138400284672

Names of 138400284672

• Cardinal: 138400284672 can be written as One hundred thirty-eight billion, four hundred million, two hundred eighty-four thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.38400284672 × 10¹¹

Factors of 138400284672

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 203

Divisors of 138400284672

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 17 18 24 26 31 32 34 36 39 48 51 52 62 64 68 72 78 93 96 102 104 117 124 128 136 137 144 153 156 186 192 204 208 221 234 248 256 272 274 279 288 306 312 372 384 403 408 411 416 442 468 496 512 527 544 548 558 576 612 624 663 744 768 806 816 822 832 884 936 992 1024 1054 1088 1096 1116 1152 1209 1224 1233 1248 1326 1488 1536 1581 1612 1632 1644 1664 1768 1781 1872 1984 1989 2048 2108 2176 2192 2232 2304 2329 2418 2448 2466 2496 2652 2976 3072 3162 3224 3264 3288 3328 3536 3562 3627 3744 3968 3978 4096 4216 4247 4352 4384 4464 4608 4658 4743 4836 4896 4932 4992 5304 5343 5952 6144 6324 6448 6528 6576 6656 6851 6987 7072 7124 7254 7488 7936 7956 8192 8432 8494 8704 8768 8928 9216 9316 9486 9672 9792 9864 9984 10608 10686 11904 12288 12648 12741 12896 13056 13152 13312 13702 13974 14144 14248 14508 14976 15872 15912 16029 16384 16864 16988 17408 17536 17856 18432 18632 18972 19344 19584 19728 19968 20553 20961 21216 21372 23808 24576 25296 25482 25792 26112 26304 26624 27404 27948 28288 28496 29016 29952 30277 31744 31824 32058 33728 33976 34816 35072 35712 36864 37264 37944 38223 38688 39168 39456 39936 41106 41922 42432 42744 47616 49152 50592 50964 51584 52224 52608 53248 54808 55211 55896 56576 56992 58032 59904 60554 61659 63488 63648 64116 67456 67952 69632 70144 71424 72199 73728 74528 75888 76446 77376 78336 78912 79872 82212 83844 84864 85488 90831 95232 101184 101928 103168 104448 105216 106496 109616 110422 111792 113152 113984 116064 119808 121108 123318 126976 127296 128232 134912 135904 139264 140288 142848 144398 147456 149056 151776 152892 154752 156672 157824 159744 164424 165633 167688 169728 170976 181662 190464 202368 203856 206336 208896 210432 212992 216597 219232 220844 223584 226304 227968 232128 239616 242216 246636 253952 254592 256464 269824 271808 272493 278528 280576 285696 288796 298112 303552 305784 309504 313344 315648 319488 328848 331266 335376 339456 341952 363324 380928 404736 407712 412672 417792 420864 433194 438464 441688 447168 452608 455936 464256 479232 484432 493272 496899 507904 509184 512928 539648 543616 544986 561152 571392 577592 596224 607104 611568 619008 626688 631296 638976 649791 657696 662532 670752 678912 683904 726648 761856 809472 815424 825344 835584 841728 866388 876928 883376 894336 905216 911872 928512 938587 958464 968864 986544 993798 1018368 1025856 1079296 1087232 1089972 1122304 1142784 1155184 1192448 1214208 1223136 1238016 1253376 1262592 1299582 1315392 1325064 1341504 1357824 1367808 1453296 1523712 1618944 1630848 1650688 1683456 1732776 1753856 1766752 1788672 1810432 1823744 1857024 1877174 1916928 1937728 1973088 1987596 2036736 2051712 2158592 2174464 2179944 2244608 2285568 2310368 2384896 2428416 2446272 2476032 2506752 2525184 2599164 2630784 2650128 2683008 2715648 2735616 2815761 2906592 3237888 3261696 3301376 3366912 3465552 3507712 3533504 3577344 3620864 3647488 3714048 3754348 3875456 3946176 3975192 4073472 4103424 4317184 4348928 4359888 4571136 4620736 4769792 4856832 4892544 4952064 5050368 5198328 5261568 5300256 5366016 5431296 5471232 5631522 5813184 6475776 6523392 6602752 6733824 6931104 7015424 7067008 7154688 7294976 7428096 7508696 7750912 7892352 7950384 8146944 8206848 8447283 8634368 8697856 8719776 9241472 9539584 9713664 9785088 9904128 10100736 10396656 10523136 10600512 10732032 10862592 10942464 11263044 11626368 12951552 13046784 13862208 14030848 14134016 14309376 14589952 14856192 15017392 15501824 15784704 15900768 16293888 16413696 16894566 17395712 17439552 18482944 19079168 19427328 19570176 19808256 20201472 20793312 21046272 21201024 21464064 21884928 22526088 23252736 25903104 26093568 27724416 28061696 28268032 28618752 29179904 29712384 30034784 31003648 31569408 31801536 32587776 32827392 33789132 34791424 34879104 36965888 38158336 38854656 39140352 41586624 42092544 42402048 42928128 43769856 45052176 46505472 52187136 55448832 56123392 56536064 57237504 59424768 60069568 62007296 63138816 63603072 65654784 67578264 69582848 69758208 73931776 77709312 78280704 83173248 84185088 84804096 85856256 87539712 90104352 93010944 104374272 110897664 112246784 113072128 114475008 120139136 124014592 126277632 127206144 131309568 135156528 139516416 147863552 156561408 166346496 168370176 169608192 171712512 180208704 186021888 208748544 221795328 226144256 240278272 248029184 252555264 254412288 262619136 270313056 279032832 295727104 313122816 332692992 336740352 339216384 343425024 360417408 372043776 443590656 452288512 480556544 496058368 505110528 508824576 540626112 558065664 591454208 626245632 665385984 678432768 720834816 744087552 887181312 904577024 961113088 1010221056 1017649152 1081252224 1116131328 1182908416 1330771968 1356865536 1441669632 1488175104 1774362624 1922226176 2035298304 2162504448 2232262656 2661543936 2713731072 2883339264 3548725248 3844452352 4070596608 4325008896 4464525312 5323087872 5766678528 7688904704 8141193216 8650017792 10646175744 11533357056 15377809408 17300035584 23066714112 34600071168 46133428224 69200142336 138400284672
• Sum of all divisors σ(n): 474034159872
• Sum of proper divisors (its aliquot sum) s(n): 335633875200
• 138400284672 is an abundant number, because the sum of its proper divisors (335633875200) is greater than itself. Its abundance is 197233590528

Bases of 138400284672

• Binary: 10000000111001010011001100000000000000₂
• Hexadecimal: 0x20394CC000
• Base-36: 1RKVYF40

Squares and roots of 138400284672

• 138400284672 squared (138400284672²) is 19154638797290638147584
• 138400284672 cubed (138400284672³) is 2651007462334360021946168349032448
• The square root of 138400284672 is 372021.8873561071
• The cube root of 138400284672 is 5172.6408803827

Scales and comparisons

• 138,400,284,672 seconds is equal to 4,400 years, 36 weeks, 3 days, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 138,400,284,672 would take you about eight thousand, eight hundred one 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 138400284672 cubic inches would be around 431.1 feet tall.

Recreational maths with 138400284672

• 138400284672 backwards is 276482004831
• The number of decimal digits it has is: 12
• The sum of 138400284672's digits is 45
• More coming soon!