21494938 is an even 8-digits composite number following 21494937
and preceding 21494939 . In scientific notation, it is written as 2.1494938 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 10736544 positive integers (up to 21494938) that are relatively prime to 21494938.
21494938 has 8 divisors, whose sum is 32275188
The reverse of 21494938 is 83949412
Previous prime number is 1093
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred ninety-four thousand nine hundred thirty-eight
Scientific notation
2.1494938 × 10^7
Engineering notation
2.1494938 × 10^6
Prime Factorization
2 × 1093 × 9833
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21494938
Product of the distinct prime numbers
The prime factorization of 21494938 is 2 × 1093 × 9833.
Since it has a total of 3 prime factors.
6 , 8 , 53 , 48 , 521 , 390 , 6963 , 6423 , 44686 , 74586 , 210142 , 457567 , 2185403 , 7663509 , 67901175 , 72105646 , 531722313 , 455493850 , 1432405729 , 6011340849
n×2
42989876
n×3
64484814
n×4
85979752
n×5
107474690
n÷2
10747469
n÷3
7164979.3333333
n÷3
5373734.5
n÷5
4298987.6
n2
462032359623844
n3
9.9313569241082E+21
n4
2.1347390133958E+29
n5
4.5886082739123E+36
2 √n
4636.2633661172
3 √n
278.0430639083
4 √n
68.090112102398
5 √n
29.273000445843
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
-21494937
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 21494938 can be divided by 8 positive divisors.
The sum of these divisors (counting 21494938) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111110010011010
3
Ternary
1111110001111211
4
Quaternary
1101333302122
5
Quinary
21000314223
6
Senary
2044413334
8
Octal
121776232
10
Decimal
21494938
12
Duodecimal
724724a
16
Hexadecimal
147fc9a
20
Vigesimal
6e6h6i
36
Base36
csplm
md5
09e9992c270a9755083c4cb64f6da062
sha1
2f25911058f9cd17424892e9442cea45908af159
sha256
3da67d45d36e07339a33ba18818f77f98e2737eb1e4cfc892d51f1e33045c9ab
sha512
8d561fcb9349e13512126b2392311b8e062a109e0404f8e718c70d70f674a64017524c33b8b1667c4b8ac8c74c1f2c729d464ee82ea4c750b7498ca6801212e2
ripemd-160
2c9df85bc81a40b790b4a5c46291c828a4685130
Diameter
42989876
Circumference
135056678.62034
Area
1.451517466715E+15
Volume
4.1600370603942E+22
Surface area
5.8060698668601E+15
Circumference
135056678.62034
Perimeter
85979752
Area
462032359623844
Diagonal
30398432.841969
Surface area
2772194157743064
Volume
9.9313569241082E+21
Space diagonal
37230324.721543
Perimeter
64484814
Area
2.0006588040236E+14
Altitude
18615162.360771
Surface area
2.0006588040236E+14
Volume
1.1704216379035E+21
Height
10132810.947323