128538272 (number)

128538272 is an even 9-digits composite number following 128538271 and preceding 128538273. In scientific notation, it is written as 1.28538272 × 10^8. The sum of its digits is 38. It has a total of 7 prime factors and 24 positive divisors. There are 64158912 positive integers (up to 128538272) that are relatively prime to 128538272.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28538272 × 10^8
Engineering notation 1.28538272 × 10^6

Prime Factorization of 128538272

Prime Factorization 2 × 2 × 2 × 2 × 2 × 643 × 6247

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 8033642
Product of the distinct prime numbers

The prime factorization of 128538272 is 2 × 2 × 2 × 2 × 2 × 643 × 6247. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128538272)

Multiplication

n×y
n×2 257076544
n×3 385614816
n×4 514153088
n×5 642691360

Division

n÷y
n÷2 64269136
n÷3 42846090.666667
n÷3 32134568
n÷5 25707654.4

Exponentiation

ny
n2 16522087368745984
n3 2.1237205602116E+24
n4 2.7297937102048E+32
n5 3.5088296642619E+40

Nth Root

y√n
2√n 11337.472028631
3√n 504.67386974854
4√n 106.47756584667
5√n 41.860700486426

Divisors of 128538272

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128538271
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128538272 can be divided by 24 positive divisors. The sum of these divisors (counting 128538272) is 1, the average is 0.041666666666667.

Base conversion 128538272

Base System Value
2 Binary 111101010010101011010100000
3 Ternary 22221212102100202
4 Quaternary 13222111122200
5 Quinary 230401211042
6 Senary 20431004332
8 Octal 752253240
10 Decimal 128538272
12 Duodecimal 370696a8
16 Hexadecimal 7a956a0
20 Vigesimal 20375dc
36 Base36 24j0rk

Cryptographic Hash Functions

md5 48f6d79afe64e263789ac632439a5e95
sha1 737c1333bddaa01c244931d7199032085bb21015
sha256 8f8a685627a16be04f6dbc8841dcfc6aaf4c2315e34569589550ed4a4ddbb919
sha512 e949d9e51199afb8699619e2afdfe4f06eab6da3e9f8131dcb622a9cde506a9d4168df0811970410d8dc0c0e0352526a38840e01cd7e4c1a72dd541175ad1617
ripemd-160 4326a434a256b2cb87c581f9ab239eb52c767303

128538272 as geometric shapes

Circle

Radius = n
Diameter 257076544
Circumference 807629782.04065
Area 5.1905668299621E+16

Sphere

Radius = n
Volume 8.895819880318E+24
Surface area 2.0762267319848E+17
Circumference 807629782.04065

Square

Length = n
Perimeter 514153088
Area 16522087368745984
Diagonal 181780567.5464

Cube

Length = n
Surface area 99132524212475904
Volume 2.1237205602116E+24
Space diagonal 222634817.82111

Equilateral Triangle

Length = n
Perimeter 385614816
Area 7.15427369244E+15
Altitude 111317408.91055

Triangular Pyramid

Length = n
Surface area 7.15427369244E+15
Volume 2.5028286824516E+23
Height 60593522.515467