638993822 is an even 9-digits composite number following 638993821
and preceding 638993823 . In scientific notation, it is written as 6.38993822 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 319496910 positive integers (up to 638993822) that are relatively prime to 638993822.
638993822 has 4 divisors, whose sum is 958490736
The reverse of 638993822 is 228399836
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred thirty-eight million nine hundred ninety-three thousand eight hundred twenty-two
Scientific notation
6.38993822 × 10^8
Engineering notation
6.38993822 × 10^6
Prime Factorization
2 × 319496911
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638993822
Product of the distinct prime numbers
The prime factorization of 638993822 is 2 × 319496911.
Since it has a total of 2 prime factors.
1 , 3 , 53 , 20 , 606 , 156 , 9881 , 9637 , 88285 , 87418 , 133806 , 470037 , 2190329 , 1609343 , 59740200 , 71536113 , 864794864 , 622550415 , 2019569845 , 2958264885
n×2
1277987644
n×3
1916981466
n×4
2555975288
n×5
3194969110
n÷2
319496911
n÷3
212997940.66667
n÷3
159748455.5
n÷5
127798764.4
n2
408313104554167684
n3
2.6090955125175E+26
n4
1.6671959135066E+35
n5
1.0653278887944E+44
2 √n
25278.327120282
3 √n
861.3220256399
4 √n
158.99159449569
5 √n
57.6898396534
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
-638993821
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 638993822 can be divided by 4 positive divisors.
The sum of these divisors (counting 638993822) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000101100100010110011110
3
Ternary
1122112101020201212
4
Quaternary
212011210112132
5
Quinary
2302040300242
6
Senary
143223504422
8
Octal
4605442636
10
Decimal
638993822
12
Duodecimal
159bb8112
16
Hexadecimal
2616459e
20
Vigesimal
9jde4b2
36
Base36
akfuse
md5
811264e5b9fcbfa1499a4f7a6df6ee4d
sha1
6310db7d1e1ca8dacca5e28f4405948153e27786
sha256
1ec9ea7a21fedf6e1e4fc079cd448a9fd7dedd7bfad17249d1cc6464bff7bacd
sha512
e1d487b532afb795a9b7be73d2a51d78dd87a1b96ac34c07ba2515884e3365ee08347c4824339262614fbcb2ea340ca7633bbf05e60782bad898ec200a11e60c
ripemd-160
e02274acd9c77cd7b03174433779dd5d67265a32
Diameter
1277987644
Circumference
4014916593.7689
Area
1.2827534496318E+18
Volume
1.0928953726186E+27
Surface area
5.1310137985273E+18
Circumference
4014916593.7689
Perimeter
2555975288
Area
408313104554167684
Diagonal
903673729.34502
Surface area
2449878627325006104
Volume
2.6090955125175E+26
Space diagonal
1106769765.4266
Perimeter
1916981466
Area
1.76804760621E+17
Altitude
553384882.71331
Surface area
1.76804760621E+17
Volume
3.0748485494409E+25
Height
301224576.44834