138156538212

Names of 138156538212

• Cardinal: 138156538212 can be written as One hundred thirty-eight billion, one hundred fifty-six million, five hundred thirty-eight thousand, two hundred twelve.

Scientific notation

• Scientific notation: 1.38156538212 × 10¹¹

Factors of 138156538212

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 205

Divisors of 138156538212

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 19 21 22 28 33 36 38 42 44 49 57 63 66 76 77 84 98 99 114 121 126 132 133 147 154 163 171 196 198 209 228 231 242 252 266 294 308 326 342 361 363 396 399 418 441 462 484 489 532 539 588 627 652 684 693 722 726 798 836 847 882 924 931 978 1078 1083 1089 1141 1197 1254 1331 1386 1444 1452 1463 1467 1596 1617 1694 1764 1793 1862 1881 1956 2156 2166 2178 2282 2299 2394 2508 2527 2541 2662 2772 2793 2926 2934 3097 3234 3249 3388 3423 3586 3724 3762 3971 3993 4332 4356 4389 4564 4598 4788 4851 5054 5082 5324 5379 5586 5852 5868 5929 6194 6468 6498 6846 6897 7172 7524 7581 7623 7942 7986 7987 8379 8778 9196 9291 9317 9702 10108 10164 10241 10269 10758 11172 11858 11913 11979 12388 12551 12996 13167 13692 13794 15162 15246 15884 15972 15974 16093 16137 16758 17556 17689 17787 18582 18634 19404 19723 20482 20538 20691 21516 21679 22743 23716 23826 23958 23961 25102 25289 26334 27588 27797 27873 27951 30324 30492 30723 31948 32186 32274 33516 34067 35378 35574 35739 37164 37268 37653 39446 40964 41076 41382 43358 43681 45486 47652 47916 47922 48279 50204 50578 52668 53067 53361 55594 55746 55902 58843 59169 61446 64372 64548 65037 65219 68134 70756 71148 71478 71883 75306 75867 78892 82764 83391 83853 86716 87362 87857 90972 92169 95844 96558 101156 102201 106134 106722 111188 111492 111804 112651 112959 117686 118338 122892 130074 130438 131043 136268 138061 142956 143766 144837 150612 151734 151753 159201 166782 167706 174724 175714 176529 177023 177507 184338 193116 194579 195111 195657 204402 212268 213444 216953 225302 225918 227601 235372 236676 238469 250173 260148 260876 262086 263571 276122 287532 289674 303468 303506 305767 306603 318402 333564 335412 337953 351428 353058 354046 355014 368676 374737 389158 390222 391314 393129 408804 411901 414183 433906 450604 451836 455202 455259 476938 480491 500346 524172 527142 529587 531069 552244 579348 583737 586971 607012 611534 613206 636804 647273 650859 675906 706116 708092 710028 715407 749474 778316 780444 782628 786258 790713 823802 828366 867812 910404 910518 917301 953876 960982 966427 1000692 1013859 1054284 1059174 1062138 1124211 1167474 1173942 1223068 1226412 1235703 1239161 1242549 1294546 1301718 1351812 1365777 1430814 1441473 1498948 1518671 1572516 1581426 1593207 1647604 1656732 1669283 1751211 1821036 1834602 1921964 1932854 1941819 1952577 2027718 2118348 2124276 2140369 2146221 2248422 2334948 2347884 2471406 2478322 2485098 2589092 2603436 2623159 2731554 2751903 2861628 2882946 2883307 2899281 3037342 3162852 3186414 3338566 3363437 3372633 3502422 3669204 3707109 3717483 3865708 3883638 3905154 4055436 4122107 4280738 4292442 4324419 4496844 4530911 4556013 4942812 4956644 4970196 5007849 5246318 5463108 5503806 5765892 5766614 5798562 5825457 6074684 6372828 6421107 6677132 6726874 6745266 7004844 7120003 7414218 7434966 7767276 7810308 7869477 8244214 8561476 8584884 8648838 8649921 8697843 9061822 9112026 10015698 10090311 10492636 10630697 11007612 11152449 11533228 11597124 11650914 12366321 12842214 13453748 13490532 13592733 13668039 14240006 14828436 14869932 15023547 15738954 16488428 17297676 17299842 17395686 18123644 18224052 18362113 19263321 20031396 20180622 21261394 21360009 22304898 23301828 23544059 23608431 24732642 25684428 25949763 27185466 27336078 28480012 28854749 30047094 30270933 31477908 31716377 31892091 34599684 34791372 36724226 37098963 38526642 40361244 40778199 42522788 42720018 44609796 47088118 47216862 49465284 49840021 51899526 54370932 54672156 55086339 57709498 60094188 60541866 63432754 63784182 64080027 70632177 73448452 74197926 77053284 78320033 81556398 85440036 86564247 94176236 94433724 95149131 95676273 99680042 103799052 110172678 115418996 121083732 126865508 127568364 128160054 141264354 148395852 149520063 156640066 163112796 165259017 173128494 190298262 191352546 199360084 201983243 211896531 220345356 234960099 256320108 259692741 282528708 285447393 299040126 313280132 330518034 346256988 348880147 380596524 382705092 403966486 423793062 448560189 469920198 519385482 548240231 570894786 598080252 605949729 661036068 697760294 704880297 807932972 847586124 897120378 939840396 1038770964 1046640441 1096480462 1141789572 1211899458 1395520588 1409760594 1644720693 1794240756 1817849187 2093280882 2192960924 2423798916 2819521188 3139921323 3289441386 3635698374 3837681617 4186561764 4934162079 6279842646 6578882772 7271396748 7675363234 9868324158 11513044851 12559685292 15350726468 19736648316 23026089702 34539134553 46052179404 69078269106 138156538212
• Sum of all divisors σ(n): 474488999712
• Sum of proper divisors (its aliquot sum) s(n): 336332461500
• 138156538212 is an abundant number, because the sum of its proper divisors (336332461500) is greater than itself. Its abundance is 198175923288

Bases of 138156538212

• Binary: 10000000101010110001010111100101100100₂
• Hexadecimal: 0x202AC57964
• Base-36: 1RGUU350

Squares and roots of 138156538212

• 138156538212 squared (138156538212²) is 19087229050723816156944
• 138156538212 cubed (138156538212³) is 2637025489707521393145296725144128
• The square root of 138156538212 is 371694.1460555977
• The cube root of 138156538212 is 5169.6024622651

Scales and comparisons

• 138,156,538,212 seconds is equal to 4,392 years, 49 weeks, 3 days, 10 minutes, 12 seconds.
• To count from 1 to 138,156,538,212 would take you about eight thousand, seven hundred eighty-five 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 138156538212 cubic inches would be around 430.8 feet tall.

Recreational maths with 138156538212

• 138156538212 backwards is 212835651831
• The number of decimal digits it has is: 12
• The sum of 138156538212's digits is 45
• More coming soon!