21006615500
21,006,615,500 is an even composite number composed of four prime numbers multiplied together.
21006615500 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 21006615500:
22 × 53 × 134 × 1471
(2 × 2 × 5 × 5 × 5 × 13 × 13 × 13 × 13 × 1471)See below for interesting mathematical facts about the number 21006615500 from the Numbermatics database.
Names of 21006615500
- Cardinal: 21006615500 can be written as Twenty-one billion, six million, six hundred fifteen thousand, five hundred.
Scientific notation
- Scientific notation: 2.10066155 × 1010
Factors of 21006615500
Divisors of 21006615500
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 4 5 10 13 20 25 26 50 52 65 100 125 130 169 250 260 325 338 500 650 676 845 1300 1471 1625 1690 2197 2942 3250 3380 4225 4394 5884 6500 7355 8450 8788 10985 14710 16900 19123 21125 21970 28561 29420 36775 38246 42250 43940 54925 57122 73550 76492 84500 95615 109850 114244 142805 147100 183875 191230 219700 248599 274625 285610 367750 382460 478075 497198 549250 571220 714025 735500 956150 994396 1098500 1242995 1428050 1912300 2390375 2485990 2856100 3231787 3570125 4780750 4971980 6214975 6463574 7140250 9561500 12429950 12927148 14280500 16158935 24859900 31074875 32317870 42013231 62149750 64635740 80794675 84026462 124299500 161589350 168052924 210066155 323178700 403973375 420132310 807946750 840264620 1050330775 1615893500 2100661550 4201323100 5251653875 10503307750 21006615500
- Sum of all divisors σ(n): 49735305984
- Sum of proper divisors (its aliquot sum) s(n): 28728690484
- 21006615500 is an abundant number, because the sum of its proper divisors (28728690484) is greater than itself. Its abundance is 7722074984
Bases of 21006615500
- Binary: 100111001000001011110000011110011002
- Hexadecimal: 0x4E41783CC
- Base-36: 9NESO98
Squares and roots of 21006615500
- 21006615500 squared (210066155002) is 441277894764840250000
- 21006615500 cubed (210066155003) is 9269755063974462050673875000000
-
The
square root of 21006615500 is 144936.5913080613 -
The
cube root of 21006615500 is 2759.2138548995
Scales and comparisons
How big is 21006615500?- 21,006,615,500 seconds is equal to 667 years, 49 weeks, 1 day, 2 hours, 58 minutes, 20 seconds.
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To count from 1 to 21,006,615,500 would take you about one thousand, three hundred thirty-five 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 21006615500 cubic inches would be around 229.9 feet tall.
Recreational maths with 21006615500
- 21006615500 backwards is 00551660012
- 21006615500 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21006615500's digits is 26
- More coming soon!
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The information we have on file for 21006615500 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!
Keywords: Divisors of 21006615500, math, Factors of 21006615500, curriculum, school, college, exams, university, Prime factorization of 21006615500, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, six million, six hundred fifteen thousand, five hundred.