129128045 (number)

129128045 is an odd 9-digits composite number following 129128044 and preceding 129128046. In scientific notation, it is written as 1.29128045 × 10^8. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 103302432 positive integers (up to 129128045) that are relatively prime to 129128045.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred twenty-eight thousand forty-five

Notation

Scientific notation 1.29128045 × 10^8
Engineering notation 1.29128045 × 10^6

Prime Factorization of 129128045

Prime Factorization 5 × 25825609

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129128045
Product of the distinct prime numbers

The prime factorization of 129128045 is 5 × 25825609. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129128045)

Multiplication

n×y
n×2 258256090
n×3 387384135
n×4 516512180
n×5 645640225

Division

n÷y
n÷2 64564022.5
n÷3 43042681.666667
n÷3 32282011.25
n÷5 25825609

Exponentiation

ny
n2 16674052005522025
n3 2.1530877377014E+24
n4 2.7802401028285E+32
n5 3.5900696910885E+40

Nth Root

y√n
2√n 11363.452160325
3√n 505.44455837589
4√n 106.59949418419
5√n 41.899044123461

Divisors of 129128045

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 -129128044
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 129128045 can be divided by 4 positive divisors. The sum of these divisors (counting 129128045) is 1, the average is 0.25.

Base conversion 129128045

Base System Value
2 Binary 111101100100101011001101101
3 Ternary 22222222101101012
4 Quaternary 13230211121231
5 Quinary 231024044140
6 Senary 20451355005
8 Octal 754453155
10 Decimal 129128045
12 Duodecimal 372b2a65
16 Hexadecimal 7b2566d
20 Vigesimal 2071025
36 Base36 24vnu5

Cryptographic Hash Functions

md5 00b34f9e7b63cb9808cd31f0cfeb6bf7
sha1 0dc8ac5b26743a4b06a4521d7613c14ab4e36de8
sha256 a70d6fae494071bdabe31a325f7c228d22fba2702b3a157438666844b8dd7000
sha512 e9f203f8e338fd8f6bb7592e53eeb74c7a5553bd6f939460c1a36319bda31da3a655a1ca4cebca0411220390f4190b010f6dbf7717fdfa9c3bd8566f5aa09aa9
ripemd-160 af3033450a00fe0532f3a210e16b18ffa917c788

129128045 as geometric shapes

Circle

Radius = n
Diameter 258256090
Circumference 811335435.08882
Area 5.2383079286122E+16

Sphere

Radius = n
Volume 9.0188328257293E+24
Surface area 2.0953231714449E+17
Circumference 811335435.08882

Square

Length = n
Perimeter 516512180
Area 16674052005522025
Diagonal 182614632.52172

Cube

Length = n
Surface area 100044312033132150
Volume 2.1530877377014E+24
Space diagonal 223656334.62204

Equilateral Triangle

Length = n
Perimeter 387384135
Area 7.2200763104025E+15
Altitude 111828167.31102

Triangular Pyramid

Length = n
Surface area 7.2200763104025E+15
Volume 2.5374382330304E+23
Height 60871544.173908