20942670

Names of 20942670

• Cardinal: 20942670 can be written as Twenty million, nine hundred forty-two thousand, six hundred seventy.

Scientific notation

• Scientific notation: 2.094267 × 10⁷

Factors of 20942670

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3265

Divisors of 20942670

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 31 35 42 62 70 93 105 155 186 210 217 310 434 465 651 930 1085 1302 2170 3217 3255 6434 6510 9651 16085 19302 22519 32170 45038 48255 67557 96510 99727 112595 135114 199454 225190 299181 337785 498635 598362 675570 698089 997270 1396178 1495905 2094267 2991810 3490445 4188534 6980890 10471335 20942670
• Sum of all divisors σ(n): 59314176
• Sum of proper divisors (its aliquot sum) s(n): 38371506
• 20942670 is an abundant number, because the sum of its proper divisors (38371506) is greater than itself. Its abundance is 17428836

Bases of 20942670

• Binary: 1001111111000111101001110₂
• Hexadecimal: 0x13F8F4E
• Base-36: CGVGU

Squares and roots of 20942670

• 20942670 squared (20942670²) is 438595426728900
• 20942670 cubed (20942670³) is 9185359285492532163000
• The square root of 20942670 is 4576.3162041101
• The cube root of 20942670 is 275.6411267245

Scales and comparisons

• 20,942,670 seconds is equal to 34 weeks, 4 days, 9 hours, 24 minutes, 30 seconds.
• To count from 1 to 20,942,670 would take you about fifty-one 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 20942670 cubic inches would be around 23 feet tall.

Recreational maths with 20942670

• 20942670 backwards is 07624902
• 20942670 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20942670's digits is 30
• More coming soon!