20315850

Names of 20315850

• Cardinal: 20315850 can be written as Twenty million, three hundred fifteen thousand, eight hundred fifty.

Scientific notation

• Scientific notation: 2.031585 × 10⁷

Factors of 20315850

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 315

Divisors of 20315850

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 10 15 17 25 30 31 34 50 51 62 75 85 93 102 150 155 170 186 255 257 310 425 465 510 514 527 771 775 850 930 1054 1275 1285 1542 1550 1581 2325 2550 2570 2635 3162 3855 4369 4650 5270 6425 7710 7905 7967 8738 12850 13107 13175 15810 15934 19275 21845 23901 26214 26350 38550 39525 39835 43690 47802 65535 79050 79670 109225 119505 131070 135439 199175 218450 239010 270878 327675 398350 406317 597525 655350 677195 812634 1195050 1354390 2031585 3385975 4063170 6771950 10157925 20315850
• Sum of all divisors σ(n): 55282176
• Sum of proper divisors (its aliquot sum) s(n): 34966326
• 20315850 is an abundant number, because the sum of its proper divisors (34966326) is greater than itself. Its abundance is 14650476

Bases of 20315850

• Binary: 1001101011111111011001010₂
• Hexadecimal: 0x135FECA
• Base-36: C3FT6

Squares and roots of 20315850

• 20315850 squared (20315850²) is 412733761222500
• 20315850 cubed (20315850³) is 8385037182932126625000
• The square root of 20315850 is 4507.3107281393
• The cube root of 20315850 is 272.8632195967

Scales and comparisons

• 20,315,850 seconds is equal to 33 weeks, 4 days, 3 hours, 17 minutes, 30 seconds.
• To count from 1 to 20,315,850 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 20315850 cubic inches would be around 22.7 feet tall.

Recreational maths with 20315850

• 20315850 backwards is 05851302
• The number of decimal digits it has is: 8
• The sum of 20315850's digits is 24
• More coming soon!