129389438 (number)

129389438 is an even 9-digits composite number following 129389437 and preceding 129389439. In scientific notation, it is written as 1.29389438 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 64694718 positive integers (up to 129389438) that are relatively prime to 129389438.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million three hundred eighty-nine thousand four hundred thirty-eight

Notation

Scientific notation 1.29389438 × 10^8
Engineering notation 1.29389438 × 10^6

Prime Factorization of 129389438

Prime Factorization 2 × 64694719

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129389438
Product of the distinct prime numbers

The prime factorization of 129389438 is 2 × 64694719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 5, 3, 52, 334, 381, 4493, 3575, 81629, 98530, 377564, 161860, 2470593, 3720362, 67897119, 69554442, 89966955, 145955747, 1897517349, 6987635741

Basic calculations (n = 129389438)

Multiplication

n×y
n×2 258778876
n×3 388168314
n×4 517557752
n×5 646947190

Division

n÷y
n÷2 64694719
n÷3 43129812.666667
n÷3 32347359.5
n÷5 25877887.6

Exponentiation

ny
n2 16741626665955844
n3 2.1661896655138E+24
n4 2.8028206342224E+32
n5 3.6265538667684E+40

Nth Root

y√n
2√n 11374.947824056
3√n 505.78538446555
4√n 106.65340043363
5√n 41.915993593236

Divisors of 129389438

1, 2, 64694719, 129389438

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 -129389437
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 129389438 can be divided by 4 positive divisors. The sum of these divisors (counting 129389438) is 1, the average is 0.25.

Base conversion 129389438

Base System Value
2 Binary 111101101100101001101111110
3 Ternary 100000110122221102
4 Quaternary 13231211031332
5 Quinary 231110430223
6 Senary 20501133102
8 Octal 755451576
10 Decimal 129389438
12 Duodecimal 373ba192
16 Hexadecimal 7b6537e
20 Vigesimal 208ddbi
36 Base36 2519j2

Cryptographic Hash Functions

md5 7025ca7b59c6b8e94b43614a59c1d959
sha1 c269c6d625e1900409ef98b393ada91596838843
sha256 a7206eacf2608c4b272b102b939b284ed9a9419a7a1fb060e77c141232a8f97e
sha512 caaa8d6d707d75e1e28cf8373ac0909a208056e51e209fd4c0a3f21e62c011b19ec5f8903c2a6c33bb717de1b8af739dde8a76d11e7b861af3abfa8610d727f0
ripemd-160 7194a8d08d9ce29fed1f5b562e90bb37c40468db

129389438 as geometric shapes

Circle

Radius = n
Diameter 258778876
Circumference 812977815.74582
Area 5.259537134291E+16

Sphere

Radius = n
Volume 9.0737140526139E+24
Surface area 2.1038148537164E+17
Circumference 812977815.74582

Square

Length = n
Perimeter 517557752
Area 16741626665955844
Diagonal 182984298.04743

Cube

Length = n
Surface area 100449759995735064
Volume 2.1661896655138E+24
Space diagonal 224109080.57878

Equilateral Triangle

Length = n
Perimeter 388168314
Area 7.2493369966964E+15
Altitude 112054540.28939

Triangular Pyramid

Length = n
Surface area 7.2493369966964E+15
Volume 2.5528790030351E+23
Height 60994766.015811