128385268 (number)

128385268 is an even 9-digits composite number following 128385267 and preceding 128385269. In scientific notation, it is written as 1.28385268 × 10^8. The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors. There are 56932800 positive integers (up to 128385268) that are relatively prime to 128385268.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million three hundred eighty-five thousand two hundred sixty-eight

Notation

Scientific notation 1.28385268 × 10^8
Engineering notation 1.28385268 × 10^6

Prime Factorization of 128385268

Prime Factorization 2 × 2 × 11 × 41 × 71167

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 64192634
Product of the distinct prime numbers

The prime factorization of 128385268 is 2 × 2 × 11 × 41 × 71167. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128385268)

Multiplication

n×y
n×2 256770536
n×3 385155804
n×4 513541072
n×5 641926340

Division

n÷y
n÷2 64192634
n÷3 42795089.333333
n÷3 32096317
n÷5 25677053.6

Exponentiation

ny
n2 16482777039431824
n3 2.1161457475917E+24
n4 2.7168193893162E+32
n5 3.4879958540496E+40

Nth Root

y√n
2√n 11330.722307073
3√n 504.47354606802
4√n 106.44586561757
5√n 41.850730060849

Divisors of 128385268

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 -128385267
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 128385268 can be divided by 24 positive divisors. The sum of these divisors (counting 128385268) is 1, the average is 0.041666666666667.

Base conversion 128385268

Base System Value
2 Binary 111101001110000000011110100
3 Ternary 22221120122110221
4 Quaternary 13221300003310
5 Quinary 230331312033
6 Senary 20423424124
8 Octal 751600364
10 Decimal 128385268
12 Duodecimal 36bb5044
16 Hexadecimal 7a700f4
20 Vigesimal 2028338
36 Base36 24fqpg

Cryptographic Hash Functions

md5 3044b8af7ea7adc947ef748004f59880
sha1 354463e033729a82cc0aeb1224f606591d62ac26
sha256 b7dba6b358dcdabaa024c3b5f818e2cf4b21f0eede6c24a1ae479219f2b8e831
sha512 317aed00d1a7e0d515001edaa3265387da180905f63fae1c05100872536e318dec2b4895570adf828a38869d2eb6846cf5021dbdb9d0d58ba3d8323418304563
ripemd-160 17d864d1702868efc3078e85eba3b98c367775fd

128385268 as geometric shapes

Circle

Radius = n
Diameter 256770536
Circumference 806668429.55591
Area 5.1782171257838E+16

Sphere

Radius = n
Volume 8.8640905794125E+24
Surface area 2.0712868503135E+17
Circumference 806668429.55591

Square

Length = n
Perimeter 513541072
Area 16482777039431824
Diagonal 181564187.2145

Cube

Length = n
Surface area 98896662236590944
Volume 2.1161457475917E+24
Space diagonal 222369807.11935

Equilateral Triangle

Length = n
Perimeter 385155804
Area 7.1372518205314E+15
Altitude 111184903.55967

Triangular Pyramid

Length = n
Surface area 7.1372518205314E+15
Volume 2.4939016801686E+23
Height 60521395.738168