123128081 (number)

123128081 is an odd 9-digits composite number following 123128080 and preceding 123128082. In scientific notation, it is written as 1.23128081 × 10^8. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 122372532 positive integers (up to 123128081) that are relatively prime to 123128081.

Interesting facts

Basic properties

Name

Name one hundred twenty-three million one hundred twenty-eight thousand eighty-one

Notation

Scientific notation 1.23128081 × 10^8
Engineering notation 1.23128081 × 10^6

Prime Factorization of 123128081

Prime Factorization 163 × 755387

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 123128081
Product of the distinct prime numbers

The prime factorization of 123128081 is 163 × 755387. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 123128081)

Multiplication

n×y
n×2 246256162
n×3 369384243
n×4 492512324
n×5 615640405

Division

n÷y
n÷2 61564040.5
n÷3 41042693.666667
n÷3 30782020.25
n÷5 24625616.2

Exponentiation

ny
n2 15160524330742561
n3 1.8666862677981E+24
n4 2.2984149798304E+32
n5 2.8299942580817E+40

Nth Root

y√n
2√n 11096.309341398
3√n 497.4915443459
4√n 105.33902098177
5√n 41.502228977634

Divisors of 123128081

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 -123128080
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 123128081 can be divided by 4 positive divisors. The sum of these divisors (counting 123128081) is 1, the average is 0.25.

Base conversion 123128081

Base System Value
2 Binary 111010101101100100100010001
3 Ternary 22120200112222022
4 Quaternary 13111230210101
5 Quinary 223010044311
6 Senary 20115021225
8 Octal 725544421
10 Decimal 123128081
12 Duodecimal 3529a815
16 Hexadecimal 756c911
20 Vigesimal 1i9b041
36 Base36 21b28h

Cryptographic Hash Functions

md5 dd764dded90ee2e790688d07067f8c98
sha1 a323160a4588401f5d6be0501d54a04d841ec18e
sha256 e88c3576f175eb62d2069499cbf05b3ce14ad843f9d45a4f01f4d193beafede3
sha512 51b625cbf41cc40a671cc496d22809931d207b3d0bad5e13a7865db3216e362ccb277bcc2178dccb66a6ec89285864fbfb0eff074d0b22b904eb1fbecda9bb55
ripemd-160 50cca095cef0206d6bcb567e46265a3573a65adf

123128081 as geometric shapes

Circle

Radius = n
Diameter 246256162
Circumference 773636549.44042
Area 4.762819186203E+16

Sphere

Radius = n
Volume 7.8191571539621E+24
Surface area 1.9051276744812E+17
Circumference 773636549.44042

Square

Length = n
Perimeter 492512324
Area 15160524330742561
Diagonal 174129402.05917

Cube

Length = n
Surface area 90963145984455366
Volume 1.8666862677981E+24
Space diagonal 213264092.13046

Equilateral Triangle

Length = n
Perimeter 369384243
Area 6.5646996025576E+15
Altitude 106632046.06523

Triangular Pyramid

Length = n
Surface area 6.5646996025576E+15
Volume 2.1999108638465E+23
Height 58043134.019724