498 25641 26011 26334 26901 28182 28749 29106 29526 30118 30723 31293 31598 32634 32879 32967 33858 34447 34587 36234 36963 37962 38247 39501 39886 40626 41958 42273 42883 43659 44289 45177 46398 47397 48678 48951 49654 50274 51282 52022 53802 54131 54351 56791 56943 57498 59829 60939 61446 62586 65758 65934 67081 68894 69174 69597 73017 73926 74481 75411 76494 76923 78033 79002 80703 83509 84546 85766 86247 87318 88578 89243 90354 92169 93879 94794 97902 98637 103341 105413 108262 108702 110593 110889 113582 113886 114741 118503 119658 121878 126819 128649 132867 134162 135531 139194 142191 146034 146853 148962 150822 153846 156066 161406 162393 167018 170373 172494 173789 178486 179487 182077 182817 184338 187758 197274 201243 206682 208791 210826 219051 221186 221778 223443 229482 230769 234099 237006 242109 250527 253638 257298 258741 265734 267729 271062 276507 284382 286121 293706 295911 300181 310023 316239 324786 331779 340746 344223 347578 358974 364154 365634 378917 380457 385947 398601 402486 406593 417582 426573 438102 446886 461538 468198 471713 484218 487179 501054 511119 517482 521367 535458 538461 546231 553014 572242 584563 591822 600362 603729 620046 624701 626373 632478 657153 663558 670329 688446 702297 737891 751581 757834 760914 771894 776223 797202 803187 813186 829521 853146 858363 887733 900543 918599 930069 943426 948717 974358 995337 1022238 1032669 1042734 1076922 1092462 1136751 1157841 1169126 1207458 1216523 1219779 1249402 1252746 1274539 1279719 1314306 1340658 1404594 1415139 1461537 1475782 1503162 1533357 1552446 1564101 1586671 1606374 1615383 1638693 1659042 1716726 1753689 1775466 1801086 1811187 1837198 1860138 1874103 1897434 1990674 2002847 2010987 2065338 2101267 2106891 2213673 2254743 2273502 2315682 2409561 2433046 2439558 2549078 2559438 2575089 2663199 2701629 2755797 2790207 2830278 2846151 2923074 2986011 3066714 3128202 3173342 3230766 3277386 3301991 3410253 3473523 3507378 3622374 3649569 3748206 3823617 4005694 4021974 4091941 4202534 4213782 4245417 4384611 4427346 4509486 4600071 4692303 4760013 4819122 4916079 5150178 5261067 5326398 5403258 5433561 5511594 5580414 5622309 5692302 5972022 6008541 6303801 6430193 6603982 6641019 6764229 6820506 6947046 7228683 7299138 7647234 7725267 8104887 8183882 8267391 8490834 8538453 8769222 8958033 9200142 9384606 9520026 9832158 9905973 10230759 10522134 10867122 10948707 11106697 11244618 11470851 12017082 12275823 12607602 12736251 12860386 13282038 13528458 14019929 14076909 14280039 14457366 14748237 15450534 15783201 16209774 16534782 16866927 17076906 17453381 17916066 18025623 18911403 19290579 19811946 19923057 20461518 21897414 22213394 22941702 23113937 23175801 24314661 24551646 24802173 25472502 28039858 28153818 28560078 29496474 29717919 30692277 31566402 32846121 33320091 33733854 34412553 34906762 36051246 36827469 37822806 38208753 38581158 39846114 42059787 42840117 45011351 46227874 46351602 47349603 48629322 49604346 50600781 52360143 54076869 56734209 57871737 59435838 59769171 61384554 65692242 66640182 68825106 69341811 73654938 74406519 76417506 77746879 84119574 85680234 89153757 90022702 94699206 98538363 99960273 101201562 103237659 104720286 108153738 110482407 113468418 115743474 119538342 122173667 126179361 128520351 135034053 138683622 148813038 155493758 157080429 162230607 170202627 173615211 178307514 197076726 199920546 206475318 208025433 220964814 233240637 244347334 252358722 257040702 267461271 270068106 299880819 314160858 324461214 331447221 340405254 347230422 366521001 378538083 405102159 416050866 466481274 471241287 520845633 534922542 599761638 624076299 662894442 699721911 733042002 757076166 810204318 855215669 899642457 942482574 1041691266 1099563003 1135614249 1215306477 1248152598 1399443822 1413723861 1710431338 1799284914 1872228897 2099165733 2199126006 2271228498 2430612954 2565647007 2827447722 3298689009 3645919431 3744457794 4198331466 5131294014 6297497199 6597378018 7291838862 7696941021 9896067027 12594994398 15393882042 19792134054 23090823063 46181646126 69272469189 138544938378
• Sum of all divisors σ(n): 433190086560
• Sum of proper divisors (its aliquot sum) s(n): 294645148182
• 138544938378 is an abundant number, because the sum of its proper divisors (294645148182) is greater than itself. Its abundance is 156100209804

Bases of 138544938378

• Binary: 10000001000001111010111111110110001010₂
• Hexadecimal: 0x2041EBFD8A
• Base-36: 1RNA2UMI

Squares and roots of 138544938378

• 138544938378 squared (138544938378²) is 19194699950163817270884
• 138544938378 cubed (138544938378³) is 2659328521779645734799875913586152
• The square root of 138544938378 is 372216.2521680105
• The cube root of 138544938378 is 5174.4423726817

Scales and comparisons

• 138,544,938,378 seconds is equal to 4,405 years, 15 weeks, 4 days, 9 hours, 6 minutes, 18 seconds.
• To count from 1 to 138,544,938,378 would take you about eight thousand, eight hundred ten 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 138544938378 cubic inches would be around 431.2 feet tall.

Recreational maths with 138544938378

• 138544938378 backwards is 873839445831
• 138544938378 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138544938378's digits is 63
• More coming soon!