638442044 is an even 9-digits composite number following 638442043
and preceding 638442045 . In scientific notation, it is written as 6.38442044 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 318990048 positive integers (up to 638442044) that are relatively prime to 638442044.
638442044 has 12 divisors, whose sum is 1118082000
The reverse of 638442044 is 440244836
Previous prime number is 1399
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
six hundred thirty-eight million four hundred forty-two thousand forty-four
Scientific notation
6.38442044 × 10^8
Engineering notation
6.38442044 × 10^6
Prime Factorization
2 × 2 × 1399 × 114089
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
319221022
Product of the distinct prime numbers
The prime factorization of 638442044 is 2 × 2 × 1399 × 114089.
Since it has a total of 4 prime factors.
6 , 9 , 49 , 1 , 211 , 600 , 3507 , 9611 , 53374 , 42582 , 205026 , 506037 , 4332671 , 2145173 , 38697653 , 96928529 , 339022837 , 705842227 , 7296437407 , 3850644820
n×2
1276884088
n×3
1915326132
n×4
2553768176
n×5
3192210220
n÷2
319221022
n÷3
212814014.66667
n÷3
159610511
n÷5
127688408.8
n2
407608243546897936
n3
2.6023424016133E+26
n4
1.6614448020739E+35
n5
1.0607362154292E+44
2 √n
25267.410710241
3 √n
861.07403398442
4 √n
158.95726064021
5 √n
57.67987305158
1 , 2 , 4 , 1399 , 2798 , 5596 , 114089 , 228178 , 456356 , 159610511 , 319221022 , 638442044
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
-638442043
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 638442044 can be divided by 12 positive divisors.
The sum of these divisors (counting 638442044) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000011011101101000111100
3
Ternary
1122111100012211122
4
Quaternary
212003131220330
5
Quinary
2301420121134
6
Senary
143204010112
8
Octal
4603355074
10
Decimal
638442044
12
Duodecimal
159990938
16
Hexadecimal
260dda3c
20
Vigesimal
9ja5524
36
Base36
ak4118
md5
7f77e761aa9cd4e360384e703ee35e36
sha1
6dfb825b403f13c10791600ffd7e5df122395e66
sha256
c9143945c31c49d3d5ce3126e659bfe015cfaab3431f585ee5adc030c92d8081
sha512
df60de4cf4a41c8369ab78b34107fee66c54c62be8ff6ebacc796c4da90f102e00b5815071e2c031ab0df7e23bd0db1c3875afeded8b9fb88c5de8b12921e8ac
ripemd-160
15adec1e120a8c4d3772af1e3a383ff7f9c303af
Diameter
1276884088
Circumference
4011449670.3465
Area
1.2805390634696E+18
Volume
1.0900666361378E+27
Surface area
5.1221562538783E+18
Circumference
4011449670.3465
Perimeter
2553768176
Area
407608243546897936
Diagonal
902893397.414
Surface area
2445649461281387616
Volume
2.6023424016133E+26
Space diagonal
1105814057.8961
Perimeter
1915326132
Area
1.7649954685178E+17
Altitude
552907028.94806
Surface area
1.7649954685178E+17
Volume
3.0668899319168E+25
Height
300964465.80467