128385255 (number)

128385255 is an odd 9-digits composite number following 128385254 and preceding 128385256. In scientific notation, it is written as 1.28385255 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 68472128 positive integers (up to 128385255) that are relatively prime to 128385255.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28385255 × 10^8
Engineering notation 1.28385255 × 10^6

Prime Factorization of 128385255

Prime Factorization 3 × 5 × 8559017

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128385255
Product of the distinct prime numbers

The prime factorization of 128385255 is 3 × 5 × 8559017. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128385255)

Multiplication

n×y
n×2 256770510
n×3 385155765
n×4 513541020
n×5 641926275

Division

n÷y
n÷2 64192627.5
n÷3 42795085
n÷3 32096313.75
n÷5 25677051

Exponentiation

ny
n2 16482773701415025
n3 2.1161451047635E+24
n4 2.7168182889206E+32
n5 3.4879940881173E+40

Nth Root

y√n
2√n 11330.721733411
3√n 504.47352904074
4√n 106.44586292295
5√n 41.850729213307

Divisors of 128385255

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 -128385254
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 128385255 can be divided by 8 positive divisors. The sum of these divisors (counting 128385255) is 1, the average is 0.125.

Base conversion 128385255

Base System Value
2 Binary 111101001110000000011100111
3 Ternary 22221120122110110
4 Quaternary 13221300003213
5 Quinary 230331312010
6 Senary 20423424103
8 Octal 751600347
10 Decimal 128385255
12 Duodecimal 36bb5033
16 Hexadecimal 7a700e7
20 Vigesimal 202832f
36 Base36 24fqp3

Cryptographic Hash Functions

md5 57939b524d382cfd5a64a851c4bc1ee7
sha1 b0cd5ade4c86aae96a52320d3039cc36fb595616
sha256 ea61b374898ea7670dbeee4539ec2bd422c8780a449ce2b411b6f7b9defc7bfd
sha512 0d525e1596e1633247d57523c28c3a15f225981561853b23c0f0901902d7e7799c0d4021f8de77455b3dd505410c1eb8594b718787e5f9bbb91a361674ceef71
ripemd-160 376f2c832465326afc8e8995bfb8d7a83a151ab8

128385255 as geometric shapes

Circle

Radius = n
Diameter 256770510
Circumference 806668347.8745
Area 5.1782160771148E+16

Sphere

Radius = n
Volume 8.8640878867399E+24
Surface area 2.0712864308459E+17
Circumference 806668347.8745

Square

Length = n
Perimeter 513541020
Area 16482773701415025
Diagonal 181564168.82973

Cube

Length = n
Surface area 98896642208490150
Volume 2.1161451047635E+24
Space diagonal 222369784.60269

Equilateral Triangle

Length = n
Perimeter 385155765
Area 7.1372503751277E+15
Altitude 111184892.30134

Triangular Pyramid

Length = n
Surface area 7.1372503751277E+15
Volume 2.4939009225883E+23
Height 60521389.609909