12938250

Names of 12938250

• Cardinal: 12938250 can be written as Twelve million, nine hundred thirty-eight thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.293825 × 10⁷

Factors of 12938250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1350

Divisors of 12938250

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 125 130 150 195 250 325 375 390 650 750 975 1327 1625 1950 2654 3250 3981 4875 6635 7962 9750 13270 17251 19905 33175 34502 39810 51753 66350 86255 99525 103506 165875 172510 199050 258765 331750 431275 497625 517530 862550 995250 1293825 2156375 2587650 4312750 6469125 12938250
• Sum of all divisors σ(n): 34804224
• Sum of proper divisors (its aliquot sum) s(n): 21865974
• 12938250 is an abundant number, because the sum of its proper divisors (21865974) is greater than itself. Its abundance is 8927724

Bases of 12938250

• Binary: 110001010110110000001010₂
• Hexadecimal: 0xC56C0A
• Base-36: 7PB7U

Squares and roots of 12938250

• 12938250 squared (12938250²) is 167398313062500
• 12938250 cubed (12938250³) is 2165841223980890625000
• The square root of 12938250 is 3596.9778981807
• The cube root of 12938250 is 234.7605830861

Scales and comparisons

• 12,938,250 seconds is equal to 21 weeks, 2 days, 17 hours, 57 minutes, 30 seconds.
• To count from 1 to 12,938,250 would take you about thirty-two 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 12938250 cubic inches would be around 19.6 feet tall.

Recreational maths with 12938250

• 12938250 backwards is 05283921
• 12938250 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12938250's digits is 30
• More coming soon!