129128042 (number)

129128042 is an even 9-digits composite number following 129128041 and preceding 129128043. In scientific notation, it is written as 1.29128042 × 10^8. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 64279372 positive integers (up to 129128042) that are relatively prime to 129128042.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29128042 × 10^8
Engineering notation 1.29128042 × 10^6

Prime Factorization of 129128042

Prime Factorization 2 × 227 × 284423

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129128042
Product of the distinct prime numbers

The prime factorization of 129128042 is 2 × 227 × 284423. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 2, 89, 42, 622, 674, 4791, 9752, 91022, 60972, 937917, 972385, 9405554, 8972803, 26673341, 23169616, 609357085, 75645371, 1820754181, 584373601

Basic calculations (n = 129128042)

Multiplication

n×y
n×2 258256084
n×3 387384126
n×4 516512168
n×5 645640210

Division

n÷y
n÷2 64564021
n÷3 43042680.666667
n÷3 32282010.5
n÷5 25825608.4

Exponentiation

ny
n2 16674051230753764
n3 2.1530875876349E+24
n4 2.780239844458E+32
n5 3.5900692740525E+40

Nth Root

y√n
2√n 11363.452028323
3√n 505.4445544616
4√n 106.59949356504
5√n 41.899043928775

Divisors of 129128042

1, 2, 227, 454, 284423, 568846, 64564021, 129128042

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 -129128041
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 129128042 can be divided by 8 positive divisors. The sum of these divisors (counting 129128042) is 1, the average is 0.125.

Base conversion 129128042

Base System Value
2 Binary 111101100100101011001101010
3 Ternary 22222222101101002
4 Quaternary 13230211121222
5 Quinary 231024044132
6 Senary 20451355002
8 Octal 754453152
10 Decimal 129128042
12 Duodecimal 372b2a62
16 Hexadecimal 7b2566a
20 Vigesimal 2071022
36 Base36 24vnu2

Cryptographic Hash Functions

md5 d1b448c76f8db7aa805a8e10d63acd78
sha1 a0ad7eb743fb328c9748f28b09de26a5c3845bcc
sha256 a76cb0192f9315368a4ec42332dcf847df6e5dbcf019781128c104a244028ea3
sha512 c2d8629e46a5614928ae51270a0ce27a8a2137fef6e5aafc865a99a2e97e63bed87545c0510b53c002c9ff963123817481bc1008ca809a6fa32bccf6ca256ebc
ripemd-160 1688e7d3761da1e939cae001ffde064f12ddfa53

129128042 as geometric shapes

Circle

Radius = n
Diameter 258256084
Circumference 811335416.23927
Area 5.2383076852116E+16

Sphere

Radius = n
Volume 9.0188321971323E+24
Surface area 2.0953230740846E+17
Circumference 811335416.23927

Square

Length = n
Perimeter 516512168
Area 16674051230753764
Diagonal 182614628.27908

Cube

Length = n
Surface area 100044307384522584
Volume 2.1530875876349E+24
Space diagonal 223656329.42589

Equilateral Triangle

Length = n
Perimeter 387384126
Area 7.220075974918E+15
Altitude 111828164.71294

Triangular Pyramid

Length = n
Surface area 7.220075974918E+15
Volume 2.5374380561754E+23
Height 60871542.759694