21597946 is an even 8-digits composite number following 21597945
and preceding 21597947 . In scientific notation, it is written as 2.1597946 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 10230588 positive integers (up to 21597946) that are relatively prime to 21597946.
21597946 has 8 divisors, whose sum is 34102080
The reverse of 21597946 is 64979512
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million five hundred ninety-seven thousand nine hundred forty-six
Scientific notation
2.1597946 × 10^7
Engineering notation
2.1597946 × 10^6
Prime Factorization
2 × 19 × 568367
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21597946
Product of the distinct prime numbers
The prime factorization of 21597946 is 2 × 19 × 568367.
Since it has a total of 3 prime factors.
5 , 4 , 45 , 71 , 406 , 289 , 6920 , 3999 , 88246 , 20943 , 361553 , 714299 , 9673705 , 8429008 , 32946273 , 53232259 , 489275481 , 686751541 , 3869838753 , 3444693547
n×2
43195892
n×3
64793838
n×4
86391784
n×5
107989730
n÷2
10798973
n÷3
7199315.3333333
n÷3
5399486.5
n÷5
4319589.2
n2
466471271418916
n3
1.0074821330657E+22
n4
2.1759544705918E+29
n5
4.69961471543E+36
2 √n
4647.3590349789
3 √n
278.48650212262
4 √n
68.171541239574
5 √n
29.301003222366
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
-21597945
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 21597946 can be divided by 8 positive divisors.
The sum of these divisors (counting 21597946) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010011000111011111010
3
Ternary
1111122021210221
4
Quaternary
1102120323322
5
Quinary
21012113241
6
Senary
2050530254
8
Octal
122307372
10
Decimal
21597946
12
Duodecimal
729698a
16
Hexadecimal
1498efa
20
Vigesimal
6ejeh6
36
Base36
cux2y
md5
52cd2c649f9d7ec5487aca2a8a28bc85
sha1
f8aaf17269c7b296970e2681ca0d12bc7ec038d0
sha256
005d2d5838e05d3a738b9ee3e690a5afc4630601ba16e9742555e98df5c0a390
sha512
c137e2fb67d62385201bb0014a086819c475dd43421b5e746ae38aaedac55f5871cf19bccd3c08597921accbe717cecbf9fdef38d7c78757f011f510f2407e0f
ripemd-160
9272466e48ee439724284d299d648384a6219540
Diameter
43195892
Circumference
135703896.97246
Area
1.4654627194004E+15
Volume
4.2201312904829E+22
Surface area
5.8618508776014E+15
Circumference
135703896.97246
Perimeter
86391784
Area
466471271418916
Diagonal
30544108.152602
Surface area
2798827628513496
Volume
1.0074821330657E+22
Space diagonal
37408739.811129
Perimeter
64793838
Area
2.019879855922E+14
Altitude
18704369.905565
Surface area
2.019879855922E+14
Volume
1.1873290803584E+21
Height
10181369.384201