138393505512

Names of 138393505512

• Cardinal: 138393505512 can be written as One hundred thirty-eight billion, three hundred ninety-three million, five hundred five thousand, five hundred twelve.

Scientific notation

• Scientific notation: 1.38393505512 × 10¹¹

Factors of 138393505512

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1369

Divisors of 138393505512

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 61 72 89 122 178 183 244 267 356 366 487 488 534 549 712 727 732 801 974 1068 1098 1454 1461 1464 1602 1948 2136 2181 2196 2908 2922 3204 3896 4362 4383 4392 5429 5816 5844 6408 6543 8724 8766 10858 11688 13086 16287 17448 17532 21716 26172 29707 32574 35064 43343 43432 44347 48861 52344 59414 64703 65148 86686 88694 89121 97722 118828 129406 130029 130296 133041 173372 177388 178242 194109 195444 237656 258812 260058 266082 267363 346744 354049 354776 356484 388218 390087 390888 399123 517624 520116 532164 534726 582327 708098 712968 776436 780174 798246 1040232 1062147 1064328 1069452 1164654 1416196 1552872 1560348 1596492 2124294 2138904 2329308 2643923 2832392 3120696 3186441 3192984 3946883 4248588 4658616 5287846 6372882 7893766 7931769 8497176 10575692 11840649 12745764 15787532 15863538 21151384 21596989 23681298 23795307 25491528 31510361 31575064 31727076 35521947 43193978 47362596 47590614 63020722 63454152 64790967 71043894 86387956 94531083 94725192 95181228 126041444 129581934 142087788 172775912 189062166 190362456 194372901 252082888 259163868 283593249 284175576 378124332 388745802 518327736 567186498 756248664 777491604 1134372996 1554983208 1922132021 2268745992 3844264042 5766396063 7688528084 11532792126 15377056168 17299188189 23065584252 34598376378 46131168504 69196752756 138393505512
• Sum of all divisors σ(n): 386562758400
• Sum of proper divisors (its aliquot sum) s(n): 248169252888
• 138393505512 is an abundant number, because the sum of its proper divisors (248169252888) is greater than itself. Its abundance is 109775747376

Bases of 138393505512

• Binary: 10000000111000111001010100111011101000₂
• Hexadecimal: 0x2038E54EE8
• Base-36: 1RKRX4A0

Squares and roots of 138393505512

• 138393505512 squared (138393505512²) is 19152762367899974382144
• 138393505512 cubed (138393505512³) is 2650617924331991276519904458377728
• The square root of 138393505512 is 372012.7760064163
• The cube root of 138393505512 is 5172.5564231077

Scales and comparisons

• 138,393,505,512 seconds is equal to 4,400 years, 25 weeks, 1 day, 16 hours, 25 minutes, 12 seconds.
• To count from 1 to 138,393,505,512 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 138393505512 cubic inches would be around 431 feet tall.

Recreational maths with 138393505512

• 138393505512 backwards is 215505393831
• The number of decimal digits it has is: 12
• The sum of 138393505512's digits is 45
• More coming soon!