129728430 (number)

129728430 is an even 9-digits composite number following 129728429 and preceding 129728431. In scientific notation, it is written as 1.29728430 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 31932864 positive integers (up to 129728430) that are relatively prime to 129728430.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29728430 × 10^8
Engineering notation 1.29728430 × 10^6

Prime Factorization of 129728430

Prime Factorization 2 × 45 × 13 × 110879

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129728430
Product of the distinct prime numbers

The prime factorization of 129728430 is 2 × 45 × 13 × 110879. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 10, 61, 7, 801, 594, 9816, 6725, 79798, 92076, 927926, 992026, 8416741, 3586853, 40908468, 86865327, 896072591, 495983685, 6837751023, 1092901263

Basic calculations (n = 129728430)

Multiplication

n×y
n×2 259456860
n×3 389185290
n×4 518913720
n×5 648642150

Division

n÷y
n÷2 64864215
n÷3 43242810
n÷3 32432107.5
n÷5 25945686

Exponentiation

ny
n2 16829465550264900
n3 2.183260143575E+24
n4 2.8323091070755E+32
n5 3.6743101373561E+40

Nth Root

y√n
2√n 11389.838892627
3√n 506.22670766177
4√n 106.72318816746
5√n 41.937934053328

Divisors of 129728430

1, 2, 13, 26, 45, 90, 585, 1170, 110879, 221758, 1441427, 2882854, 4989555, 9979110, 64864215, 129728430

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129728429
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129728430 can be divided by 16 positive divisors. The sum of these divisors (counting 129728430) is 1, the average is 0.0625.

Base conversion 129728430

Base System Value
2 Binary 111101110110111111110101110
3 Ternary 100001002212221200
4 Quaternary 13232313332232
5 Quinary 231202302210
6 Senary 20512310330
8 Octal 756677656
10 Decimal 129728430
12 Duodecimal 375423a6
16 Hexadecimal 7bb7fae
20 Vigesimal 20ag11a
36 Base36 258j3i

Cryptographic Hash Functions

md5 48734f7985baf6fe327c42b7b6f5a8ec
sha1 8f9b09d3a2e9df23aa9bd16e74f0ab3add4c5a23
sha256 9c5ea6b063a3aa6f8dffd7c983957030c872301175cca784a36ef66010b7a8e4
sha512 81072adc886c186549a2a7f0dedfebef08e1358007ca6406c903228be0148a3165aa23aece06b330c0012ff1a269fa3a577d23cf6dc1ae4e978d8e4aefcef58c
ripemd-160 36bb552d2d4ba04fb5c1c6eb47ceb8f3a3e99a76

129728430 as geometric shapes

Circle

Radius = n
Diameter 259456860
Circumference 815107765.29948
Area 5.2871325336555E+16

Sphere

Radius = n
Volume 9.1452187039073E+24
Surface area 2.1148530134622E+17
Circumference 815107765.29948

Square

Length = n
Perimeter 518913720
Area 16829465550264900
Diagonal 183463705.13137

Cube

Length = n
Surface area 100976793301589400
Volume 2.183260143575E+24
Space diagonal 224696231.94614

Equilateral Triangle

Length = n
Perimeter 389185290
Area 7.2873723493222E+15
Altitude 112348115.97307

Triangular Pyramid

Length = n
Surface area 7.2873723493222E+15
Volume 2.5729967543603E+23
Height 61154568.377123