128813 is an odd 6-digits prime number following 128812
and preceding 128814 . In scientific notation, it is written as 1.28813 × 10^5.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 128812 positive integers (up to 128813) that are relatively prime to 128813.
128813 has 2 divisors, whose sum is 128814
The reverse of 128813 is 318821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 23
Digital Root 5
Name
one hundred twenty-eight thousand eight hundred thirteen
Scientific notation
1.28813 × 10^5
Engineering notation
1.28813 × 10^3
Prime Factorization
128813
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
128813
Product of the distinct prime numbers
The prime factorization of 128813 is 128813.
Since it has a total of 1 prime factors.
2 , 6 , 6 , 5 , 135 , 396 , 4124 , 1929 , 34859 , 30872 , 495433 , 778666 , 9683474 , 5443418 , 90840151 , 28671237 , 34587336 , 877094757 , 5696977967 , 1812721649
n×2
257626
n×3
386439
n×4
515252
n×5
644065
n÷2
64406.5
n÷3
42937.666666667
n÷3
32203.25
n÷5
25762.6
n2
16592788969
n3
2137366925463797
n4
2.7532064576977E+20
n5
3.5464878343541E+25
2 √n
358.90527998345
3 √n
50.503316450497
4 √n
18.944795590965
5 √n
10.519423483374
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
128814
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64407
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
358.90667310598
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999844737373
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128813 can be divided by 2 positive divisors.
The sum of these divisors (counting 128813) is 128814, the average is 64407.
Base
System
Value
2
Binary
11111011100101101
3
Ternary
20112200212
4
Quaternary
133130231
5
Quinary
13110223
6
Senary
2432205
8
Octal
373455
10
Decimal
128813
12
Duodecimal
62665
16
Hexadecimal
1f72d
20
Vigesimal
g20d
36
Base36
2re5
md5
856644e1e94aaa9f60a6420298f6d229
sha1
43d345359cae505656161f9df8cb6357b4b29661
sha256
893860bf42fdbf6d40b8dd5771f11d0a74261ce0d251f47691878bc436d999a7
sha512
9f450ee748c9d4f759445e889ec6bdc291e08e8c1b8ac0323f12beefe11d1aa19351e36cd385bafaf403f8edb86e3de62e886fe4283fa586ba5ef6d46e8691ab
ripemd-160
08cf293151fb6cc65a21c747581cc65ddd244a88
Diameter
257626
Circumference
809355.94897372
Area
52127783927.576
Volume
8.9529816414172E+15
Surface area
208511135710.3
Circumference
809355.94897372
Perimeter
515252
Area
16592788969
Diagonal
182169.09160997
Surface area
99556733814
Volume
2137366925463797
Space diagonal
223110.66067537
Perimeter
386439
Area
7184888383.3941
Altitude
111555.33033768
Surface area
7184888383.3941
Volume
2.5189110781322E+14
Height
60723.030536655