20452250

Names of 20452250

• Cardinal: 20452250 can be written as Twenty million, four hundred fifty-two thousand, two hundred fifty.

Scientific notation

• Scientific notation: 2.045225 × 10⁷

Factors of 20452250

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 87

Divisors of 20452250

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 13 14 25 26 29 31 35 50 58 62 65 70 91 125 130 145 155 175 182 203 217 250 290 310 325 350 377 403 406 434 455 650 725 754 775 806 875 899 910 1015 1085 1450 1550 1625 1750 1798 1885 2015 2030 2170 2275 2639 2821 3250 3625 3770 3875 4030 4495 4550 5075 5278 5425 5642 6293 7250 7750 8990 9425 10075 10150 10850 11375 11687 12586 13195 14105 18850 20150 22475 22750 23374 25375 26390 27125 28210 31465 44950 47125 50375 50750 54250 58435 62930 65975 70525 81809 94250 100750 112375 116870 131950 141050 157325 163618 224750 292175 314650 329875 352625 409045 584350 659750 705250 786625 818090 1460875 1573250 2045225 2921750 4090450 10226125 20452250
• Sum of all divisors σ(n): 50319360
• Sum of proper divisors (its aliquot sum) s(n): 29867110
• 20452250 is an abundant number, because the sum of its proper divisors (29867110) is greater than itself. Its abundance is 9414860

Bases of 20452250

• Binary: 1001110000001001110011010₂
• Hexadecimal: 0x138139A
• Base-36: C6D22

Squares and roots of 20452250

• 20452250 squared (20452250²) is 418294530062500
• 20452250 cubed (20452250³) is 8555064302470765625000
• The square root of 20452250 is 4522.4163894979
• The cube root of 20452250 is 273.4725231329

Scales and comparisons

• 20,452,250 seconds is equal to 33 weeks, 5 days, 17 hours, 10 minutes, 50 seconds.
• To count from 1 to 20,452,250 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 20452250 cubic inches would be around 22.8 feet tall.

Recreational maths with 20452250

• 20452250 backwards is 05225402
• The number of decimal digits it has is: 8
• The sum of 20452250's digits is 20
• More coming soon!