129136978 (number)

129136978 is an even 9-digits composite number following 129136977 and preceding 129136979. In scientific notation, it is written as 1.29136978 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 64568488 positive integers (up to 129136978) that are relatively prime to 129136978.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred thirty-six thousand nine hundred seventy-eight

Notation

Scientific notation 1.29136978 × 10^8
Engineering notation 1.29136978 × 10^6

Prime Factorization of 129136978

Prime Factorization 2 × 64568489

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129136978
Product of the distinct prime numbers

The prime factorization of 129136978 is 2 × 64568489. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129136978)

Multiplication

n×y
n×2 258273956
n×3 387410934
n×4 516547912
n×5 645684890

Division

n÷y
n÷2 64568489
n÷3 43045659.333333
n÷3 32284244.5
n÷5 25827395.6

Exponentiation

ny
n2 16676359086972484
n3 2.1535346165345E+24
n4 2.7810095239765E+32
n5 3.5913116571554E+40

Nth Root

y√n
2√n 11363.845211899
3√n 505.45621355667
4√n 106.60133775849
5√n 41.899623817523

Divisors of 129136978

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 -129136977
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 129136978 can be divided by 4 positive divisors. The sum of these divisors (counting 129136978) is 1, the average is 0.25.

Base conversion 129136978

Base System Value
2 Binary 111101100100111100101010010
3 Ternary 22222222211122001
4 Quaternary 13230213211102
5 Quinary 231024340403
6 Senary 20451504214
8 Octal 754474522
10 Decimal 129136978
12 Duodecimal 372b806a
16 Hexadecimal 7b27952
20 Vigesimal 207228i
36 Base36 24vuqa

Cryptographic Hash Functions

md5 fdfab6d1591d3c9ff0caffcde25f33ef
sha1 580f625ffaff9466962bc5211ecac4a81859645f
sha256 0a4ae3aed9b3145813ab7e98cc5aaadde385c9c27c1fc9af408f422112101ed4
sha512 c40d8d8affd8843b5c7569c83707dea9d35ba5676e7a5a2a0442390cdc74a8d8d657397965c3ba49be6e924a7c2d46c73c38639c995ff0ae9fa186e92e0ee32f
ripemd-160 40e5a8be3089ed71bb30238e252b3b9407bd651a

129136978 as geometric shapes

Circle

Radius = n
Diameter 258273956
Circumference 811391562.78317
Area 5.2390327196258E+16

Sphere

Radius = n
Volume 9.020704707408E+24
Surface area 2.0956130878503E+17
Circumference 811391562.78317

Square

Length = n
Perimeter 516547912
Area 16676359086972484
Diagonal 182627265.69148

Cube

Length = n
Surface area 100058154521834904
Volume 2.1535346165345E+24
Space diagonal 223671807.0319

Equilateral Triangle

Length = n
Perimeter 387410934
Area 7.2210753059748E+15
Altitude 111835903.51595

Triangular Pyramid

Length = n
Surface area 7.2210753059748E+15
Volume 2.5379648847858E+23
Height 60875755.230492