128642009 (number)

128642009 is an odd 9-digits composite number following 128642008 and preceding 128642010. In scientific notation, it is written as 1.28642009 × 10^8. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 120974400 positive integers (up to 128642009) that are relatively prime to 128642009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28642009 × 10^8
Engineering notation 1.28642009 × 10^6

Prime Factorization of 128642009

Prime Factorization 17 × 1627 × 4651

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128642009
Product of the distinct prime numbers

The prime factorization of 128642009 is 17 × 1627 × 4651. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 8, 65, 84, 408, 977, 5003, 3271, 92673, 73953, 946823, 529493, 4276629, 9064947, 83968739, 94125517, 920186075, 286312080, 8228670642, 4912943580

Basic calculations (n = 128642009)

Multiplication

n×y
n×2 257284018
n×3 385926027
n×4 514568036
n×5 643210045

Division

n÷y
n÷2 64321004.5
n÷3 42880669.666667
n÷3 32160502.25
n÷5 25728401.8

Exponentiation

ny
n2 16548766479556081
n3 2.128866566402E+24
n4 2.7386167199488E+32
n5 3.523011567352E+40

Nth Root

y√n
2√n 11342.046067619
3√n 504.80959916923
4√n 106.49904256668
5√n 41.867455054148

Divisors of 128642009

1, 17, 1627, 4651, 27659, 79067, 7567177, 128642009

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 -128642008
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 128642009 can be divided by 8 positive divisors. The sum of these divisors (counting 128642009) is 1, the average is 0.125.

Base conversion 128642009

Base System Value
2 Binary 111101010101110101111011001
3 Ternary 22222001200122212
4 Quaternary 13222232233121
5 Quinary 230413021014
6 Senary 20433124505
8 Octal 752565731
10 Decimal 128642009
12 Duodecimal 370b9735
16 Hexadecimal 7aaebd9
20 Vigesimal 2040509
36 Base36 24l8t5

Cryptographic Hash Functions

md5 62b3bd01871e311b5b75045b6ff06a33
sha1 7f9b98c00264b87d07a69a661bbc43246e707e7a
sha256 19d0195f653cc8175a60421d016497c68d1b9f1ba028382cc4a4518f3ad9a0c2
sha512 815567a71835222f802831adf8139ffd4dd33a3bb3fff3779c4d5a917c38bf7a6827c68a4e6307b0ae4add0c1a9dc3819457fe5b54154a3c7214502c38021621
ripemd-160 a783210fc30fb100ff27cd0131197e6406f04d73

128642009 as geometric shapes

Circle

Radius = n
Diameter 257284018
Circumference 808281580.83486
Area 5.1989483198146E+16

Sphere

Radius = n
Volume 8.9173754206417E+24
Surface area 2.0795793279259E+17
Circumference 808281580.83486

Square

Length = n
Perimeter 514568036
Area 16548766479556081
Diagonal 181927273.81872

Cube

Length = n
Surface area 99292598877336486
Volume 2.128866566402E+24
Space diagonal 222814495.57573

Equilateral Triangle

Length = n
Perimeter 385926027
Area 7.165826086296E+15
Altitude 111407247.78787

Triangular Pyramid

Length = n
Surface area 7.165826086296E+15
Volume 2.5088933089069E+23
Height 60642424.606241