21189000
21,189,000 is an even composite number composed of five prime numbers multiplied together.
21189000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21189000:
23 × 3 × 53 × 7 × 1009
(2 × 2 × 2 × 3 × 5 × 5 × 5 × 7 × 1009)See below for interesting mathematical facts about the number 21189000 from the Numbermatics database.
Names of 21189000
- Cardinal: 21189000 can be written as Twenty-one million, one hundred eighty-nine thousand.
Scientific notation
- Scientific notation: 2.1189 × 107
Factors of 21189000
Divisors of 21189000
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 50 56 60 70 75 84 100 105 120 125 140 150 168 175 200 210 250 280 300 350 375 420 500 525 600 700 750 840 875 1000 1009 1050 1400 1500 1750 2018 2100 2625 3000 3027 3500 4036 4200 5045 5250 6054 7000 7063 8072 10090 10500 12108 14126 15135 20180 21000 21189 24216 25225 28252 30270 35315 40360 42378 50450 56504 60540 70630 75675 84756 100900 105945 121080 126125 141260 151350 169512 176575 201800 211890 252250 282520 302700 353150 378375 423780 504500 529725 605400 706300 756750 847560 882875 1009000 1059450 1412600 1513500 1765750 2118900 2648625 3027000 3531500 4237800 5297250 7063000 10594500 21189000
- Sum of all divisors σ(n): 75628800
- Sum of proper divisors (its aliquot sum) s(n): 54439800
- 21189000 is an abundant number, because the sum of its proper divisors (54439800) is greater than itself. Its abundance is 33250800
Bases of 21189000
- Binary: 10100001101010001100010002
- Hexadecimal: 0x1435188
- Base-36: CM5JC
Squares and roots of 21189000
- 21189000 squared (211890002) is 448973721000000
- 21189000 cubed (211890003) is 9513304174269000000000
-
The
square root of 21189000 is 4603.1510946307 -
The
cube root of 21189000 is 276.7176242003
Scales and comparisons
How big is 21189000?- 21,189,000 seconds is equal to 35 weeks, 5 hours, 50 minutes.
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To count from 1 to 21,189,000 would take you about three days!
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 21189000 cubic inches would be around 23.1 feet tall.
Recreational maths with 21189000
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The information we have on file for 21189000 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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