129728424 (number)

129728424 is an even 9-digits composite number following 129728423 and preceding 129728425. In scientific notation, it is written as 1.29728424 × 10^8. The sum of its digits is 39. It has a total of 7 prime factors and 64 positive divisors. There are 36864000 positive integers (up to 129728424) that are relatively prime to 129728424.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred twenty-eight thousand four hundred twenty-four

Notation

Scientific notation 1.29728424 × 10^8
Engineering notation 1.29728424 × 10^6

Prime Factorization of 129728424

Prime Factorization 2 × 2 × 2 × 3 × 7 × 193 × 4001

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 32432106
Product of the distinct prime numbers

The prime factorization of 129728424 is 2 × 2 × 2 × 3 × 7 × 193 × 4001. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129728424)

Multiplication

n×y
n×2 259456848
n×3 389185272
n×4 518913696
n×5 648642120

Division

n÷y
n÷2 64864212
n÷3 43242808
n÷3 32432106
n÷5 25945684.8

Exponentiation

ny
n2 16829463993523776
n3 2.1832598406446E+24
n4 2.8323085830931E+32
n5 3.6743092876635E+40

Nth Root

y√n
2√n 11389.838629234
3√n 506.22669985736
4√n 106.72318693346
5√n 41.937933665398

Divisors of 129728424

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129728423
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129728424 can be divided by 64 positive divisors. The sum of these divisors (counting 129728424) is 1, the average is 0.015625.

Base conversion 129728424

Base System Value
2 Binary 111101110110111111110101000
3 Ternary 100001002212221110
4 Quaternary 13232313332220
5 Quinary 231202302144
6 Senary 20512310320
8 Octal 756677650
10 Decimal 129728424
12 Duodecimal 375423a0
16 Hexadecimal 7bb7fa8
20 Vigesimal 20ag114
36 Base36 258j3c

Cryptographic Hash Functions

md5 32f14f00d2d84923d6ccc4cac280684a
sha1 5534418820e04867e5f6a958f8e7b572b32d5058
sha256 a0201d10b5bdaa2cacc2dff431b15379fd0475806079b3be7b88f7afa34e43f2
sha512 efd39dffd1ce6b12fe86c9d023d14df6ae8e42fefc5645f46c4663f542639e935b1a56de63ee1bad67a060dc689d0bf30ccbc4b1bb5176e17e4e1875c48b80a7
ripemd-160 9ce50829471dc16c3b51f685da5dc1e5e09b3d4a

129728424 as geometric shapes

Circle

Radius = n
Diameter 259456848
Circumference 815107727.60036
Area 5.2871320445908E+16

Sphere

Radius = n
Volume 9.1452174349955E+24
Surface area 2.1148528178363E+17
Circumference 815107727.60036

Square

Length = n
Perimeter 518913696
Area 16829463993523776
Diagonal 183463696.64609

Cube

Length = n
Surface area 100976783961142656
Volume 2.1832598406446E+24
Space diagonal 224696221.55384

Equilateral Triangle

Length = n
Perimeter 389185272
Area 7.2873716752335E+15
Altitude 112348110.77692

Triangular Pyramid

Length = n
Surface area 7.2873716752335E+15
Volume 2.5729963973534E+23
Height 61154565.548696