21940000
21,940,000 is an even composite number composed of three prime numbers multiplied together.
What does the number 21940000 look like?
This visualization shows the relationship between its 3 prime factors (large circles) and 60 divisors.
21940000 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 21940000:
25 × 54 × 1097
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 1097)See below for interesting mathematical facts about the number 21940000 from the Numbermatics database.
Names of 21940000
- Cardinal: 21940000 can be written as Twenty-one million, nine hundred forty thousand.
Scientific notation
- Scientific notation: 2.194 × 107
Factors of 21940000
Divisors of 21940000
- Number of divisors d(n): 60
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1097 1250 2000 2194 2500 4000 4388 5000 5485 8776 10000 10970 17552 20000 21940 27425 35104 43880 54850 87760 109700 137125 175520 219400 274250 438800 548500 685625 877600 1097000 1371250 2194000 2742500 4388000 5485000 10970000 21940000
- Sum of all divisors σ(n): 54024894
- Sum of proper divisors (its aliquot sum) s(n): 32084894
- 21940000 is an abundant number, because the sum of its proper divisors (32084894) is greater than itself. Its abundance is 10144894
Bases of 21940000
- Binary: 10100111011000111001000002
- Hexadecimal: 0x14EC720
- Base-36: D290G
Squares and roots of 21940000
- 21940000 squared (219400002) is 481363600000000
- 21940000 cubed (219400003) is 10561117384000000000000
-
The
square root of 21940000 is 4684.0153714521 -
The
cube root of 21940000 is 279.9489702923
Scales and comparisons
How big is 21940000?- 21,940,000 seconds is equal to 36 weeks, 1 day, 22 hours, 26 minutes, 40 seconds.
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To count from 1 to 21,940,000 would take you about two 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 21940000 cubic inches would be around 23.3 feet tall.
Recreational maths with 21940000
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