642000305 is an odd 9-digits composite number following 642000304
and preceding 642000306 . In scientific notation, it is written as 6.42000305 × 10^8.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 513600240 positive integers (up to 642000305) that are relatively prime to 642000305.
642000305 has 4 divisors, whose sum is 770400372
The reverse of 642000305 is 503000246
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 20
Digital Root 2
Name
six hundred forty-two million three hundred five
Scientific notation
6.42000305 × 10^8
Engineering notation
6.42000305 × 10^6
Prime Factorization
5 × 128400061
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642000305
Product of the distinct prime numbers
The prime factorization of 642000305 is 5 × 128400061.
Since it has a total of 2 prime factors.
5 , 1 , 42 , 24 , 473 , 792 , 987 , 2453 , 853 , 93950 , 426737 , 180482 , 440820 , 4847842 , 30338060 , 23144078 , 663008288 , 16461197 , 7863219078 , 326452798
n×2
1284000610
n×3
1926000915
n×4
2568001220
n×5
3210001525
n÷2
321000152.5
n÷3
214000101.66667
n÷3
160500076.25
n÷5
128400061
n2
412164391620093025
n3
2.6460966513024E+26
n4
1.6987948571956E+35
n5
1.090626816452E+44
2 √n
25337.724937334
3 √n
862.67076028102
4 √n
159.17828035676
5 √n
57.744024220493
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
-642000304
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 642000305 can be divided by 4 positive divisors.
The sum of these divisors (counting 642000305) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010001000010010110110001
3
Ternary
1122202000222212002
4
Quaternary
212101002112301
5
Quinary
2303323002210
6
Senary
143412143345
8
Octal
4621022661
10
Decimal
642000305
12
Duodecimal
15b007b55
16
Hexadecimal
264425b1
20
Vigesimal
a0ca0f5
36
Base36
am8alt
md5
62f8286ae928e9a71a95cd30e3845615
sha1
638f83e5ff05021c8875aa83472824ce84bd0fc7
sha256
80657c99f08ef975c73c3c2f935f29247b9926819a4557aeb69442ea3b1ccff7
sha512
10b343f5bbaf95b6445b379e16f076b83c609aa323bbc35e6623530741924acf4be9d1a2a4c0c9a39b5b0784ee1ec9f1da0be34191b7f67f0496cccbdb45b24e
ripemd-160
46ffb30c834801c7ccb116ed66eff3257daf4582
Diameter
1284000610
Circumference
4033806883.5808
Area
1.294852624785E+18
Volume
1.1083943733894E+27
Surface area
5.17941049914E+18
Circumference
4033806883.5808
Perimeter
2568001220
Area
412164391620093025
Diagonal
907925538.37866
Surface area
2472986349720558150
Volume
2.6460966513024E+26
Space diagonal
1111977146.7347
Perimeter
1926000915
Area
1.7847241683918E+17
Altitude
555988573.36736
Surface area
1.7847241683918E+17
Volume
3.1184548096849E+25
Height
302641846.12622