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.
642009 has 4 divisors, whose sum is 856016
The reverse of 642009 is 900246
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 21
Digital Root 3
Name
six hundred forty-two thousand nine
Scientific notation
6.42009 × 10^5
Engineering notation
6.42009 × 10^3
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.
4 , 2 , 68 , 37 , 177 , 520 , 4510 , 3613 , 70411 , 61482 , 527832 , 547563 , 4942435 , 7986967 , 99553370 , 75362777 , 672244020 , 777525078 , 6981130544 , 9722414500
n×2
1284018
n×3
1926027
n×4
2568036
n×5
3210045
n÷2
321004.5
n÷3
214003
n÷3
160502.25
n÷5
128401.8
n2
412175556081
n3
264620416584006729
n4
1.6988868903068E+23
n5
1.090700673559E+29
2 √n
801.25464117221
3 √n
86.267465482144
4 √n
28.306441690403
5 √n
14.504682382847
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
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
md5
802b406e52471ead40365b6eb09b0afa
sha1
6b96f12b0aea3170916ad95d062fc9ef671923a4
sha256
be29234d670e76df2b70099d2574d0dda610148578128b45021cb87a305a2e62
sha512
371da083212d0c3d394b3f5be4e304d265b9bcdd2beae477d22a6b11d9faa1f3f86e681206afedae9bdf7c36c078a0b9d3cc16520b02be4ed7898108a85c25a3
ripemd-160
976c0f6a85f68195d5146ddef535519067b7a8c9
Diameter
1284018
Circumference
4033861.5158771
Area
1294887698973.4
Volume
1.1084394089736E+18
Surface area
5179550795893.4
Circumference
4033861.5158771
Perimeter
2568036
Area
412175556081
Diagonal
907937.83496559
Surface area
2473053336486
Volume
264620416584006729
Space diagonal
1111992.2069165
Perimeter
1926027
Area
178477251192.56
Altitude
555996.10345824
Surface area
178477251192.56
Volume
3.1185815167827E+16
Height
302645.94498853