138394162192

Names of 138394162192

• Cardinal: 138394162192 can be written as One hundred thirty-eight billion, three hundred ninety-four million, one hundred sixty-two thousand, one hundred ninety-two.

Scientific notation

• Scientific notation: 1.38394162192 × 10¹¹

Factors of 138394162192

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 97

Divisors of 138394162192

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 44 52 71 88 104 142 143 169 176 208 284 286 338 568 572 676 781 923 1136 1144 1352 1562 1846 1859 2197 2288 2704 3124 3692 3718 4394 5041 6248 7384 7436 8788 10082 10153 11999 12496 14768 14872 17576 20164 20306 23998 24167 29744 35152 40328 40612 47996 48334 55451 65533 80656 81224 95992 96668 110902 131066 131989 155987 162448 191984 193336 221804 262132 263978 311974 357911 386672 443608 524264 527956 623948 715822 720863 851929 887216 1048528 1055912 1247896 1431644 1441726 1703858 1715857 2111824 2495792 2863288 2883452 3407716 3431714 3937021 4652843 5726576 5766904 6815432 6863428 7874042 9305686 9371219 11075077 11533808 13630864 13726856 15748084 18611372 18742438 22150154 27453712 31496168 37222744 37484876 44300308 51181273 60486959 62992336 74445488 74969752 88600616 102362546 120973918 121825847 149939504 177201232 204725092 241947836 243651694 409450184 483895672 487303388 665356549 786330467 818900368 967791344 974606776 1330713098 1572660934 1949213552 2661426196 3145321868 5322852392 6290643736 8649635137 10645704784 12581287472 17299270274 34598540548 69197081096 138394162192
• Sum of all divisors σ(n): 321406928640
• Sum of proper divisors (its aliquot sum) s(n): 183012766448
• 138394162192 is an abundant number, because the sum of its proper divisors (183012766448) is greater than itself. Its abundance is 44618604256

Bases of 138394162192

• Binary: 10000000111000111011110101010000010000₂
• Hexadecimal: 0x2038EF5410
• Base-36: 1RKSB6Z4

Squares and roots of 138394162192

• 138394162192 squared (138394162192²) is 19152944128825602244864
• 138394162192 cubed (138394162192³) is 2650655656219004539557787714981888
• The square root of 138394162192 is 372013.6586094655
• The cube root of 138394162192 is 5172.5646043899

Scales and comparisons

• 138,394,162,192 seconds is equal to 4,400 years, 26 weeks, 2 days, 6 hours, 49 minutes, 52 seconds.
• To count from 1 to 138,394,162,192 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 138394162192 cubic inches would be around 431 feet tall.

Recreational maths with 138394162192

• 138394162192 backwards is 291261493831
• The number of decimal digits it has is: 12
• The sum of 138394162192's digits is 49
• More coming soon!