128520238 (number)

128520238 is an even 9-digits composite number following 128520237 and preceding 128520239. In scientific notation, it is written as 1.28520238 × 10^8. The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors. There are 47120640 positive integers (up to 128520238) that are relatively prime to 128520238.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred twenty thousand two hundred thirty-eight

Notation

Scientific notation 1.28520238 × 10^8
Engineering notation 1.28520238 × 10^6

Prime Factorization of 128520238

Prime Factorization 2 × 7 × 77 × 17 × 7013

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 128520238
Product of the distinct prime numbers

The prime factorization of 128520238 is 2 × 7 × 77 × 17 × 7013. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128520238)

Multiplication

n×y
n×2 257040476
n×3 385560714
n×4 514080952
n×5 642601190

Division

n÷y
n÷2 64260119
n÷3 42840079.333333
n÷3 32130059.5
n÷5 25704047.6

Exponentiation

ny
n2 16517451575576644
n3 2.1228268076466E+24
n4 2.7282620655152E+32
n5 3.5063688998638E+40

Nth Root

y√n
2√n 11336.676673523
3√n 504.65026662474
4√n 106.47383093288
5√n 41.859525804006

Divisors of 128520238

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128520237
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128520238 can be divided by 32 positive divisors. The sum of these divisors (counting 128520238) is 1, the average is 0.03125.

Base conversion 128520238

Base System Value
2 Binary 111101010010001000000101110
3 Ternary 22221211111121211
4 Quaternary 13222101000232
5 Quinary 230400121423
6 Senary 20430345034
8 Octal 752210056
10 Decimal 128520238
12 Duodecimal 3705b17a
16 Hexadecimal 7a9102e
20 Vigesimal 20350bi
36 Base36 24imum

Cryptographic Hash Functions

md5 2988e9eb1ed5a2313c3558919c89cfd7
sha1 a87ac8a6a98d62db6986417d91084e84c28ea69b
sha256 d12fbab117461867f7fe8f7be1edbdbbcdf400486d5ea53d251cb326e4ca39ec
sha512 7c54b244dc6e319608d52ee86a9fda51f0b58766d241e002ee966ff582aff17f8acc45dc3d56dd848a38ddb5bb8577fd9e7d9ddd163f7bdeda6a23ef31cc04c3
ripemd-160 d4edd97a01d0ec7868b7347765a6774355227d34

128520238 as geometric shapes

Circle

Radius = n
Diameter 257040476
Circumference 807516471.07682
Area 5.1891104525857E+16

Sphere

Radius = n
Volume 8.892076138328E+24
Surface area 2.0756441810343E+17
Circumference 807516471.07682

Square

Length = n
Perimeter 514080952
Area 16517451575576644
Diagonal 181755063.61902

Cube

Length = n
Surface area 99104709453459864
Volume 2.1228268076466E+24
Space diagonal 222603582.01684

Equilateral Triangle

Length = n
Perimeter 385560714
Area 7.1522663351143E+15
Altitude 111301791.00842

Triangular Pyramid

Length = n
Surface area 7.1522663351143E+15
Volume 2.5017753849525E+23
Height 60585021.206339