1990450
1,990,450 is an even composite number composed of five prime numbers multiplied together.
1990450 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 1990450:
2 × 52 × 7 × 112 × 47
(2 × 5 × 5 × 7 × 11 × 11 × 47)See below for interesting mathematical facts about the number 1990450 from the Numbermatics database.
Names of 1990450
- Cardinal: 1990450 can be written as One million, nine hundred ninety thousand, four hundred fifty.
Scientific notation
- Scientific notation: 1.99045 × 106
Factors of 1990450
Divisors of 1990450
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 5 7 10 11 14 22 25 35 47 50 55 70 77 94 110 121 154 175 235 242 275 329 350 385 470 517 550 605 658 770 847 1034 1175 1210 1645 1694 1925 2350 2585 3025 3290 3619 3850 4235 5170 5687 6050 7238 8225 8470 11374 12925 16450 18095 21175 25850 28435 36190 39809 42350 56870 79618 90475 142175 180950 199045 284350 398090 995225 1990450
- Sum of all divisors σ(n): 4749696
- Sum of proper divisors (its aliquot sum) s(n): 2759246
- 1990450 is an abundant number, because the sum of its proper divisors (2759246) is greater than itself. Its abundance is 768796
Bases of 1990450
- Binary: 1111001011111001100102
- Hexadecimal: 0x1E5F32
- Base-36: 16NUA
Squares and roots of 1990450
- 1990450 squared (19904502) is 3961891202500
- 1990450 cubed (19904503) is 7885946344016125000
-
The
square root of 1990450 is 1410.8330872219 -
The
cube root of 1990450 is 125.7912475175
Scales and comparisons
How big is 1990450?- 1,990,450 seconds is equal to 3 weeks, 2 days, 54 minutes, 10 seconds.
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To count from 1 to 1,990,450 would take you about four 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 1990450 cubic inches would be around 10.5 feet tall.
Recreational maths with 1990450
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The information we have on file for 1990450 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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