638822081 is an odd 9-digits composite number following 638822080
and preceding 638822082 . In scientific notation, it is written as 6.38822081 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 638744964 positive integers (up to 638822081) that are relatively prime to 638822081.
638822081 has 4 divisors, whose sum is 638899200
The reverse of 638822081 is 180228836
Previous prime number is 9439
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred thirty-eight million eight hundred twenty-two thousand eighty-one
Scientific notation
6.38822081 × 10^8
Engineering notation
6.38822081 × 10^6
Prime Factorization
9439 × 67679
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638822081
Product of the distinct prime numbers
The prime factorization of 638822081 is 9439 × 67679.
Since it has a total of 2 prime factors.
7 , 4 , 39 , 48 , 651 , 545 , 7215 , 8016 , 58878 , 37655 , 752652 , 932674 , 7033325 , 5014237 , 84352268 , 56598690 , 278078943 , 350316830 , 4825162824 , 4277952696
n×2
1277644162
n×3
1916466243
n×4
2555288324
n×5
3194110405
n÷2
319411040.5
n÷3
212940693.66667
n÷3
159705520.25
n÷5
127764416.2
n2
408093651173170561
n3
2.6069923548533E+26
n4
1.6654042812785E+35
n5
1.0638970286726E+44
2 √n
25274.9298911
3 √n
861.24485350076
4 √n
158.98091046129
5 √n
57.686738285051
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
-638822080
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 638822081 can be divided by 4 positive divisors.
The sum of these divisors (counting 638822081) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000100111010011011000001
3
Ternary
1122112001112011002
4
Quaternary
212010322123001
5
Quinary
2302014301311
6
Senary
143220101345
8
Octal
4604723301
10
Decimal
638822081
12
Duodecimal
159b34855
16
Hexadecimal
2613a6c1
20
Vigesimal
9jccf41
36
Base36
akc69t
md5
fd3458b54a77070b4ab1d3836f7ce4d6
sha1
6f0cd84f3d465eb6a5cccf768c448846114e22cc
sha256
a904de7ba6f17ef82885c052d3ec4f4d23d2aafe83bfef322491f498286eb86f
sha512
35a02148e745c1d999bb0c7956d6103c1d95dd72a8dd4e0695530227c2d7f81ec2bb9530b1cc74622967ae2c73ba8a2cae5bfbb9a6a4aeac111952946524f0ab
ripemd-160
b18a3e887c13f5404006992a9886bdbaa3f16fa0
Diameter
1277644162
Circumference
4013837513.2411
Area
1.2820640165023E+18
Volume
1.0920144039963E+27
Surface area
5.1282560660091E+18
Circumference
4013837513.2411
Perimeter
2555288324
Area
408093651173170561
Diagonal
903430850.8936
Surface area
2448561907039023366
Volume
2.6069923548533E+26
Space diagonal
1106472301.2889
Perimeter
1916466243
Area
1.7670973451956E+17
Altitude
553236150.64444
Surface area
1.7670973451956E+17
Volume
3.0723699543638E+25
Height
301143616.96453