21231764820
21,231,764,820 is an even composite number composed of five prime numbers multiplied together.
21231764820 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21231764820:
22 × 33 × 5 × 7 × 5616869
(2 × 2 × 3 × 3 × 3 × 5 × 7 × 5616869)See below for interesting mathematical facts about the number 21231764820 from the Numbermatics database.
Names of 21231764820
- Cardinal: 21231764820 can be written as Twenty-one billion, two hundred thirty-one million, seven hundred sixty-four thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 2.123176482 × 1010
Factors of 21231764820
Divisors of 21231764820
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 90 105 108 126 135 140 180 189 210 252 270 315 378 420 540 630 756 945 1260 1890 3780 5616869 11233738 16850607 22467476 28084345 33701214 39318083 50551821 56168690 67402428 78636166 84253035 101103642 112337380 117954249 151655463 157272332 168506070 196590415 202207284 235908498 252759105 303310926 337012140 353862747 393180830 471816996 505518210 589771245 606621852 707725494 758277315 786361660 1011036420 1061588241 1179542490 1415450988 1516554630 1769313735 2123176482 2359084980 3033109260 3538627470 4246352964 5307941205 7077254940 10615882410 21231764820
- Sum of all divisors σ(n): 75490732800
- Sum of proper divisors (its aliquot sum) s(n): 54258967980
- 21231764820 is an abundant number, because the sum of its proper divisors (54258967980) is greater than itself. Its abundance is 33027203160
Bases of 21231764820
- Binary: 100111100011000001100000101010101002
- Hexadecimal: 0x4F1830554
- Base-36: 9R4UEL0
Squares and roots of 21231764820
- 21231764820 squared (212317648202) is 450787837371789632400
- 21231764820 cubed (212317648203) is 9571021346794244377631052168000
-
The
square root of 21231764820 is 145711.2377958545 -
The
cube root of 21231764820 is 2769.0366140693
Scales and comparisons
How big is 21231764820?- 21,231,764,820 seconds is equal to 675 years, 5 weeks, 3 days, 27 minutes.
-
To count from 1 to 21,231,764,820 would take you about one thousand, three hundred fifty years!
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 21231764820 cubic inches would be around 230.8 feet tall.
Recreational maths with 21231764820
- 21231764820 backwards is 02846713212
- 21231764820 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21231764820's digits is 36
- More coming soon!
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The information we have on file for 21231764820 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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