129845 (number)

129845 is an odd 6-digits composite number following 129844 and preceding 129846. In scientific notation, it is written as 1.29845 × 10^5. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 103872 positive integers (up to 129845) that are relatively prime to 129845.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29845 × 10^5
Engineering notation 1.29845 × 10^3

Prime Factorization of 129845

Prime Factorization 5 × 25969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129845
Product of the distinct prime numbers

The prime factorization of 129845 is 5 × 25969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129845)

Multiplication

n×y
n×2 259690
n×3 389535
n×4 519380
n×5 649225

Division

n÷y
n÷2 64922.5
n÷3 43281.666666667
n÷3 32461.25
n÷5 25969

Exponentiation

ny
n2 16859724025
n3 2189150866026125
n4 2.8425029419916E+20
n5 3.690847945029E+25

Nth Root

y√n
2√n 360.3401171116
3√n 50.637828888165
4√n 18.982626717912
5√n 10.536225237172

Divisors of 129845

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 -129844
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 129845 can be divided by 4 positive divisors. The sum of these divisors (counting 129845) is 1, the average is 0.25.

Base conversion 129845

Base System Value
2 Binary 11111101100110101
3 Ternary 20121010002
4 Quaternary 133230311
5 Quinary 13123340
6 Senary 2441045
8 Octal 375465
10 Decimal 129845
12 Duodecimal 63185
16 Hexadecimal 1fb35
20 Vigesimal g4c5
36 Base36 2s6t

Cryptographic Hash Functions

md5 d521a075b964e28fc42add0041f71424
sha1 0ebc2b346afe762b0f1b7deb0916df67512b2d08
sha256 d79b47e4ae7b709b207b593e2c691fc52784d42df83fce3319b546a96e475715
sha512 96ce56bfb6ccbb647787e7a87fcee2b55ca9c997e4e0fc5777f5ded6a4861f9dea07bc15bf7fa4dbd7f269bd48d7ceeb796c71e5026233f6b62bf5887e46e09e
ripemd-160 8719563d6463144492df3c3be6acc78e27d08eb1

129845 as geometric shapes

Circle

Radius = n
Diameter 259690
Circumference 815840.19621073
Area 52966385138.491

Sphere

Radius = n
Volume 9.1698937044099E+15
Surface area 211865540553.97
Circumference 815840.19621073

Square

Length = n
Perimeter 519380
Area 16859724025
Diagonal 183628.56000633

Cube

Length = n
Surface area 101158344150
Volume 2189150866026125
Space diagonal 224898.13710878

Equilateral Triangle

Length = n
Perimeter 389535
Area 7300474653.2224
Altitude 112449.06855439

Triangular Pyramid

Length = n
Surface area 7300474653.2224
Volume 2.5799390373458E+14
Height 61209.520002112