128442009 (number)

128442009 is an odd 9-digits composite number following 128442008 and preceding 128442010. In scientific notation, it is written as 1.28442009 × 10^8. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 85322720 positive integers (up to 128442009) that are relatively prime to 128442009.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred forty-two thousand nine

Notation

Scientific notation 1.28442009 × 10^8
Engineering notation 1.28442009 × 10^6

Prime Factorization of 128442009

Prime Factorization 3 × 281 × 152363

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128442009
Product of the distinct prime numbers

The prime factorization of 128442009 is 3 × 281 × 152363. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128442009)

Multiplication

n×y
n×2 256884018
n×3 385326027
n×4 513768036
n×5 642210045

Division

n÷y
n÷2 64221004.5
n÷3 42814003
n÷3 32110502.25
n÷5 25688401.8

Exponentiation

ny
n2 16497349675956081
n3 2.1189527355553E+24
n4 2.7216254633077E+32
n5 3.4957104225279E+40

Nth Root

y√n
2√n 11333.225886746
3√n 504.54785396443
4√n 106.4576248408
5√n 41.854428666808

Divisors of 128442009

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 -128442008
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 128442009 can be divided by 8 positive divisors. The sum of these divisors (counting 128442009) is 1, the average is 0.125.

Base conversion 128442009

Base System Value
2 Binary 111101001111101111010011001
3 Ternary 22221200112022110
4 Quaternary 13221331322121
5 Quinary 230340121014
6 Senary 20424542533
8 Octal 751757231
10 Decimal 128442009
12 Duodecimal 37021a49
16 Hexadecimal 7a7de99
20 Vigesimal 202f509
36 Base36 24gyhl

Cryptographic Hash Functions

md5 d1f39ae7b5d74a7be1010d66ce81576f
sha1 b471bcfff8ee87ac4041e2a5612ba341cb652d53
sha256 b003b9d91c1796af446f24faaa6d94b15177fa1a269b17570a078cc1b9ce2826
sha512 1741a6112be2bdd09396a1e59c03049435dddd8e1e67e7977797e5849eab313ccf76427b6bd15c0d1e5a3c01f6ccb242496fcf4471bf8fdf6d3f21ce009c4dba
ripemd-160 635c76d49e8279e1b8723c9eec367d23b429d06c

128442009 as geometric shapes

Circle

Radius = n
Diameter 256884018
Circumference 807024943.77343
Area 5.1827952545686E+16

Sphere

Radius = n
Volume 8.8758484630994E+24
Surface area 2.0731181018274E+17
Circumference 807024943.77343

Square

Length = n
Perimeter 513768036
Area 16497349675956081
Diagonal 181644431.10625

Cube

Length = n
Surface area 98984098055736486
Volume 2.1189527355553E+24
Space diagonal 222468085.41422

Equilateral Triangle

Length = n
Perimeter 385326027
Area 7.1435619572465E+15
Altitude 111234042.70711

Triangular Pyramid

Length = n
Surface area 7.1435619572465E+15
Volume 2.4972097472082E+23
Height 60548143.702082