138128315904

Names of 138128315904

• Cardinal: 138128315904 can be written as One hundred thirty-eight billion, one hundred twenty-eight million, three hundred fifteen thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.38128315904 × 10¹¹

Factors of 138128315904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 143

Divisors of 138128315904

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 54 58 64 72 87 96 108 109 116 128 144 174 192 216 218 232 256 261 288 327 348 384 432 436 464 512 522 576 654 696 768 783 841 864 872 928 981 1044 1152 1308 1392 1536 1566 1682 1728 1744 1856 1962 2088 2304 2523 2616 2784 2943 3132 3161 3364 3456 3488 3712 3924 4176 4608 5046 5232 5568 5886 6264 6322 6728 6912 6976 7424 7569 7848 8352 9483 10092 10464 11136 11772 11881 12528 12644 13456 13824 13952 14848 15138 15696 16704 18966 20184 20928 22272 22707 23544 23762 25056 25288 26912 27904 28449 30276 31392 33408 35643 37932 40368 41856 44544 45414 47088 47524 50112 50576 53824 55808 56898 60552 62784 66816 71286 75864 80736 83712 85347 90828 91669 94176 95048 100224 101152 106929 107648 113796 121104 125568 133632 142572 151728 161472 167424 170694 181656 183338 188352 190096 200448 202304 213858 215296 227592 242208 251136 275007 285144 303456 320787 322944 341388 344549 363312 366676 376704 380192 400896 404608 427716 430592 455184 484416 502272 550014 570288 606912 641574 645888 682776 689098 726624 733352 753408 760384 809216 825021 855432 910368 968832 1033647 1100028 1140576 1213824 1283148 1291776 1365552 1378196 1453248 1466704 1506816 1520768 1618432 1650042 1710864 1820736 1937664 2067294 2200056 2281152 2427648 2475063 2566296 2731104 2756392 2906496 2933408 3041536 3100941 3300084 3421728 3641472 3875328 4134588 4400112 4562304 4855296 4950126 5132592 5462208 5512784 5812992 5866816 6083072 6201882 6600168 6843456 7282944 8269176 8800224 9124608 9302823 9900252 9991921 10265184 10924416 11025568 11625984 11733632 12403764 13200336 13686912 14565888 16538352 17600448 18249216 18605646 19800504 19983842 20530368 21848832 22051136 23467264 24807528 26400672 27373824 29975763 33076704 35200896 37211292 39601008 39967684 41060736 43697664 44102272 46934528 49615056 52801344 54747648 59951526 66153408 70401792 74422584 79202016 79935368 82121472 88204544 89927289 99230112 105602688 119903052 132306816 140803584 148845168 158404032 159870736 164242944 176409088 179854578 198460224 211205376 239806104 264613632 269781867 297690336 316808064 319741472 359709156 396920448 422410752 479612208 529227264 539563734 595380672 633616128 639482944 719418312 793840896 959224416 1079127468 1190761344 1267232256 1278965888 1438836624 1587681792 1918448832 2158254936 2381522688 2557931776 2877673248 3836897664 4316509872 4763045376 5115863552 5755346496 7673795328 8633019744 11510692992 15347590656 17266039488 23021385984 34532078976 46042771968 69064157952 138128315904
• Sum of all divisors σ(n): 427375068120
• Sum of proper divisors (its aliquot sum) s(n): 289246752216
• 138128315904 is an abundant number, because the sum of its proper divisors (289246752216) is greater than itself. Its abundance is 151118436312

Bases of 138128315904

• Binary: 10000000101001000101101101011000000000₂
• Hexadecimal: 0x202916D600
• Base-36: 1RGE16O0

Squares and roots of 138128315904

• 138128315904 squared (138128315904²) is 19079431654475219337216
• 138128315904 cubed (138128315904³) is 2635409762838130471950661151883264
• The square root of 138128315904 is 371656.1796930061
• The cube root of 138128315904 is 5169.2504266913

Scales and comparisons

• 138,128,315,904 seconds is equal to 4,392 years, 2 weeks, 5 days, 8 hours, 38 minutes, 24 seconds.
• To count from 1 to 138,128,315,904 would take you about eight thousand, seven hundred eighty-four 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 138128315904 cubic inches would be around 430.8 feet tall.

Recreational maths with 138128315904

• 138128315904 backwards is 409513821831
• The number of decimal digits it has is: 12
• The sum of 138128315904's digits is 45
• More coming soon!