129442857 (number)

129442857 is an odd 9-digits composite number following 129442856 and preceding 129442858. In scientific notation, it is written as 1.29442857 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 84288288 positive integers (up to 129442857) that are relatively prime to 129442857.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million four hundred forty-two thousand eight hundred fifty-seven

Notation

Scientific notation 1.29442857 × 10^8
Engineering notation 1.29442857 × 10^6

Prime Factorization of 129442857

Prime Factorization 3 × 43 × 1003433

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129442857
Product of the distinct prime numbers

The prime factorization of 129442857 is 3 × 43 × 1003433. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 18, 64, 766, 422, 1863, 8178, 22205, 72343, 917029, 861918, 7494174, 55233, 42321371, 37005731, 855222269, 469473304, 4645552047, 5143849666

Basic calculations (n = 129442857)

Multiplication

n×y
n×2 258885714
n×3 388328571
n×4 517771428
n×5 647214285

Division

n÷y
n÷2 64721428.5
n÷3 43147619
n÷3 32360714.25
n÷5 25888571.4

Exponentiation

ny
n2 16755453228322449
n3 2.1688737362039E+24
n4 2.807452128865E+32
n5 3.6340462445102E+40

Nth Root

y√n
2√n 11377.295680433
3√n 505.85498013086
4√n 106.66440681142
5√n 41.919454062371

Divisors of 129442857

1, 3, 43, 129, 1003433, 3010299, 43147619, 129442857

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129442856
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129442857 can be divided by 8 positive divisors. The sum of these divisors (counting 129442857) is 1, the average is 0.125.

Base conversion 129442857

Base System Value
2 Binary 111101101110010010000101001
3 Ternary 100000120101012220
4 Quaternary 13231302100221
5 Quinary 231114132412
6 Senary 20502224253
8 Octal 755622051
10 Decimal 129442857
12 Duodecimal 37425089
16 Hexadecimal 7b72429
20 Vigesimal 209072h
36 Base36 252eqx

Cryptographic Hash Functions

md5 1c7e099d86b5a5276c4823ea30515a4f
sha1 11d20f02e1be9a933ea6d26496f7a9a1084ca5e7
sha256 10ae9bfb4d38ff569d93ccb6f5dd5e6fedccd0c0e57d518a8fc73f73c4c2718b
sha512 862492cfc2f5c4a3541aebeb930da0ca980d9e1632fbe4290a92d488cc56e4a107e30f72ec9eae09741ae8601429138de336455169b631c71abc87b526ff8ebd
ripemd-160 25b2067b46f17d8c505cccf409c674099366095d

129442857 as geometric shapes

Circle

Radius = n
Diameter 258885714
Circumference 813313457.22175
Area 5.2638808769665E+16

Sphere

Radius = n
Volume 9.0849570616295E+24
Surface area 2.1055523507866E+17
Circumference 813313457.22175

Square

Length = n
Perimeter 517771428
Area 16755453228322449
Diagonal 183059843.92172

Cube

Length = n
Surface area 100532719369934694
Volume 2.1688737362039E+24
Space diagonal 224201605.00087

Equilateral Triangle

Length = n
Perimeter 388328571
Area 7.2553240738246E+15
Altitude 112100802.50044

Triangular Pyramid

Length = n
Surface area 7.2553240738246E+15
Volume 2.5560422106787E+23
Height 61019947.973907