642009 (number)

642009 is an odd 6-digits composite number following 642008 and preceding 642010. In scientific notation, it is written as 6.42009 × 10^5. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 428004 positive integers (up to 642009) that are relatively prime to 642009.

Interesting facts

Basic properties

Name

Name six hundred forty-two thousand nine

Notation

Scientific notation 6.42009 × 10^5
Engineering notation 6.42009 × 10^3

Prime Factorization of 642009

Prime Factorization 3 × 214003

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 642009
Product of the distinct prime numbers

The prime factorization of 642009 is 3 × 214003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642009)

Multiplication

n×y
n×2 1284018
n×3 1926027
n×4 2568036
n×5 3210045

Division

n÷y
n÷2 321004.5
n÷3 214003
n÷3 160502.25
n÷5 128401.8

Exponentiation

ny
n2 412175556081
n3 264620416584006729
n4 1.6988868903068E+23
n5 1.090700673559E+29

Nth Root

y√n
2√n 801.25464117221
3√n 86.267465482144
4√n 28.306441690403
5√n 14.504682382847

Divisors of 642009

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642008
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642009 can be divided by 4 positive divisors. The sum of these divisors (counting 642009) is 1, the average is 0.25.

Base conversion 642009

Base System Value
2 Binary 10011100101111011001
3 Ternary 1012121200010
4 Quaternary 2130233121
5 Quinary 131021014
6 Senary 21432133
8 Octal 2345731
10 Decimal 642009
12 Duodecimal 26b649
16 Hexadecimal 9cbd9
20 Vigesimal 40509
36 Base36 drdl

Cryptographic Hash Functions

md5 802b406e52471ead40365b6eb09b0afa
sha1 6b96f12b0aea3170916ad95d062fc9ef671923a4
sha256 be29234d670e76df2b70099d2574d0dda610148578128b45021cb87a305a2e62
sha512 371da083212d0c3d394b3f5be4e304d265b9bcdd2beae477d22a6b11d9faa1f3f86e681206afedae9bdf7c36c078a0b9d3cc16520b02be4ed7898108a85c25a3
ripemd-160 976c0f6a85f68195d5146ddef535519067b7a8c9

642009 as geometric shapes

Circle

Radius = n
Diameter 1284018
Circumference 4033861.5158771
Area 1294887698973.4

Sphere

Radius = n
Volume 1.1084394089736E+18
Surface area 5179550795893.4
Circumference 4033861.5158771

Square

Length = n
Perimeter 2568036
Area 412175556081
Diagonal 907937.83496559

Cube

Length = n
Surface area 2473053336486
Volume 264620416584006729
Space diagonal 1111992.2069165

Equilateral Triangle

Length = n
Perimeter 1926027
Area 178477251192.56
Altitude 555996.10345824

Triangular Pyramid

Length = n
Surface area 178477251192.56
Volume 3.1185815167827E+16
Height 302645.94498853