638209220 is an even 9-digits composite number following 638209219
and preceding 638209221 . In scientific notation, it is written as 6.38209220 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 232076000 positive integers (up to 638209220) that are relatively prime to 638209220.
638209220 has 12 divisors, whose sum is 1137173184
The reverse of 638209220 is 022902836
Previous prime number is 55
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
six hundred thirty-eight million two hundred nine thousand two hundred twenty
Scientific notation
6.38209220 × 10^8
Engineering notation
6.38209220 × 10^6
Prime Factorization
2 × 2 × 55 × 2900951
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
319104610
Product of the distinct prime numbers
The prime factorization of 638209220 is 2 × 2 × 55 × 2900951.
Since it has a total of 4 prime factors.
4 , 5 , 76 , 22 , 862 , 348 , 7608 , 3462 , 55614 , 8998 , 158022 , 339389 , 2519993 , 2346281 , 79918071 , 60232826 , 28305114 , 701630868 , 2474017587 , 7555610804
n×2
1276418440
n×3
1914627660
n×4
2552836880
n×5
3191046100
n÷2
319104610
n÷3
212736406.66667
n÷3
159552305
n÷5
127641844
n2
407311008493008400
n3
2.5994964102774E+26
n4
1.6590225763959E+35
n5
1.058803504444E+44
2 √n
25262.80309071
3 √n
860.96935046742
4 √n
158.94276671403
5 √n
57.675665553579
1 , 2 , 4 , 55 , 110 , 220 , 2900951 , 5801902 , 11603804 , 159552305 , 319104610 , 638209220
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638209219
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638209220 can be divided by 12 positive divisors.
The sum of these divisors (counting 638209220) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000010100100110011000100
3
Ternary
1122110220101110112
4
Quaternary
212002210303010
5
Quinary
2301340143340
6
Senary
143155012152
8
Octal
4602446304
10
Decimal
638209220
12
Duodecimal
15989a058
16
Hexadecimal
260a4cc4
20
Vigesimal
9j8g310
36
Base36
ajz1dw
md5
1cd4bda844470adeab9c2c00f9110d93
sha1
87d18a83e0e0c317517e4abb89f95e08571f5ff5
sha256
7bbd39b9d324d726dacd9a3eb470b23e3e96f5c570d993b8e2dd0f84c35d9782
sha512
86df18d5fad514b8c770fdf97a16889f0fb14c32be450ca19b0275e3441e0232e2945a2d2a476adf6cf0c809b731210b3364d580d4e538fd4d14863f19d24793
ripemd-160
5eaed9cdffc566f245e8a7f6d0b17c5ed32f8d62
Diameter
1276418440
Circumference
4009986794.0105
Area
1.2796052720079E+18
Volume
1.0888745100747E+27
Surface area
5.1184210880315E+18
Circumference
4009986794.0105
Perimeter
2552836880
Area
407311008493008400
Diagonal
902564134.55555
Surface area
2443866050958050400
Volume
2.5994964102774E+26
Space diagonal
1105410794.8989
Perimeter
1914627660
Area
1.76370840298E+17
Altitude
552705397.44945
Surface area
1.76370840298E+17
Volume
3.063535898962E+25
Height
300854711.51852