21020503 is an odd 8-digits composite number following 21020502
and preceding 21020504 . In scientific notation, it is written as 2.1020503 × 10^7.
The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors.
There are 17985240 positive integers (up to 21020503) that are relatively prime to 21020503.
21020503 has 8 divisors, whose sum is 24066560
The reverse of 21020503 is 30502012
Previous prime number is 631
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty-one million twenty thousand five hundred three
Scientific notation
2.1020503 × 10^7
Engineering notation
2.1020503 × 10^6
Prime Factorization
7 × 631 × 4759
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21020503
Product of the distinct prime numbers
The prime factorization of 21020503 is 7 × 631 × 4759.
Since it has a total of 3 prime factors.
4 , 8 , 78 , 99 , 672 , 233 , 4522 , 3668 , 86211 , 32217 , 877953 , 20091 , 1514765 , 8278048 , 40068034 , 20276583 , 205977801 , 703046856 , 9220266703 , 1019816548
n×2
42041006
n×3
63061509
n×4
84082012
n×5
105102515
n÷2
10510251.5
n÷3
7006834.3333333
n÷3
5255125.75
n÷5
4204100.6
n2
441861546373009
n3
9.2881519611185E+21
n4
1.9524162616315E+29
n5
4.1040771884873E+36
2 √n
4584.8122098948
3 √n
275.98217608764
4 √n
67.711241384978
5 √n
29.142621837228
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
-21020502
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 21020503 can be divided by 8 positive divisors.
The sum of these divisors (counting 21020503) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001011111101010111
3
Ternary
1110112221201011
4
Quaternary
1100023331113
5
Quinary
20340124003
6
Senary
2030313051
8
Octal
120137527
10
Decimal
21020503
12
Duodecimal
7058787
16
Hexadecimal
140bf57
20
Vigesimal
6b7b53
36
Base36
cijiv
md5
d3ecd564bbbb4656984541773568f303
sha1
2334f8037c2ee61b5efebd99c6c2175f84b7afc0
sha256
2198214d52e9e72d090538e147378c5be72afa5a5146c782a280d6071e617421
sha512
65f9087cebf8cda63a684ca906189f002f805b5d9b8821769011bca1280dd8612b5d76edcd5a3cb8b1fc377a2cdefcbeee30dd9c88f966a2e267f983c9098b85
ripemd-160
80627fcccb262bd0293331422947e7416b57bf5d
Diameter
42041006
Circumference
132075715.59912
Area
1.3881489879893E+15
Volume
3.8906119955301E+22
Surface area
5.5525959519571E+15
Circumference
132075715.59912
Perimeter
84082012
Area
441861546373009
Diagonal
29727480.430504
Surface area
2651169278238054
Volume
9.2881519611185E+21
Space diagonal
36408579.196654
Perimeter
63061509
Area
1.9133166205725E+14
Altitude
18204289.598327
Surface area
1.9133166205725E+14
Volume
1.0946192060663E+21
Height
9909160.1435014