138605395968

Names of 138605395968

• Cardinal: 138605395968 can be written as One hundred thirty-eight billion, six hundred five million, three hundred ninety-five thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38605395968 × 10¹¹

Factors of 138605395968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 121

Divisors of 138605395968

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 81 96 103 104 108 117 128 144 156 162 169 192 206 208 216 234 243 256 288 309 312 324 338 351 384 412 416 432 468 486 507 512 576 618 624 648 676 702 768 824 832 864 927 936 972 1014 1024 1053 1152 1236 1248 1296 1339 1352 1404 1521 1536 1648 1664 1728 1854 1872 1944 2028 2048 2106 2304 2472 2496 2592 2678 2704 2781 2808 3042 3072 3159 3296 3328 3456 3708 3744 3888 4017 4056 4096 4212 4563 4608 4944 4992 5184 5356 5408 5562 5616 6084 6144 6318 6592 6656 6912 7416 7488 7776 8034 8112 8192 8343 8424 9126 9216 9888 9984 10368 10712 10816 11124 11232 12051 12168 12288 12636 13184 13312 13689 13824 14832 14976 15552 16068 16224 16384 16686 16848 17407 18252 18432 19776 19968 20736 21424 21632 22248 22464 24102 24336 24576 25029 25272 26368 26624 27378 27648 29664 29952 31104 32136 32448 32768 33372 33696 34814 36153 36504 36864 39552 39936 41067 41472 42848 43264 44496 44928 48204 48672 49152 50058 50544 52221 52736 53248 54756 55296 59328 59904 62208 64272 64896 66744 67392 69628 72306 73008 73728 79104 79872 82134 82944 85696 86528 88992 89856 96408 97344 98304 100116 101088 104442 105472 106496 108459 109512 110592 118656 119808 124416 128544 129792 133488 134784 139256 144612 146016 147456 156663 158208 159744 164268 165888 171392 173056 177984 179712 192816 194688 200232 202176 208884 210944 212992 216918 219024 221184 237312 239616 248832 257088 259584 266976 269568 278512 289224 292032 294912 313326 316416 319488 325377 328536 331776 342784 346112 355968 359424 385632 389376 400464 404352 417768 421888 425984 433836 438048 442368 469989 474624 479232 497664 514176 519168 533952 539136 557024 578448 584064 626652 632832 638976 650754 657072 663552 685568 692224 711936 718848 771264 778752 800928 808704 835536 843776 867672 876096 884736 939978 949248 958464 995328 1028352 1038336 1067904 1078272 1114048 1156896 1168128 1253304 1265664 1277952 1301508 1314144 1327104 1371136 1384448 1409967 1423872 1437696 1542528 1557504 1601856 1617408 1671072 1687552 1735344 1752192 1879956 1898496 1916928 1990656 2056704 2076672 2135808 2156544 2228096 2313792 2336256 2506608 2531328 2603016 2628288 2654208 2742272 2768896 2819934 2847744 2875392 3085056 3115008 3203712 3234816 3342144 3375104 3470688 3504384 3759912 3796992 3833856 3981312 4113408 4153344 4229901 4271616 4313088 4456192 4627584 4672512 5013216 5062656 5206032 5256576 5484544 5537792 5639868 5695488 5750784 6170112 6230016 6407424 6469632 6684288 6941376 7008768 7519824 7593984 7962624 8226816 8306688 8459802 8543232 8626176 8912384 9255168 9345024 10026432 10125312 10412064 10513152 10969088 11279736 11390976 11501568 12340224 12460032 12814848 12939264 13368576 13882752 14017536 15039648 15187968 16453632 16613376 16919604 17086464 17252352 17824768 18510336 18690048 20052864 20824128 21026304 21938176 22559472 22781952 24680448 24920064 25629696 25878528 26737152 27765504 28035072 30079296 30375936 32907264 33839208 34172928 34504704 35649536 37020672 37380096 40105728 41648256 42052608 43876352 45118944 45563904 49360896 49840128 51259392 51757056 53474304 55531008 56070144 60158592 65814528 67678416 68345856 71299072 74041344 74760192 80211456 83296512 84105216 90237888 91127808 98721792 102518784 103514112 106948608 111062016 112140288 120317184 131629056 135356832 136691712 142598144 148082688 149520384 160422912 166593024 168210432 180475776 197443584 205037568 213897216 222124032 224280576 240634368 270713664 273383424 285196288 296165376 320845824 333186048 336420864 360951552 394887168 410075136 427794432 444248064 448561152 481268736 541427328 570392576 592330752 641691648 666372096 672841728 721903104 820150272 855588864 888496128 962537472 1082854656 1184661504 1283383296 1332744192 1345683456 1443806208 1711177728 1776992256 1925074944 2165709312 2566766592 2665488384 2887612416 3553984512 3850149888 4331418624 5133533184 5330976768 5775224832 7700299776 8662837248 10661953536 11550449664 15400599552 17325674496 23100899328 34651348992 46201798656 69302697984 138605395968
• Sum of all divisors σ(n): 454003411680
• Sum of proper divisors (its aliquot sum) s(n): 315398015712
• 138605395968 is an abundant number, because the sum of its proper divisors (315398015712) is greater than itself. Its abundance is 176792619744

Bases of 138605395968

• Binary: 10000001000101100001101000000000000000₂
• Hexadecimal: 0x2045868000
• Base-36: 1ROA2O00

Squares and roots of 138605395968

• 138605395968 squared (138605395968²) is 19211455791446070657024
• 138605395968 cubed (138605395968³) is 2662811437095109450734517440479232
• The square root of 138605395968 is 372297.4563007381
• The cube root of 138605395968 is 5175.1949295193

Scales and comparisons

• 138,605,395,968 seconds is equal to 4,407 years, 11 weeks, 4 days, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 138,605,395,968 would take you about eight thousand, eight hundred fourteen 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 138605395968 cubic inches would be around 431.3 feet tall.

Recreational maths with 138605395968

• 138605395968 backwards is 869593506831
• The number of decimal digits it has is: 12
• The sum of 138605395968's digits is 63
• More coming soon!