20045520

Names of 20045520

• Cardinal: 20045520 can be written as Twenty million, forty-five thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.004552 × 10⁷

Factors of 20045520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2552

Divisors of 20045520

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 33 36 40 44 45 48 55 60 66 72 80 88 90 99 110 120 132 144 165 176 180 198 220 240 264 330 360 396 440 495 528 660 720 792 880 990 1320 1584 1980 2531 2640 3960 5062 7593 7920 10124 12655 15186 20248 22779 25310 27841 30372 37965 40496 45558 50620 55682 60744 75930 83523 91116 101240 111364 113895 121488 139205 151860 167046 182232 202480 222728 227790 250569 278410 303720 334092 364464 417615 445456 455580 501138 556820 607440 668184 835230 911160 1002276 1113640 1252845 1336368 1670460 1822320 2004552 2227280 2505690 3340920 4009104 5011380 6681840 10022760 20045520
• Sum of all divisors σ(n): 73468512
• Sum of proper divisors (its aliquot sum) s(n): 53422992
• 20045520 is an abundant number, because the sum of its proper divisors (53422992) is greater than itself. Its abundance is 33377472

Bases of 20045520

• Binary: 1001100011101111011010000₂
• Hexadecimal: 0x131DED0
• Base-36: BXN80

Squares and roots of 20045520

• 20045520 squared (20045520²) is 401822872070400
• 20045520 cubed (20045520³) is 8054748418544644608000
• The square root of 20045520 is 4477.2223532007
• The cube root of 20045520 is 271.6475394381

Scales and comparisons

• 20,045,520 seconds is equal to 33 weeks, 1 day, 12 minutes.
• To count from 1 to 20,045,520 would take you about forty-nine 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 20045520 cubic inches would be around 22.6 feet tall.

Recreational maths with 20045520

• 20045520 backwards is 02554002
• 20045520 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20045520's digits is 18
• More coming soon!