138385545984

Names of 138385545984

• Cardinal: 138385545984 can be written as One hundred thirty-eight billion, three hundred eighty-five million, five hundred forty-five thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.38385545984 × 10¹¹

Factors of 138385545984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1338

Divisors of 138385545984

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 84 96 98 108 112 126 128 144 147 168 189 192 196 216 224 252 256 288 294 336 378 384 392 432 441 448 487 504 576 588 672 756 768 784 839 864 882 896 974 1008 1152 1176 1323 1344 1461 1512 1568 1678 1728 1764 1792 1948 2016 2304 2352 2517 2646 2688 2922 3024 3136 3356 3409 3456 3528 3896 4032 4383 4704 5034 5292 5376 5844 5873 6048 6272 6712 6818 6912 7056 7551 7792 8064 8766 9408 10068 10227 10584 11688 11746 12096 12544 13149 13424 13636 14112 15102 15584 16128 17532 17619 18816 20136 20454 21168 22653 23376 23492 23863 24192 26298 26848 27272 28224 30204 30681 31168 35064 35238 37632 40272 40908 41111 42336 45306 46752 46984 47726 48384 52596 52857 53696 54544 56448 60408 61362 62336 70128 70476 71589 80544 81816 82222 84672 90612 92043 93504 93968 95452 105192 105714 107392 109088 112896 120816 122724 123333 124672 140256 140952 143178 158571 161088 163632 164444 169344 181224 184086 187008 187936 190904 210384 211428 214767 214784 218176 241632 245448 246666 280512 281904 286356 317142 322176 327264 328888 338688 362448 368172 369999 374016 375872 381808 408593 420768 422856 429534 436352 483264 490896 493332 561024 563808 572712 634284 644301 644352 654528 657776 724896 736344 739998 751744 763616 817186 841536 845712 859068 872704 966528 981792 986664 1109997 1122048 1127616 1145424 1225779 1268568 1288602 1309056 1315552 1449792 1472688 1479996 1503488 1527232 1634372 1683072 1691424 1718136 1933056 1963584 1973328 2219994 2255232 2290848 2451558 2537136 2577204 2618112 2631104 2860151 2899584 2945376 2959992 3054464 3268744 3366144 3382848 3436272 3677337 3927168 3946656 4439988 4510464 4581696 4903116 5074272 5154408 5262208 5720302 5799168 5890752 5919984 6108928 6537488 6765696 6872544 7354674 7854336 7893312 8580453 8879976 9163392 9806232 10148544 10308816 10524416 11032011 11440604 11781504 11839968 13074976 13531392 13745088 14709348 15786624 17160906 17759952 18326784 19612464 20021057 20297088 20617632 22064022 22881208 23563008 23679936 25741359 26149952 27490176 29418696 31573248 34321812 35519904 39224928 40042114 40594176 41235264 44128044 45762416 47359872 51482718 52299904 54980352 58837392 60063171 68643624 71039808 77224077 78449856 80084228 82470528 88256088 91524832 94719744 102965436 104599808 117674784 120126342 137287248 142079616 154448154 156899712 160168456 164941056 176512176 180189513 183049664 205930872 235349568 240252684 274574496 284159232 308896308 313799424 320336912 353024352 360379026 366099328 411861744 470699136 480505368 540568539 549148992 617792616 640673824 706048704 720758052 732198656 823723488 941398272 961010736 1081137078 1098297984 1235585232 1281347648 1412097408 1441516104 1647446976 1922021472 2162274156 2196595968 2471170464 2562695296 2824194816 2883032208 3294893952 3844042944 4324548312 4942340928 5125390592 5766064416 6589787904 7688085888 8649096624 9884681856 11532128832 15376171776 17298193248 19769363712 23064257664 34596386496 46128515328 69192772992 138385545984
• Sum of all divisors σ(n): 477589593600
• Sum of proper divisors (its aliquot sum) s(n): 339204047616
• 138385545984 is an abundant number, because the sum of its proper divisors (339204047616) is greater than itself. Its abundance is 200818501632

Bases of 138385545984

• Binary: 10000000111000011010111101101100000000₂
• Hexadecimal: 0x20386BDB00
• Base-36: 1RKN6IO0

Squares and roots of 138385545984

• 138385545984 squared (138385545984²) is 19150559337289778528256
• 138385545984 cubed (138385545984³) is 2650160609789835212455146531323904
• The square root of 138385545984 is 372002.0779296803
• The cube root of 138385545984 is 5172.4572568525

Scales and comparisons

• 138,385,545,984 seconds is equal to 4,400 years, 12 weeks, 13 hours, 26 minutes, 24 seconds.
• To count from 1 to 138,385,545,984 would take you about eight thousand, eight hundred 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 138385545984 cubic inches would be around 431 feet tall.

Recreational maths with 138385545984

• 138385545984 backwards is 489545583831
• 138385545984 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138385545984's digits is 63
• More coming soon!