21125853 is an odd 8-digits composite number following 21125852
and preceding 21125854 . In scientific notation, it is written as 2.1125853 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 10917504 positive integers (up to 21125853) that are relatively prime to 21125853.
21125853 has 32 divisors, whose sum is 33751296
The reverse of 21125853 is 35852112
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred twenty-five thousand eight hundred fifty-three
Scientific notation
2.1125853 × 10^7
Engineering notation
2.1125853 × 10^6
Prime Factorization
3 × 513 × 7 × 53 × 37
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21125853
Product of the distinct prime numbers
The prime factorization of 21125853 is 3 × 513 × 7 × 53 × 37.
Since it has a total of 5 prime factors.
4 , 1 , 95 , 75 , 313 , 649 , 8765 , 5782 , 99977 , 70885 , 267806 , 427827 , 8309877 , 6299888 , 89147531 , 70133082 , 759165139 , 697358463 , 1873928834 , 2706876289
n×2
42251706
n×3
63377559
n×4
84503412
n×5
105629265
n÷2
10562926.5
n÷3
7041951
n÷3
5281463.25
n÷5
4225170.6
n2
446301664977609
n3
9.4285033679722E+21
n4
1.9918517616179E+29
n5
4.207956751373E+36
2 √n
4596.2868709427
3 √n
276.44246137936
4 √n
67.795920754443
5 √n
29.171774696649
1 , 3 , 7 , 21 , 37 , 53 , 111 , 159 , 259 , 371 , 513 , 777 , 1113 , 1539 , 1961 , 3591 , 5883 , 10773 , 13727 , 18981 , 27189 , 41181 , 56943 , 81567 , 132867 , 190323 , 398601 , 570969 , 1005993 , 3017979 , 7041951 , 21125853
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21125852
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21125853 can be divided by 32 positive divisors.
The sum of these divisors (counting 21125853) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000100101101011011101
3
Ternary
1110202022020000
4
Quaternary
1100211223131
5
Quinary
20402011403
6
Senary
2032444513
8
Octal
120455335
10
Decimal
21125853
12
Duodecimal
70a9739
16
Hexadecimal
1425add
20
Vigesimal
6c0ecd
36
Base36
ckst9
md5
17564e770719f0ea759e62d7cc7c8775
sha1
bda37fb464b602d140b631ac3f7ee44ca34c7728
sha256
45051c320a8896e6f3bfeb69cb17d2034e09ab1364d46d5b69f26f6e0f69c2aa
sha512
07fef1d960d56b938803a7312b335f42d21a91411c3c62e4720678f2c17afb2b6438ec34ddfaeb836b8d37cc9431f8d183d1cb6a62fe39b177484bd5f261f164
ripemd-160
7b19bd56fff30eced6bfd9e3951d84779f3b9a91
Diameter
42251706
Circumference
132737649.17124
Area
1.4020980319785E+15
Volume
3.9494022553558E+22
Surface area
5.6083921279142E+15
Circumference
132737649.17124
Perimeter
84503412
Area
446301664977609
Diagonal
29876467.8293
Surface area
2677809989865654
Volume
9.4285033679722E+21
Space diagonal
36591050.749231
Perimeter
63377559
Area
1.9325428981095E+14
Altitude
18295525.374616
Surface area
1.9325428981095E+14
Volume
1.1111597779889E+21
Height
9958822.6097668