128641009 (number)

128641009 is an odd 9-digits composite number following 128641008 and preceding 128641010. In scientific notation, it is written as 1.28641009 × 10^8. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 108455760 positive integers (up to 128641009) that are relatively prime to 128641009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28641009 × 10^8
Engineering notation 1.28641009 × 10^6

Prime Factorization of 128641009

Prime Factorization 61 × 7 × 301267

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128641009
Product of the distinct prime numbers

The prime factorization of 128641009 is 61 × 7 × 301267. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128641009)

Multiplication

n×y
n×2 257282018
n×3 385923027
n×4 514564036
n×5 643205045

Division

n÷y
n÷2 64320504.5
n÷3 42880336.333333
n÷3 32160252.25
n÷5 25728201.8

Exponentiation

ny
n2 16548509196538081
n3 2.1288169204884E+24
n4 2.7385315662791E+32
n5 3.5228746386449E+40

Nth Root

y√n
2√n 11342.001983777
3√n 504.80829111828
4√n 106.49883559822
5√n 41.867389962526

Divisors of 128641009

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 -128641008
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 128641009 can be divided by 8 positive divisors. The sum of these divisors (counting 128641009) is 1, the average is 0.125.

Base conversion 128641009

Base System Value
2 Binary 111101010101110011111110001
3 Ternary 22222001122021211
4 Quaternary 13222232133301
5 Quinary 230413003014
6 Senary 20433120121
8 Octal 752563761
10 Decimal 128641009
12 Duodecimal 370b9041
16 Hexadecimal 7aae7f1
20 Vigesimal 20402a9
36 Base36 24l81d

Cryptographic Hash Functions

md5 66da9461172fa2f69909bfca9c1c5d95
sha1 4acc3163cd79e51e470eeeddb46e882fc356b72b
sha256 3224ef0647d6c57d3bb581fbf43f906dcdeec73c8ec49c984d1462f09c4c3a96
sha512 fb5603ef5880aede03a2e86e8e1a882e2247c6b3c48b42d7fe114f108abc33ab0038e2d0507170f74b04e7776306ed1881e397c50d2619ccd555b72a623d794b
ripemd-160 690ff950174c46ce0b2a597ba64c3353268833e3

128641009 as geometric shapes

Circle

Radius = n
Diameter 257282018
Circumference 808275297.64956
Area 5.1988674919707E+16

Sphere

Radius = n
Volume 8.9171674643255E+24
Surface area 2.0795469967883E+17
Circumference 808275297.64956

Square

Length = n
Perimeter 514564036
Area 16548509196538081
Diagonal 181925859.60516

Cube

Length = n
Surface area 99291055179228486
Volume 2.1288169204884E+24
Space diagonal 222812763.52493

Equilateral Triangle

Length = n
Perimeter 385923027
Area 7.1657146794812E+15
Altitude 111406381.76246

Triangular Pyramid

Length = n
Surface area 7.1657146794812E+15
Volume 2.5088348006367E+23
Height 60641953.20172