639450131 is an odd 9-digits prime number following 639450130
and preceding 639450132 . In scientific notation, it is written as 6.39450131 × 10^8.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 639450130 positive integers (up to 639450131) that are relatively prime to 639450131.
639450131 has 2 divisors, whose sum is 639450132
The reverse of 639450131 is 131054936
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 32 Digital Root 5
Name
six hundred thirty-nine million four hundred fifty thousand one hundred thirty-one
Scientific notation
6.39450131 × 10^8
Engineering notation
6.39450131 × 10^6
Prime Factorization
639450131
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
639450131 Product of the distinct prime numbers
The prime factorization of 639450131 is 639450131.
Since it has a total of 1 prime factors.
8 , 8 , 70 , 31 , 881 , 523 , 6745 , 2350 , 29702 , 72860 , 730426 , 304448 , 9412737 , 9790810 , 11250642 , 71803630 , 41103575 , 627375680 , 3671855648 , 2993067684
n×2
1278900262
n×3
1918350393
n×4
2557800524
n×5
3197250655
n÷2
319725065.5
n÷3
213150043.66667
n÷3
159862532.75
n÷5
127890026.2
n2
408896470035917161
n3
2.614689013299E+26
n4
1.6719632320783E+35
n5
1.0691371077797E+44
2 √n25287.351205692
3 √n861.52700178679
4 √n159.01997109071
5 √n57.698076627217
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
639450132 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
319725066 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
25287.351225464 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999968723 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639450131 can be divided by 2 positive divisors.
The sum of these divisors (counting 639450131) is 639450132, the average is 319725066.
Base
System
Value
2
Binary
100110000111010011110000010011
3
Ternary
1122120020102200012
4
Quaternary
212013103300103
5
Quinary
2302144401011
6
Senary
143241345135
8
Octal
4607236023
10
Decimal
639450131
12
Duodecimal
15a1981ab
16
Hexadecimal
261d3c13
20
Vigesimal
9jgb56b
36
Base36
akpmvn
md5
1d6f9fb36cf0188fa23a3ca68930433a
sha1
7c04f645f2ea590de82d0eec57f1f69f5ed69f1d
sha256
3a3a56b9453a0a1c85c686165846cc6f58a708a10427b143d2a4059af6e907e6
sha512
68b238622e353a3aefba6cfaa39d46e9b780bf1792cc3e56f1e7e34bc26f8e80f1f9924bf6bd2f3ba9f7a17b70e940d3259fe9f3a82bbb4ad12b03f6452da2d5
ripemd-160
a3db18f22b9a2b499ebf223f9646350b7a8dda9c
Diameter
1278900262
Circumference
4017783667.7733
Area
1.2845861463436E+18
Volume
1.095238372747E+27
Surface area
5.1383445853745E+18
Circumference
4017783667.7733
Perimeter
2557800524
Area
408896470035917161
Diagonal
904319047.72145
Surface area
2453378820215502966
Volume
2.614689013299E+26
Space diagonal
1107560115.7986
Perimeter
1918350393
Area
1.7705736528444E+17
Altitude
553780057.89929
Surface area
1.7705736528444E+17
Volume
3.0814405533295E+25
Height
301439682.57382