20452500

Names of 20452500

• Cardinal: 20452500 can be written as Twenty million, four hundred fifty-two thousand, five hundred.

Scientific notation

• Scientific notation: 2.04525 × 10⁷

Factors of 20452500

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 111

Divisors of 20452500

• Number of divisors d(n): 150
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 81 90 100 101 108 125 135 150 162 180 202 225 250 270 300 303 324 375 404 405 450 500 505 540 606 625 675 750 810 900 909 1010 1125 1212 1250 1350 1500 1515 1620 1818 1875 2020 2025 2250 2500 2525 2700 2727 3030 3375 3636 3750 4050 4500 4545 5050 5454 5625 6060 6750 7500 7575 8100 8181 9090 10100 10125 10908 11250 12625 13500 13635 15150 16362 16875 18180 20250 22500 22725 25250 27270 30300 32724 33750 37875 40500 40905 45450 50500 50625 54540 63125 67500 68175 75750 81810 90900 101250 113625 126250 136350 151500 163620 189375 202500 204525 227250 252500 272700 340875 378750 409050 454500 568125 681750 757500 818100 1022625 1136250 1363500 1704375 2045250 2272500 3408750 4090500 5113125 6817500 10226250 20452500
• Sum of all divisors σ(n): 67473714
• Sum of proper divisors (its aliquot sum) s(n): 47021214
• 20452500 is an abundant number, because the sum of its proper divisors (47021214) is greater than itself. Its abundance is 26568714

Bases of 20452500

• Binary: 1001110000001010010010100₂
• Hexadecimal: 0x1381494
• Base-36: C6D90

Squares and roots of 20452500

• 20452500 squared (20452500²) is 418304756250000
• 20452500 cubed (20452500³) is 8555378027203125000000
• The square root of 20452500 is 4522.4440295045
• The cube root of 20452500 is 273.4736374007

Scales and comparisons

• 20,452,500 seconds is equal to 33 weeks, 5 days, 17 hours, 15 minutes.
• To count from 1 to 20,452,500 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 20452500 cubic inches would be around 22.8 feet tall.

Recreational maths with 20452500

• 20452500 backwards is 00525402
• 20452500 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20452500's digits is 18
• More coming soon!