128220388 (number)

128220388 is an even 9-digits composite number following 128220387 and preceding 128220389. In scientific notation, it is written as 1.28220388 × 10^8. The sum of its digits is 34. It has a total of 3 prime factors and 6 positive divisors. There are 64110192 positive integers (up to 128220388) that are relatively prime to 128220388.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28220388 × 10^8
Engineering notation 1.28220388 × 10^6

Prime Factorization of 128220388

Prime Factorization 2 × 2 × 32055097

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64110194
Product of the distinct prime numbers

The prime factorization of 128220388 is 2 × 2 × 32055097. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 9, 39, 86, 889, 609, 3773, 5077, 47747, 95110, 527235, 742640, 3780527, 8279735, 23220236, 4012222, 641207810, 266409576, 1290764457, 8675133092

Basic calculations (n = 128220388)

Multiplication

n×y
n×2 256440776
n×3 384661164
n×4 512881552
n×5 641101940

Division

n÷y
n÷2 64110194
n÷3 42740129.333333
n÷3 32055097
n÷5 25644077.6

Exponentiation

ny
n2 16440467898870544
n3 2.1080031728947E+24
n4 2.7028898473379E+32
n5 3.4656558494693E+40

Nth Root

y√n
2√n 11323.444175691
3√n 504.2574952386
4√n 106.41167311762
5√n 41.839975095036

Divisors of 128220388

1, 2, 4, 32055097, 64110194, 128220388

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128220387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128220388 can be divided by 6 positive divisors. The sum of these divisors (counting 128220388) is 1, the average is 0.16666666666667.

Base conversion 128220388

Base System Value
2 Binary 111101001000111110011100100
3 Ternary 22221021021022021
4 Quaternary 13221013303210
5 Quinary 230311023023
6 Senary 20420112524
8 Octal 751076344
10 Decimal 128220388
12 Duodecimal 36b35744
16 Hexadecimal 7a47ce4
20 Vigesimal 2017aj8
36 Base36 24c7hg

Cryptographic Hash Functions

md5 4f7739d22c284e7e96875b1bf2474761
sha1 e0c801b4fe54d221cf2ddd0360c003d625756d19
sha256 c61a38a6193f2500f5d87dffeea44c617b1b3d5949bb0c206cd68dc53e091ba8
sha512 c63e78a066ccfde78374a0f0779b361fd49c81ff2d770f6cf42068c5432148e8328ac103eae6a1e0f26b980ae621b3097c6c332c4ff37f07302eb08f5766b7c1
ripemd-160 825d776d5fa7e5724699c7d826a74f8c323470d5

128220388 as geometric shapes

Circle

Radius = n
Diameter 256440776
Circumference 805632457.96247
Area 5.1649253172671E+16

Sphere

Radius = n
Volume 8.8299830422801E+24
Surface area 2.0659701269068E+17
Circumference 805632457.96247

Square

Length = n
Perimeter 512881552
Area 16440467898870544
Diagonal 181331011.68234

Cube

Length = n
Surface area 98642807393223264
Volume 2.1080031728947E+24
Space diagonal 222084226.58219

Equilateral Triangle

Length = n
Perimeter 384661164
Area 7.1189314252622E+15
Altitude 111042113.2911

Triangular Pyramid

Length = n
Surface area 7.1189314252622E+15
Volume 2.484305563861E+23
Height 60443670.56078