21361238 is an even 8-digits composite number following 21361237
and preceding 21361239 . In scientific notation, it is written as 2.1361238 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 10680618 positive integers (up to 21361238) that are relatively prime to 21361238.
21361238 has 4 divisors, whose sum is 32041860
The reverse of 21361238 is 83216312
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million three hundred sixty-one thousand two hundred thirty-eight
Scientific notation
2.1361238 × 10^7
Engineering notation
2.1361238 × 10^6
Prime Factorization
2 × 10680619
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21361238
Product of the distinct prime numbers
The prime factorization of 21361238 is 2 × 10680619.
Since it has a total of 2 prime factors.
3 , 2 , 8 , 30 , 551 , 675 , 626 , 3330 , 28675 , 89391 , 509096 , 590250 , 3476450 , 6239353 , 95182223 , 12528092 , 504222842 , 501746500 , 559915856 , 7745069724
n×2
42722476
n×3
64083714
n×4
85444952
n×5
106806190
n÷2
10680619
n÷3
7120412.6666667
n÷3
5340309.5
n÷5
4272247.6
n2
456302488892644
n3
9.7471860652281E+21
n4
2.0821196136962E+29
n5
4.4476652612633E+36
2 √n
4621.8219351247
3 √n
277.46538214919
4 √n
67.983982930722
5 √n
29.236493484968
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21361237
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21361238 can be divided by 4 positive divisors.
The sum of these divisors (counting 21361238) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001011111001001010110
3
Ternary
1111012021002222
4
Quaternary
1101133021112
5
Quinary
20432024423
6
Senary
2041502342
8
Octal
121371126
10
Decimal
21361238
12
Duodecimal
71a19b2
16
Hexadecimal
145f256
20
Vigesimal
6da31i
36
Base36
cpufq
md5
fa95fa3c80bd806d8bdd2cc58618f533
sha1
1b460ee1d86ac96b1eab93a7995dde73f15f8649
sha256
19272d840944e199f0fdeb34ad3dcbc74a2e9f249134b467f846d7bb636289a2
sha512
a1142eb76d37fde23076538658ca00b25dda6348fb81240b1fe268e53ba2ce9c0bf4a1dcdec8c3cbf4cd1e2158890bf236830152f133705ec00cef6df136d3fe
ripemd-160
e14c8805d0677287c126552b8292652689868527
Diameter
42722476
Circumference
134216616.74477
Area
1.4335165469199E+15
Volume
4.0828917514258E+22
Surface area
5.7340661876795E+15
Circumference
134216616.74477
Perimeter
85444952
Area
456302488892644
Diagonal
30209352.48868
Surface area
2737814933355864
Volume
9.7471860652281E+21
Space diagonal
36998749.528571
Perimeter
64083714
Area
1.9758477359555E+14
Altitude
18499374.764285
Surface area
1.9758477359555E+14
Volume
1.148716894035E+21
Height
10069784.162893