21030147 is an odd 8-digits composite number following 21030146
and preceding 21030148 . In scientific notation, it is written as 2.1030147 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors.
There are 13981200 positive integers (up to 21030147) that are relatively prime to 21030147.
21030147 has 12 divisors, whose sum is 30461184
The reverse of 21030147 is 74103012
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million thirty thousand one hundred forty-seven
Scientific notation
2.1030147 × 10^7
Engineering notation
2.1030147 × 10^6
Prime Factorization
3 × 3 × 383 × 6101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7010049
Product of the distinct prime numbers
The prime factorization of 21030147 is 3 × 3 × 383 × 6101.
Since it has a total of 4 prime factors.
2 , 1 , 80 , 6 , 589 , 292 , 8294 , 9065 , 25906 , 59242 , 654929 , 933948 , 1635688 , 9100549 , 3492147 , 63178322 , 655370346 , 399442578 , 5894563070 , 5525186510
n×2
42060294
n×3
63090441
n×4
84120588
n×5
105150735
n÷2
10515073.5
n÷3
7010049
n÷3
5257536.75
n÷5
4206029.4
n2
442267082841609
n3
9.3009417654202E+21
n4
1.9560017256523E+29
n5
4.1135003822721E+36
2 √n
4585.863822662
3 √n
276.02437560392
4 √n
67.71900636204
5 √n
29.145295416273
1 , 3 , 9 , 383 , 1149 , 3447 , 6101 , 18303 , 54909 , 2336683 , 7010049 , 21030147
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21030146
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21030147 can be divided by 12 positive divisors.
The sum of these divisors (counting 21030147) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000001110010100000011
3
Ternary
1110120102221100
4
Quaternary
1100032110003
5
Quinary
20340431042
6
Senary
2030425443
8
Octal
120162403
10
Decimal
21030147
12
Duodecimal
7062283
16
Hexadecimal
140e503
20
Vigesimal
6b8f77
36
Base36
ciqyr
md5
a02a83f768be36a2922289253119ebe1
sha1
8d39d7afff826625f94453cf311c182ce65220bd
sha256
b38cfcef2f734d8d4604e49294ecddd21d386990545476c0860de389f1b17b94
sha512
2c97c20874b9372e5315f86dc49670247471c4180ee1590dfca352136a0b25d820d6786aa132671bbfb3a66565fc93303ac6013963d32b428627c67c072c8070
ripemd-160
11fc14156fcca425ba4a62997fdcf9b8a1596884
Diameter
42060294
Circumference
132136310.63823
Area
1.3894230183798E+15
Volume
3.8959693762281E+22
Surface area
5.5576920735191E+15
Circumference
132136310.63823
Perimeter
84120588
Area
442267082841609
Diagonal
29741119.1061
Surface area
2653602497049654
Volume
9.3009417654202E+21
Space diagonal
36425283.094642
Perimeter
63090441
Area
1.9150726449924E+14
Altitude
18212641.547321
Surface area
1.9150726449924E+14
Volume
1.0961264989583E+21
Height
9913706.3687