21038086 is an even 8-digits composite number following 21038085
and preceding 21038087 . In scientific notation, it is written as 2.1038086 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 10519042 positive integers (up to 21038086) that are relatively prime to 21038086.
21038086 has 4 divisors, whose sum is 31557132
The reverse of 21038086 is 68083012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million thirty-eight thousand eighty-six
Scientific notation
2.1038086 × 10^7
Engineering notation
2.1038086 × 10^6
Prime Factorization
2 × 10519043
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21038086
Product of the distinct prime numbers
The prime factorization of 21038086 is 2 × 10519043.
Since it has a total of 2 prime factors.
2 , 3 , 72 , 8 , 133 , 26 , 4432 , 5510 , 73648 , 28716 , 676683 , 340024 , 4067981 , 3685836 , 6963556 , 18144770 , 615336940 , 383603566 , 5373853862 , 644852393
n×2
42076172
n×3
63114258
n×4
84152344
n×5
105190430
n÷2
10519043
n÷3
7012695.3333333
n÷3
5259521.5
n÷5
4207617.2
n2
442601062543396
n3
9.3114792174793E+21
n4
1.9589570056454E+29
n5
4.1212705955071E+36
2 √n
4586.7293358122
3 √n
276.05910482424
4 √n
67.72539653492
5 √n
29.147495586996
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
-21038085
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 21038086 can be divided by 4 positive divisors.
The sum of these divisors (counting 21038086) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010000010000000110
3
Ternary
1110120211211101
4
Quaternary
1100100100012
5
Quinary
20341204321
6
Senary
2030530314
8
Octal
120202006
10
Decimal
21038086
12
Duodecimal
706699a
16
Hexadecimal
1410406
20
Vigesimal
6b9f46
36
Base36
cix3a
md5
5d2016650138602a6937759bcd090037
sha1
7061c2f394b49c38a5cfb3fbfedf50acf557dad2
sha256
b76ba17deb9510719d51b973712aa25ebc2abfcd20a4635a87dd1c0cf3d2c619
sha512
f64db51fd17ef52413cc0262b5fc55865f8d64e15dce1060c5ec1012e26d68d62b1a6b13c506ea85e5535ba2482276d014ccbd8e54268b83d8e455e56d7f06d7
ripemd-160
eeddff6c87b0854b87934eb43c40344ae5fb55ab
Diameter
42076172
Circumference
132186192.84638
Area
1.3904722465574E+15
Volume
3.900383293825E+22
Surface area
5.5618889862295E+15
Circumference
132186192.84638
Perimeter
84152344
Area
442601062543396
Diagonal
29752346.547572
Surface area
2655606375260376
Volume
9.3114792174793E+21
Space diagonal
36439033.846003
Perimeter
63114258
Area
1.9165188195228E+14
Altitude
18219516.923002
Surface area
1.9165188195228E+14
Volume
1.0973683495929E+21
Height
9917448.8491905