9940139

Names of 9940139

• Cardinal: 9940139 can be written as Nine million, nine hundred forty thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 9.940139 × 10⁶

Factors of 9940139

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 903660

Divisors of 9940139

• Number of divisors d(n): 4
• Complete list of divisors:
  1 11 903649 9940139
• Sum of all divisors σ(n): 10843800
• Sum of proper divisors (its aliquot sum) s(n): 903661
• 9940139 is a deficient number, because the sum of its proper divisors (903661) is less than itself. Its deficiency is 9036478

Bases of 9940139

• Binary: 100101111010110010101011₂
• Hexadecimal: 0x97ACAB
• Base-36: 5X1UZ

Squares and roots of 9940139

• 9940139 squared (9940139²) is 98806363339321
• 9940139 cubed (9940139³) is 982148985677354905619
• The square root of 9940139 is 3152.7985980713
• The cube root of 9940139 is 215.0127196367

Scales and comparisons

• 9,940,139 seconds is equal to 16 weeks, 3 days, 1 hour, 8 minutes, 59 seconds.
• To count from 1 to 9,940,139 would take you about twenty-four weeks!

  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 9940139 cubic inches would be around 17.9 feet tall.

Recreational maths with 9940139

• 9940139 backwards is 9310499
• The number of decimal digits it has is: 7
• The sum of 9940139's digits is 35
• More coming soon!