20295390

Names of 20295390

• Cardinal: 20295390 can be written as Twenty million, two hundred ninety-five thousand, three hundred ninety.

Scientific notation

• Scientific notation: 2.029539 × 10⁷

Factors of 20295390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 337

Divisors of 20295390

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 30 31 62 93 139 155 157 186 278 310 314 417 465 471 695 785 834 930 942 1390 1570 2085 2355 4170 4309 4710 4867 8618 9734 12927 14601 21545 21823 24335 25854 29202 43090 43646 48670 64635 65469 73005 109115 129270 130938 146010 218230 327345 654690 676513 1353026 2029539 3382565 4059078 6765130 10147695 20295390
• Sum of all divisors σ(n): 50964480
• Sum of proper divisors (its aliquot sum) s(n): 30669090
• 20295390 is an abundant number, because the sum of its proper divisors (30669090) is greater than itself. Its abundance is 10373700

Bases of 20295390

• Binary: 1001101011010111011011110₂
• Hexadecimal: 0x135AEDE
• Base-36: C300U

Squares and roots of 20295390

• 20295390 squared (20295390²) is 411902855252100
• 20295390 cubed (20295390³) is 8359729089454917819000
• The square root of 20295390 is 4505.0405103615
• The cube root of 20295390 is 272.7715890613

Scales and comparisons

• 20,295,390 seconds is equal to 33 weeks, 3 days, 21 hours, 36 minutes, 30 seconds.
• To count from 1 to 20,295,390 would take you about fifty 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 20295390 cubic inches would be around 22.7 feet tall.

Recreational maths with 20295390

• 20295390 backwards is 09359202
• 20295390 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20295390's digits is 30
• More coming soon!