21020147 is an odd 8-digits composite number following 21020146
and preceding 21020148 . In scientific notation, it is written as 2.1020147 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 20834016 positive integers (up to 21020147) that are relatively prime to 21020147.
21020147 has 4 divisors, whose sum is 21206280
The reverse of 21020147 is 74102012
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million twenty thousand one hundred forty-seven
Scientific notation
2.1020147 × 10^7
Engineering notation
2.1020147 × 10^6
Prime Factorization
113 × 186019
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21020147
Product of the distinct prime numbers
The prime factorization of 21020147 is 113 × 186019.
Since it has a total of 2 prime factors.
8 , 3 , 93 , 97 , 142 , 402 , 8647 , 9308 , 94825 , 52776 , 646680 , 756517 , 1934182 , 3085304 , 41191858 , 68123205 , 728320995 , 521003250 , 505132126 , 3577767095
n×2
42040294
n×3
63060441
n×4
84080588
n×5
105100735
n÷2
10510073.5
n÷3
7006715.6666667
n÷3
5255036.75
n÷5
4204029.4
n2
441846579901609
n3
9.2876800609791E+21
n4
1.9522840017075E+29
n5
4.103729670164E+36
2 √n
4584.7733858938
3 √n
275.98061808164
4 √n
67.710954696369
5 √n
29.142523125568
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
-21020146
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 21020147 can be divided by 4 positive divisors.
The sum of these divisors (counting 21020147) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001011110111110011
3
Ternary
1110112221012222
4
Quaternary
1100023313303
5
Quinary
20340121042
6
Senary
2030311255
8
Octal
120136763
10
Decimal
21020147
12
Duodecimal
705852b
16
Hexadecimal
140bdf3
20
Vigesimal
6b7a77
36
Base36
cij8z
md5
149167fb9546d2913d6ae77821818cdd
sha1
d2537c34bce71281cd9c29d46ff80a87c2375572
sha256
4561256d1ebb575e6603f9a3cff1820694aae1c6a55a1b6e4313ac7ae7ce8376
sha512
2149902c94978fc7d223e2385f9a09f1446cbf9c1a7e744699f7fd282658eeeede49565380e1339ed4b1c4e596ad407d603b4287fd7edf53c61ccecab8959cb0
ripemd-160
7b0430f8e56f8b5d5a9d1a42dc4d324200908977
Diameter
42040294
Circumference
132073478.78516
Area
1.3881019694327E+15
Volume
3.8904143264619E+22
Surface area
5.5524078777307E+15
Circumference
132073478.78516
Perimeter
84080588
Area
441846579901609
Diagonal
29726976.970476
Surface area
2651079479409654
Volume
9.2876800609791E+21
Space diagonal
36407962.586567
Perimeter
63060441
Area
1.9132518138503E+14
Altitude
18203981.293283
Surface area
1.9132518138503E+14
Volume
1.0945635921016E+21
Height
9908992.323492