10857990

Names of 10857990

• Cardinal: 10857990 can be written as Ten million, eight hundred fifty-seven thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.085799 × 10⁷

Factors of 10857990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2565

Divisors of 10857990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 11 13 15 22 26 30 33 39 55 65 66 78 110 130 143 165 195 286 330 390 429 715 858 1430 2145 2531 4290 5062 7593 12655 15186 25310 27841 32903 37965 55682 65806 75930 83523 98709 139205 164515 167046 197418 278410 329030 361933 417615 493545 723866 835230 987090 1085799 1809665 2171598 3619330 5428995 10857990
• Sum of all divisors σ(n): 30627072
• Sum of proper divisors (its aliquot sum) s(n): 19769082
• 10857990 is an abundant number, because the sum of its proper divisors (19769082) is greater than itself. Its abundance is 8911092

Bases of 10857990

• Binary: 101001011010111000000110₂
• Hexadecimal: 0xA5AE06
• Base-36: 6GQ2U

Squares and roots of 10857990

• 10857990 squared (10857990²) is 117895946840100
• 10857990 cubed (10857990³) is 1280113011830337399000
• The square root of 10857990 is 3295.1464307371
• The cube root of 10857990 is 221.4368079787

Scales and comparisons

• 10,857,990 seconds is equal to 17 weeks, 6 days, 16 hours, 6 minutes, 30 seconds.
• To count from 1 to 10,857,990 would take you about twenty-six 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 10857990 cubic inches would be around 18.5 feet tall.

Recreational maths with 10857990

• 10857990 backwards is 09975801
• 10857990 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 10857990's digits is 39
• More coming soon!