129728426 (number)

129728426 is an even 9-digits composite number following 129728425 and preceding 129728427. In scientific notation, it is written as 1.29728426 × 10^8. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 62627488 positive integers (up to 129728426) that are relatively prime to 129728426.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29728426 × 10^8
Engineering notation 1.29728426 × 10^6

Prime Factorization of 129728426

Prime Factorization 2 × 29 × 2236697

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129728426
Product of the distinct prime numbers

The prime factorization of 129728426 is 2 × 29 × 2236697. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 1, 18, 90, 831, 324, 5343, 2515, 87839, 6968, 35829, 801499, 4494560, 9494276, 52752267, 36257972, 734344703, 660159060, 1891905105, 6695363682

Basic calculations (n = 129728426)

Multiplication

n×y
n×2 259456852
n×3 389185278
n×4 518913704
n×5 648642130

Division

n÷y
n÷2 64864213
n÷3 43242808.666667
n÷3 32432106.5
n÷5 25945685.2

Exponentiation

ny
n2 16829464512437476
n3 2.1832599416214E+24
n4 2.8323087577539E+32
n5 3.6743095708943E+40

Nth Root

y√n
2√n 11389.838717032
3√n 506.22670245883
4√n 106.72318734479
5√n 41.937933794708

Divisors of 129728426

1, 2, 29, 58, 2236697, 4473394, 64864213, 129728426

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129728425
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129728426 can be divided by 8 positive divisors. The sum of these divisors (counting 129728426) is 1, the average is 0.125.

Base conversion 129728426

Base System Value
2 Binary 111101110110111111110101010
3 Ternary 100001002212221112
4 Quaternary 13232313332222
5 Quinary 231202302201
6 Senary 20512310322
8 Octal 756677652
10 Decimal 129728426
12 Duodecimal 375423a2
16 Hexadecimal 7bb7faa
20 Vigesimal 20ag116
36 Base36 258j3e

Cryptographic Hash Functions

md5 e061862eb7e7a12815f7c22252dbab38
sha1 8b032a3f7703c4306939d1b146e24aa9250a3812
sha256 3fadc562170d74519275123773c18e5d9ad83d40e8e6279cd8ded56928df73cd
sha512 82bcfba8c24d45263e733655b15c9a0d7607b51e5a002c467994b955de30ed4773738ac7b7c978b8926b5051e92f7c0562bd28c00db3fc5e41197253f4d36558
ripemd-160 cef92d55575d51daf2d29c833a47b158027f9f88

129728426 as geometric shapes

Circle

Radius = n
Diameter 259456852
Circumference 815107740.16673
Area 5.2871322076124E+16

Sphere

Radius = n
Volume 9.1452178579661E+24
Surface area 2.1148528830449E+17
Circumference 815107740.16673

Square

Length = n
Perimeter 518913704
Area 16829464512437476
Diagonal 183463699.47451

Cube

Length = n
Surface area 100976787074624856
Volume 2.1832599416214E+24
Space diagonal 224696225.01794

Equilateral Triangle

Length = n
Perimeter 389185278
Area 7.2873718999298E+15
Altitude 112348112.50897

Triangular Pyramid

Length = n
Surface area 7.2873718999298E+15
Volume 2.5729965163557E+23
Height 61154566.491505