128813 (number)

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.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight thousand eight hundred thirteen

Notation

Scientific notation 1.28813 × 10^5
Engineering notation 1.28813 × 10^3

Prime Factorization of 128813

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.

Most popular turbo-numbers

Basic calculations (n = 128813)

Multiplication

n×y
n×2 257626
n×3 386439
n×4 515252
n×5 644065

Division

n÷y
n÷2 64406.5
n÷3 42937.666666667
n÷3 32203.25
n÷5 25762.6

Exponentiation

ny
n2 16592788969
n3 2137366925463797
n4 2.7532064576977E+20
n5 3.5464878343541E+25

Nth Root

y√n
2√n 358.90527998345
3√n 50.503316450497
4√n 18.944795590965
5√n 10.519423483374

Divisors of 128813

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 conversion 128813

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

Cryptographic Hash Functions

md5 856644e1e94aaa9f60a6420298f6d229
sha1 43d345359cae505656161f9df8cb6357b4b29661
sha256 893860bf42fdbf6d40b8dd5771f11d0a74261ce0d251f47691878bc436d999a7
sha512 9f450ee748c9d4f759445e889ec6bdc291e08e8c1b8ac0323f12beefe11d1aa19351e36cd385bafaf403f8edb86e3de62e886fe4283fa586ba5ef6d46e8691ab
ripemd-160 08cf293151fb6cc65a21c747581cc65ddd244a88

128813 as geometric shapes

Circle

Radius = n
Diameter 257626
Circumference 809355.94897372
Area 52127783927.576

Sphere

Radius = n
Volume 8.9529816414172E+15
Surface area 208511135710.3
Circumference 809355.94897372

Square

Length = n
Perimeter 515252
Area 16592788969
Diagonal 182169.09160997

Cube

Length = n
Surface area 99556733814
Volume 2137366925463797
Space diagonal 223110.66067537

Equilateral Triangle

Length = n
Perimeter 386439
Area 7184888383.3941
Altitude 111555.33033768

Triangular Pyramid

Length = n
Surface area 7184888383.3941
Volume 2.5189110781322E+14
Height 60723.030536655