12840903 is an odd 8-digits composite number following 12840902
and preceding 12840904 . In scientific notation, it is written as 1.2840903 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 8109720 positive integers (up to 12840903) that are relatively prime to 12840903.
12840903 has 8 divisors, whose sum is 14017920
The reverse of 12840903 is 30904821
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million eight hundred forty thousand nine hundred three
Scientific notation
1.2840903 × 10^7
Engineering notation
1.2840903 × 10^6
Prime Factorization
27 × 19 × 25031
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12840903
Product of the distinct prime numbers
The prime factorization of 12840903 is 27 × 19 × 25031.
Since it has a total of 3 prime factors.
5 , 8 , 95 , 74 , 103 , 192 , 2083 , 2054 , 85353 , 93492 , 740082 , 307145 , 577416 , 1009905 , 67786744 , 14106564 , 648895850 , 227138943 , 4165796955 , 4796778973
n×2
25681806
n×3
38522709
n×4
51363612
n×5
64204515
n÷2
6420451.5
n÷3
4280301
n÷3
3210225.75
n÷5
2568180.6
n2
164888789855409
n3
2.1173209563207E+21
n4
2.7188313019981E+28
n5
3.4912249022322E+35
2 √n
3583.4205725815
3 √n
234.17032307008
4 √n
59.861678664914
5 √n
26.407002895534
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
-12840902
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 12840903 can be divided by 8 positive divisors.
The sum of these divisors (counting 12840903) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111110111111000111
3
Ternary
220011101102000
4
Quaternary
300332333013
5
Quinary
11241402103
6
Senary
1135120343
8
Octal
60767707
10
Decimal
12840903
12
Duodecimal
43730b3
16
Hexadecimal
c3efc7
20
Vigesimal
405253
36
Base36
7n83r
md5
0a576e9ce4d731bd9bec8ac3889cadcd
sha1
15c650ec9644bb2dd86a1fbec9dadf45d838da6f
sha256
1cab4c0cb52229132902a9c8fe7af8c35435e03a9608a6157fb4507f1d008c9c
sha512
d01144a6bfd6144dbe19b76cfb8991a30b5674c89d0c1a4964bedce56324168a703bf332e7c34c6997b2b508a0973fd54f999cc9f330190d803a56b72fd1f697
ripemd-160
9ca1e3b16a89632e6d9f9e4b9972e5de4b0d69ba
Diameter
25681806
Circumference
80681773.060518
Area
5.1801341086906E+14
Volume
8.8690132822251E+21
Surface area
2.0720536434763E+15
Circumference
80681773.060518
Perimeter
51363612
Area
164888789855409
Diagonal
18159779.175717
Surface area
989332739132454
Volume
2.1173209563207E+21
Space diagonal
22241096.411064
Perimeter
38522709
Area
71398940407029
Altitude
11120548.205532
Surface area
71398940407029
Volume
2.4952866769379E+20
Height
6053259.7252391