138668170212

Names of 138668170212

• Cardinal: 138668170212 can be written as One hundred thirty-eight billion, six hundred sixty-eight million, one hundred seventy thousand, two hundred twelve.

Scientific notation

• Scientific notation: 1.38668170212 × 10¹¹

Factors of 138668170212

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 236

Divisors of 138668170212

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 9 11 12 13 18 19 22 26 27 33 36 38 39 44 52 54 57 61 66 76 78 99 108 114 117 122 127 132 143 156 171 183 198 209 228 234 244 247 254 286 297 342 351 366 381 396 418 429 468 494 508 513 549 572 594 627 671 684 702 732 741 762 793 836 858 988 1026 1098 1143 1159 1188 1254 1287 1342 1397 1404 1482 1524 1586 1647 1651 1716 1881 2013 2052 2196 2223 2286 2318 2379 2413 2508 2574 2684 2717 2794 2964 3172 3294 3302 3429 3477 3721 3762 3861 4026 4191 4446 4572 4636 4758 4826 4953 5148 5434 5588 5643 6039 6588 6604 6669 6858 6954 7137 7239 7442 7524 7722 7747 8052 8151 8382 8723 8892 9516 9652 9906 10431 10868 11163 11286 12078 12573 12749 13338 13716 13908 14274 14478 14859 14884 15067 15444 15494 16302 16764 17446 18117 18161 19812 20862 21411 21717 22326 22572 23241 24156 24453 25146 25498 26169 26543 26676 28548 28956 29718 30134 30988 31293 31369 32604 33489 34892 36234 36322 37719 38247 40931 41724 42822 43434 44577 44652 45201 46482 48373 48906 50292 50996 52338 53086 54483 59436 60268 62586 62738 65151 66978 69723 70699 72468 72644 73359 75438 76494 78507 79629 81862 85217 85644 86868 89154 90402 92964 94107 96746 97812 100467 100711 104676 106172 108966 114741 122793 125172 125476 130302 133956 135603 139446 141398 145119 146718 147193 150876 152988 157014 159258 163449 163724 165737 170434 178308 180804 188214 193492 200934 201422 209169 212097 217932 229482 235521 238887 245586 255651 260604 271206 278892 282321 282796 290238 293436 294386 302133 314028 318516 326898 331474 340868 344223 345059 368379 376428 401868 402844 406809 418338 424194 435357 441579 458964 471042 472567 477774 490347 491172 497211 511302 532103 542412 564642 580476 588772 604266 636291 653796 662948 688446 690118 716661 736758 766953 777689 813618 836676 846963 848388 870714 883158 906399 919087 942084 945134 955548 980694 994422 1022604 1035177 1064206 1105137 1107821 1129284 1208532 1272582 1306071 1324737 1376892 1380236 1417701 1433322 1473516 1491633 1533906 1555378 1596309 1619123 1627236 1693926 1741428 1766316 1812798 1838174 1890268 1908873 1913509 1961388 1988844 2070354 2128412 2210274 2215642 2300859 2333067 2545164 2612142 2649474 2719197 2757261 2835402 2866644 2983266 3067812 3105531 3110756 3192618 3238246 3323463 3387852 3625596 3676348 3817746 3827018 3974211 4140708 4253103 4420548 4431284 4474899 4601718 4666134 4788927 4857369 5198237 5224284 5298948 5438394 5514522 5670804 5740527 5966532 6143371 6211062 6385236 6476492 6646926 6999201 7635492 7654036 7948422 8271783 8506206 8949798 8978773 9203436 9316593 9332268 9577854 9714738 9970389 10109957 10396474 10876788 11029044 11481054 12286742 12422124 12759309 13293852 13998402 14366781 14572107 15594711 15896844 16543566 17012412 17221581 17899596 17957546 18430113 18633186 19155708 19429476 19940778 20219914 20792948 20997603 21048599 22962108 24573484 24815349 25518618 26936319 27996804 28733562 29144214 29911167 30329871 31189422 33087132 34443162 35915092 36860226 37266372 39881556 40439828 41995206 42097198 43716321 46784133 49630698 51037236 51664743 53872638 55290339 57467124 58288428 59822334 60659742 62378844 63145797 67577081 68886324 73720452 80808957 83990412 84194396 87432642 90989613 93568266 98766503 99261396 103329486 107745276 110580678 116724049 119644668 121319484 126291594 135154162 140352399 161617914 165871017 174865284 181979226 187136532 189437391 197533006 202731243 206658972 221161356 233448098 242426871 252583188 270308324 272968839 280704798 296299509 323235828 331742034 350172147 363958452 378874782 395066012 405462486 466896196 484853742 545937678 561409596 568312173 592599018 608193729 663484068 700344294 757749564 810924972 888898527 969707484 1050516441 1091875356 1136624346 1185198036 1216387458 1283964539 1400688588 1777797054 1824581187 2101032882 2273248692 2432774916 2567929078 2666695581 3151549323 3555594108 3649162374 3851893617 4202065764 5135858156 5333391162 6303098646 7298324748 7703787234 10666782324 11555680851 12606197292 15407574468 23111361702 34667042553 46222723404 69334085106 138668170212
• Sum of all divisors σ(n): 455557939200
• Sum of proper divisors (its aliquot sum) s(n): 316889768988
• 138668170212 is an abundant number, because the sum of its proper divisors (316889768988) is greater than itself. Its abundance is 178221598776

Bases of 138668170212

• Binary: 10000001001001010001000101101111100100₂
• Hexadecimal: 0x2049445BE4
• Base-36: 1RPBG4X0

Squares and roots of 138668170212

• 138668170212 squared (138668170212²) is 19228861429944204124944
• 138668170212 cubed (138668170212³) is 2666431029750464611260607106968128
• The square root of 138668170212 is 372381.7533284895
• The cube root of 138668170212 is 5175.9760917895

Scales and comparisons

• 138,668,170,212 seconds is equal to 4,409 years, 11 weeks, 2 days, 16 hours, 10 minutes, 12 seconds.
• To count from 1 to 138,668,170,212 would take you about eight thousand, eight hundred eighteen 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 138668170212 cubic inches would be around 431.3 feet tall.

Recreational maths with 138668170212

• 138668170212 backwards is 212071866831
• The number of decimal digits it has is: 12
• The sum of 138668170212's digits is 45
• More coming soon!