138392149194

Names of 138392149194

• Cardinal: 138392149194 can be written as One hundred thirty-eight billion, three hundred ninety-two million, one hundred forty-nine thousand, one hundred ninety-four.

Scientific notation

• Scientific notation: 1.38392149194 × 10¹¹

Factors of 138392149194

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2719

Divisors of 138392149194

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 13 18 19 26 38 39 57 78 114 117 171 234 247 342 361 494 722 741 941 1083 1482 1741 1882 2166 2223 2823 3249 3482 4446 4693 5223 5646 6498 8469 9386 10446 12233 14079 15669 16938 17879 22633 24466 28158 31338 33079 35758 36699 42237 45266 53637 66158 67899 73398 84474 99237 107274 110097 135798 160911 198474 203697 220194 232427 297711 321822 339701 407394 430027 464854 595422 628501 679402 697281 860054 1019103 1257002 1290081 1394562 1638281 1885503 2038206 2091843 2580162 3057309 3276562 3771006 3870243 4183686 4416113 4914843 5656509 6114618 7740486 8170513 8832226 9829686 11313018 13248339 14744529 16341026 21297653 24511539 26496678 29489058 31127339 39745017 42595306 49023078 62254678 63892959 73534617 79490034 93382017 127785918 147069234 186764034 191678877 280146051 383357754 404655407 560292102 591419441 809310814 1182838882 1213966221 1774258323 2427932442 3548516646 3641898663 5322774969 7283797326 7688452733 10645549938 15376905466 23065358199 46130716398 69196074597 138392149194
• Sum of all divisors σ(n): 341363177064
• Sum of proper divisors (its aliquot sum) s(n): 202971027870
• 138392149194 is an abundant number, because the sum of its proper divisors (202971027870) is greater than itself. Its abundance is 64578878676

Bases of 138392149194

• Binary: 10000000111000110100001001110011001010₂
• Hexadecimal: 0x2038D09CCA
• Base-36: 1RKR41QI

Squares and roots of 138392149194

• 138392149194 squared (138392149194²) is 19152386958534354849636
• 138392149194 cubed (138392149194³) is 2650539993386706327925362748593384
• The square root of 138392149194 is 372010.9530564927
• The cube root of 138392149194 is 5172.5395252669

Scales and comparisons

• 138,392,149,194 seconds is equal to 4,400 years, 22 weeks, 6 days, 23 hours, 39 minutes, 54 seconds.
• To count from 1 to 138,392,149,194 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 138392149194 cubic inches would be around 431 feet tall.

Recreational maths with 138392149194

• 138392149194 backwards is 491941293831
• The number of decimal digits it has is: 12
• The sum of 138392149194's digits is 54
• More coming soon!