21742238 is an even 8-digits composite number following 21742237
and preceding 21742239 . In scientific notation, it is written as 2.1742238 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 9318096 positive integers (up to 21742238) that are relatively prime to 21742238.
21742238 has 8 divisors, whose sum is 37272432
The reverse of 21742238 is 83224712
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million seven hundred forty-two thousand two hundred thirty-eight
Scientific notation
2.1742238 × 10^7
Engineering notation
2.1742238 × 10^6
Prime Factorization
2 × 7 × 1553017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21742238
Product of the distinct prime numbers
The prime factorization of 21742238 is 2 × 7 × 1553017.
Since it has a total of 3 prime factors.
6 , 9 , 85 , 27 , 922 , 686 , 9553 , 4359 , 85136 , 26294 , 272923 , 410609 , 2338350 , 9950668 , 56964490 , 34771874 , 248004019 , 402824472 , 1902919247 , 5479119507
n×2
43484476
n×3
65226714
n×4
86968952
n×5
108711190
n÷2
10871119
n÷3
7247412.6666667
n÷3
5435559.5
n÷5
4348447.6
n2
472724913248644
n3
1.0278097572381E+22
n4
2.2346884360594E+29
n5
4.8587127832651E+36
2 √n
4662.8572785364
3 √n
279.10529891399
4 √n
68.285117547943
5 √n
29.340049964109
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21742237
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21742238 can be divided by 8 positive divisors.
The sum of these divisors (counting 21742238) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010111100001010011110
3
Ternary
1111220121202002
4
Quaternary
1102330022132
5
Quinary
21031222423
6
Senary
2054002302
8
Octal
122741236
10
Decimal
21742238
12
Duodecimal
7346392
16
Hexadecimal
14bc29e
20
Vigesimal
6fhfbi
36
Base36
cy0f2
md5
824947eece18a9d9a652d02ac9d199a0
sha1
e266a849a3efa116b2b7369e2af7540bdee0e76e
sha256
902a6f8b5959252aeb18ab1c02c6282a9f1070c458ea080626e2147774f98249
sha512
ea768634389dcb05d360cc19984f6e717b45ace6b010b48d431df9d9810e750293485521414efd95b2a5286611c5a8aed2de697906777da2e8efb04f006d0770
ripemd-160
96b8b6b2d4d89acaf76f0b10125430da0c627913
Diameter
43484476
Circumference
136610510.3468
Area
1.4851091146308E+15
Volume
4.305279443503E+22
Surface area
5.9404364585232E+15
Circumference
136610510.3468
Perimeter
86968952
Area
472724913248644
Diagonal
30748167.855944
Surface area
2836349479491864
Volume
1.0278097572381E+22
Space diagonal
37658660.886255
Perimeter
65226714
Area
2.0469589193756E+14
Altitude
18829330.443127
Surface area
2.0469589193756E+14
Volume
1.211285415188E+21
Height
10249389.285315