128968 (number)

128968 is an even 6-digits composite number following 128967 and preceding 128969. In scientific notation, it is written as 1.28968 × 10^5. The sum of its digits is 34. It has a total of 6 prime factors and 24 positive divisors. There are 54096 positive integers (up to 128968) that are relatively prime to 128968.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight thousand nine hundred sixty-eight

Notation

Scientific notation 1.28968 × 10^5
Engineering notation 1.28968 × 10^3

Prime Factorization of 128968

Prime Factorization 2 × 2 × 2 × 329 × 7 × 7

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 4606
Product of the distinct prime numbers

The prime factorization of 128968 is 2 × 2 × 2 × 329 × 7 × 7. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128968)

Multiplication

n×y
n×2 257936
n×3 386904
n×4 515872
n×5 644840

Division

n÷y
n÷2 64484
n÷3 42989.333333333
n÷3 32242
n÷5 25793.6

Exponentiation

ny
n2 16632745024
n3 2145091860255232
n4 2.766482070334E+20
n5 3.5678765964683E+25

Nth Root

y√n
2√n 359.12114947466
3√n 50.523565121942
4√n 18.950492064183
5√n 10.521953859054

Divisors of 128968

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128968 can be divided by 24 positive divisors. The sum of these divisors (counting 128968) is 1, the average is 0.041666666666667.

Base conversion 128968

Base System Value
2 Binary 11111011111001000
3 Ternary 20112220121
4 Quaternary 133133020
5 Quinary 13111333
6 Senary 2433024
8 Octal 373710
10 Decimal 128968
12 Duodecimal 62774
16 Hexadecimal 1f7c8
20 Vigesimal g288
36 Base36 2rig

Cryptographic Hash Functions

md5 1107f1d96c712e5211013fbc52ded57a
sha1 eead49036a449886a8825ce85846c1b4136bd0a1
sha256 6f99a2f85167219e3eb17660c0aeea9f228e1ffc9eb986ce4a4e211fac068aca
sha512 c04d04c3e56fa88e1e66f078f1a634203105be3523065a6e2497c908d553da7f781fb7243c9d3ef8f92d9f859f4ed9686e7f8ef7f9e9afd9782d5d87f3266f10
ripemd-160 bfab4c528f5644efe8b5f683fefb076facbf6bd1

128968 as geometric shapes

Circle

Radius = n
Diameter 257936
Circumference 810329.84269634
Area 52253309576.431

Sphere

Radius = n
Volume 8.9853397726041E+15
Surface area 209013238305.72
Circumference 810329.84269634

Square

Length = n
Perimeter 515872
Area 16632745024
Diagonal 182388.29471213

Cube

Length = n
Surface area 99796470144
Volume 2145091860255232
Space diagonal 223379.12855054

Equilateral Triangle

Length = n
Perimeter 386904
Area 7202189862.7266
Altitude 111689.56427527

Triangular Pyramid

Length = n
Surface area 7202189862.7266
Volume 2.5280150010909E+14
Height 60796.098237378