138388016732

Names of 138388016732

• Cardinal: 138388016732 can be written as One hundred thirty-eight billion, three hundred eighty-eight million, sixteen thousand, seven hundred thirty-two.

Scientific notation

• Scientific notation: 1.38388016732 × 10¹¹

Factors of 138388016732

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1182

Divisors of 138388016732

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 14 19 28 31 38 61 62 76 122 124 133 151 217 244 266 302 427 434 532 589 604 854 868 911 1057 1159 1178 1708 1822 1891 2114 2318 2356 2869 3644 3782 4123 4228 4636 4681 5738 6377 7564 8113 8246 9211 9362 11476 12754 13237 16226 16492 17309 18422 18724 20083 25508 26474 28241 32452 32767 34618 35929 36844 40166 52948 55571 56482 64477 65534 69236 71858 80332 88939 111142 112964 121163 128954 131068 137561 143716 175009 177878 197687 222284 242326 251503 257908 275122 285541 350018 355756 388997 395374 484652 503006 536579 550244 571082 622573 700036 777994 790748 962927 1006012 1055849 1073158 1142164 1225063 1245146 1555988 1722701 1925854 1998787 2111698 2146316 2450126 2490292 2613659 3445402 3756053 3851708 3997574 4223396 4264391 4900252 5227318 5425279 6890804 7390943 7512106 7995148 8391221 8528782 10454636 10850558 12058907 14781886 15024212 16782442 17057564 18295613 21701116 24117814 29563772 29850737 32731319 33564884 36591226 37976953 48235628 58738547 59701474 65462638 73182452 75953906 81023429 117477094 119402948 130925276 151907812 159433199 162046858 229119233 234954188 260127851 318866398 324093716 458238466 520255702 567164003 637732796 916476932 1040511404 1116032393 1134328006 1820894957 2232064786 2268656012 3641789914 4464129572 4942429169 7283579828 9884858338 19769716676 34597004183 69194008366 138388016732
• Sum of all divisors σ(n): 308033617920
• Sum of proper divisors (its aliquot sum) s(n): 169645601188
• 138388016732 is an abundant number, because the sum of its proper divisors (169645601188) is greater than itself. Its abundance is 31257584456

Bases of 138388016732

• Binary: 10000000111000100100011000111001011100₂
• Hexadecimal: 0x2038918E5C
• Base-36: 1RKONH3W

Squares and roots of 138388016732

• 138388016732 squared (138388016732²) is 19151243175016311959824
• 138388016732 cubed (138388016732³) is 2650302560942758183869055423775168
• The square root of 138388016732 is 372005.3987941571
• The cube root of 138388016732 is 5172.4880398419

Scales and comparisons

• 138,388,016,732 seconds is equal to 4,400 years, 16 weeks, 1 day, 3 hours, 45 minutes, 32 seconds.
• To count from 1 to 138,388,016,732 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 138388016732 cubic inches would be around 431 feet tall.

Recreational maths with 138388016732

• 138388016732 backwards is 237610883831
• The number of decimal digits it has is: 12
• The sum of 138388016732's digits is 50
• More coming soon!