138017425

Names of 138017425

• Cardinal: 138017425 can be written as One hundred thirty-eight million, seventeen thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 1.38017425 × 10⁸

Factors of 138017425

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 178

Divisors of 138017425

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 7 13 19 25 31 35 65 91 95 103 133 155 175 217 247 325 403 455 475 515 589 665 721 775 1085 1235 1339 1729 1957 2015 2275 2575 2821 2945 3193 3325 3605 4123 5425 6175 6695 7657 8645 9373 9785 10075 13699 14105 14725 15965 18025 20615 22351 25441 33475 38285 41509 43225 46865 48925 53599 60667 68495 70525 79825 103075 111755 127205 178087 191425 207545 234325 267995 290563 303335 342475 424669 558775 636025 788671 890435 1037725 1339975 1452815 1516675 2123345 3943355 4452175 5520697 7264075 10616725 19716775 27603485 138017425
• Sum of all divisors σ(n): 231096320
• Sum of proper divisors (its aliquot sum) s(n): 93078895
• 138017425 is a deficient number, because the sum of its proper divisors (93078895) is less than itself. Its deficiency is 44938530

Bases of 138017425

• Binary: 1000001110011111101010010001₂
• Hexadecimal: 0x839FA91
• Base-36: 2A66XD

Squares and roots of 138017425

• 138017425 squared (138017425²) is 19048809603630625
• 138017425 cubed (138017425³) is 2629067650808369513640625
• The square root of 138017425 is 11748.0817583125
• The cube root of 138017425 is 516.7866746321

Scales and comparisons

• 138,017,425 seconds is equal to 4 years, 20 weeks, 1 day, 10 hours, 10 minutes, 25 seconds.
• To count from 1 to 138,017,425 would take you about six 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 138017425 cubic inches would be around 43.1 feet tall.

Recreational maths with 138017425

• 138017425 backwards is 524710831
• 138017425 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138017425's digits is 31
• More coming soon!