129509942 (number)

129509942 is an even 9-digits composite number following 129509941 and preceding 129509943. In scientific notation, it is written as 1.29509942 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 64754970 positive integers (up to 129509942) that are relatively prime to 129509942.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29509942 × 10^8
Engineering notation 1.29509942 × 10^6

Prime Factorization of 129509942

Prime Factorization 2 × 64754971

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129509942
Product of the distinct prime numbers

The prime factorization of 129509942 is 2 × 64754971. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129509942)

Multiplication

n×y
n×2 259019884
n×3 388529826
n×4 518039768
n×5 647549710

Division

n÷y
n÷2 64754971
n÷3 43169980.666667
n÷3 32377485.5
n÷5 25901988.4

Exponentiation

ny
n2 16772825076843364
n3 2.1722476028781E+24
n4 2.8132766105839E+32
n5 3.6434729066667E+40

Nth Root

y√n
2√n 11380.243494759
3√n 505.9423531009
4√n 106.67822408889
5√n 41.923798193595

Divisors of 129509942

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 -129509941
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 129509942 can be divided by 4 positive divisors. The sum of these divisors (counting 129509942) is 1, the average is 0.25.

Base conversion 129509942

Base System Value
2 Binary 111101110000010101000110110
3 Ternary 100000200210020112
4 Quaternary 13232002220312
5 Quinary 231123304232
6 Senary 20503503022
8 Octal 756025066
10 Decimal 129509942
12 Duodecimal 37457a72
16 Hexadecimal 7b82a36
20 Vigesimal 2098eh2
36 Base36 253uie

Cryptographic Hash Functions

md5 a76f9487ad638b71174832dcca908765
sha1 1a8d2a86665668d18a5914d2d516c779ecd1c78e
sha256 0e26c9dce95119249dc63fa1f929c29c2b259f0092107721da4bae6a48f8dc18
sha512 328ce03b81be0a49802ae129d208ebd3d073c0ced4bcaea8b92500ed1d235cb5144b7fb1f1ff3f6a73fdede84a5a078376e54657a690f4511b3c31f7c42cd173
ripemd-160 ee912eb843979b705be8238532fd06850043f223

129509942 as geometric shapes

Circle

Radius = n
Diameter 259019884
Circumference 813734964.70808
Area 5.2693384041358E+16

Sphere

Radius = n
Volume 9.0990894813066E+24
Surface area 2.1077353616543E+17
Circumference 813734964.70808

Square

Length = n
Perimeter 518039768
Area 16772825076843364
Diagonal 183154716.43855

Cube

Length = n
Surface area 100636950461060184
Volume 2.1722476028781E+24
Space diagonal 224317799.6293

Equilateral Triangle

Length = n
Perimeter 388529826
Area 7.2628463048895E+15
Altitude 112158899.81465

Triangular Pyramid

Length = n
Surface area 7.2628463048895E+15
Volume 2.5600183506856E+23
Height 61051572.146184