129968686 (number)

129968686 is an even 9-digits composite number following 129968685 and preceding 129968687. In scientific notation, it is written as 1.29968686 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 64984342 positive integers (up to 129968686) that are relatively prime to 129968686.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million nine hundred sixty-eight thousand six hundred eighty-six

Notation

Scientific notation 1.29968686 × 10^8
Engineering notation 1.29968686 × 10^6

Prime Factorization of 129968686

Prime Factorization 2 × 64984343

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129968686
Product of the distinct prime numbers

The prime factorization of 129968686 is 2 × 64984343. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129968686)

Multiplication

n×y
n×2 259937372
n×3 389906058
n×4 519874744
n×5 649843430

Division

n÷y
n÷2 64984343
n÷3 43322895.333333
n÷3 32492171.5
n÷5 25993737.2

Exponentiation

ny
n2 16891859340566596
n3 2.1954127625903E+24
n4 2.8533491198149E+32
n5 3.708460358016E+40

Nth Root

y√n
2√n 11400.380958547
3√n 506.53902419051
4√n 106.77256650726
5√n 41.953456301485

Divisors of 129968686

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129968685
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129968686 can be divided by 4 positive divisors. The sum of these divisors (counting 129968686) is 1, the average is 0.25.

Base conversion 129968686

Base System Value
2 Binary 111101111110010101000101110
3 Ternary 100001120002112001
4 Quaternary 13233302220232
5 Quinary 231232444221
6 Senary 20521402514
8 Octal 757625056
10 Decimal 129968686
12 Duodecimal 3763943a
16 Hexadecimal 7bf2a2e
20 Vigesimal 20c61e6
36 Base36 25doha

Cryptographic Hash Functions

md5 87ccc26b90f3d534ca07605f100972fe
sha1 083b6423e065b937ebac7c877ef2f3eaf8b053af
sha256 04e0b210fae1349b0adeacf47652a93f79ec3c471662bcd56a38dde98278bec9
sha512 f751e6a58645a33196f31c5b1e3d77b58595211b10f8119775116cf7b7a547899431abf83710b91bd2865c6b9bded61b8d53e7fe66958c4f7e42602c2740197b
ripemd-160 84b68805b6366b4985cfa01189494ae8c89f119e

129968686 as geometric shapes

Circle

Radius = n
Diameter 259937372
Circumference 816617338.26864
Area 5.3067341209796E+16

Sphere

Radius = n
Volume 9.1961234754011E+24
Surface area 2.1226936483918E+17
Circumference 816617338.26864

Square

Length = n
Perimeter 519874744
Area 16891859340566596
Diagonal 183803478.42501

Cube

Length = n
Surface area 101351156043399576
Volume 2.1954127625903E+24
Space diagonal 225112367.54497

Equilateral Triangle

Length = n
Perimeter 389906058
Area 7.3143896530421E+15
Altitude 112556183.77248

Triangular Pyramid

Length = n
Surface area 7.3143896530421E+15
Volume 2.5873187532184E+23
Height 61267826.14167