638963944 is an even 9-digits composite number following 638963943
and preceding 638963945 . In scientific notation, it is written as 6.38963944 × 10^8.
The sum of its digits is 52. It has a total of 5 prime factors and 16 positive divisors.
There are 319214592 positive integers (up to 638963944) that are relatively prime to 638963944.
638963944 has 16 divisors, whose sum is 1199060100
The reverse of 638963944 is 449369836
Previous prime number is 1217
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred thirty-eight million nine hundred sixty-three thousand nine hundred forty-four
Scientific notation
6.38963944 × 10^8
Engineering notation
6.38963944 × 10^6
Prime Factorization
2 × 2 × 2 × 1217 × 65629
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
159740986
Product of the distinct prime numbers
The prime factorization of 638963944 is 2 × 2 × 2 × 1217 × 65629.
Since it has a total of 5 prime factors.
7 , 9 , 70 , 10 , 689 , 728 , 177 , 3548 , 86307 , 92951 , 701247 , 120028 , 5415647 , 3189524 , 16352863 , 81151464 , 529345714 , 696272971 , 5115550327 , 8873709672
n×2
1277927888
n×3
1916891832
n×4
2555855776
n×5
3194819720
n÷2
319481972
n÷3
212987981.33333
n÷3
159740986
n÷5
127792788.8
n2
408274921732035136
n3
2.6087295422619E+26
n4
1.666884117153E+35
n5
1.065078849687E+44
2 √n
25277.736132811
3 √n
861.30860089842
4 √n
158.98973593541
5 √n
57.689300152326
1 , 2 , 4 , 8 , 1217 , 2434 , 4868 , 9736 , 65629 , 131258 , 262516 , 525032 , 79870493 , 159740986 , 319481972 , 638963944
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638963943
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638963944 can be divided by 16 positive divisors.
The sum of these divisors (counting 638963944) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000101011101000011101000
3
Ternary
1122112022201202021
4
Quaternary
212011131003220
5
Quinary
2302033321234
6
Senary
143223114224
8
Octal
4605350350
10
Decimal
638963944
12
Duodecimal
159ba2974
16
Hexadecimal
2615d0e8
20
Vigesimal
9jda9h4
36
Base36
akf7qg
md5
cf1cb659fb463760991224881e9929c9
sha1
4082ed47888a2f865164e375eef702035d7f91df
sha256
6edffbb5e04f64b8b08d7393f5e8159a2330c1a164c0c4ace0869f6fb6f56d13
sha512
bb57d9115d8dd232e1d6172161473c36504a8a12333df8bd1331e8bd7b585d28a30cb6faa76bc1cbfd5eccb872bc55f2ead96d6520dc70643fe380a5e63a11d7
ripemd-160
495aa79435f3bde0aa85e93728b3b8cedc6adacb
Diameter
1277927888
Circumference
4014728864.7583
Area
1.2826334947583E+18
Volume
1.0927420753564E+27
Surface area
5.1305339790332E+18
Circumference
4014728864.7583
Perimeter
2555855776
Area
408274921732035136
Diagonal
903631475.4722
Surface area
2449649530392210816
Volume
2.6087295422619E+26
Space diagonal
1106718015.2126
Perimeter
1916891832
Area
1.7678822697402E+17
Altitude
553359007.6063
Surface area
1.7678822697402E+17
Volume
3.0744172493585E+25
Height
301210491.82407