129121142 (number)

129121142 is an even 9-digits composite number following 129121141 and preceding 129121143. In scientific notation, it is written as 1.29121142 × 10^8. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 64560570 positive integers (up to 129121142) that are relatively prime to 129121142.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29121142 × 10^8
Engineering notation 1.29121142 × 10^6

Prime Factorization of 129121142

Prime Factorization 2 × 64560571

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129121142
Product of the distinct prime numbers

The prime factorization of 129121142 is 2 × 64560571. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 1, 45, 3, 604, 327, 5185, 259, 53839, 67415, 4911, 305892, 3522701, 6458737, 64514725, 13003816, 553484873, 714878593, 7122744843, 2088130564

Basic calculations (n = 129121142)

Multiplication

n×y
n×2 258242284
n×3 387363426
n×4 516484568
n×5 645605710

Division

n÷y
n÷2 64560571
n÷3 43040380.666667
n÷3 32280285.5
n÷5 25824228.4

Exponentiation

ny
n2 16672269311384164
n3 2.1527424532175E+24
n4 2.7796456399132E+32
n5 3.5891101938092E+40

Nth Root

y√n
2√n 11363.148419342
3√n 505.43555143511
4√n 106.59806949163
5√n 41.898596141326

Divisors of 129121142

1, 2, 64560571, 129121142

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 -129121141
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 129121142 can be divided by 4 positive divisors. The sum of these divisors (counting 129121142) is 1, the average is 0.25.

Base conversion 129121142

Base System Value
2 Binary 111101100100011101101110110
3 Ternary 22222222000220112
4 Quaternary 13230203231312
5 Quinary 231023334032
6 Senary 20451303022
8 Octal 754435566
10 Decimal 129121142
12 Duodecimal 372aaa72
16 Hexadecimal 7b23b76
20 Vigesimal 20702h2
36 Base36 24viie

Cryptographic Hash Functions

md5 9499879fc6e0d07310937ea647947ac4
sha1 cc1f020d873a465b603741bd16f99664358c75e7
sha256 181f2191e9f0906ae11226b7af4b152332dbf261b7a9ab715f16ac202d0e3480
sha512 d10a046c9c3c2a7ef1ef5f0cdb46cd1486ad9d377f18cc3f0fc9b1cb18601bbd4097796aa97bd386c8fdb3a9feda6e84bc5f81e56e2e1e9a45bf412f0a6ecc81
ripemd-160 d80e69c7459937002a90f220efcb8f5bb2ff1148

129121142 as geometric shapes

Circle

Radius = n
Diameter 258242284
Circumference 811292062.26065
Area 5.2377478787315E+16

Sphere

Radius = n
Volume 9.0173865014652E+24
Surface area 2.0950991514926E+17
Circumference 811292062.26065

Square

Length = n
Perimeter 516484568
Area 16672269311384164
Diagonal 182604870.2055

Cube

Length = n
Surface area 100033615868304984
Volume 2.1527424532175E+24
Space diagonal 223644378.27532

Equilateral Triangle

Length = n
Perimeter 387363426
Area 7.2193043811972E+15
Altitude 111822189.13766

Triangular Pyramid

Length = n
Surface area 7.2193043811972E+15
Volume 2.5370313113637E+23
Height 60868290.068501