638941623 is an odd 9-digits composite number following 638941622
and preceding 638941624 . In scientific notation, it is written as 6.38941623 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 425961080 positive integers (up to 638941623) that are relatively prime to 638941623.
638941623 has 4 divisors, whose sum is 851922168
The reverse of 638941623 is 326149836
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred thirty-eight million nine hundred forty-one thousand six hundred twenty-three
Scientific notation
6.38941623 × 10^8
Engineering notation
6.38941623 × 10^6
Prime Factorization
3 × 212980541
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638941623
Product of the distinct prime numbers
The prime factorization of 638941623 is 3 × 212980541.
Since it has a total of 2 prime factors.
3 , 10 , 88 , 91 , 819 , 820 , 3584 , 7969 , 75382 , 8654 , 658999 , 462029 , 3253682 , 1566137 , 7449704 , 72090967 , 703418125 , 996709485 , 8861868838 , 7948183746
n×2
1277883246
n×3
1916824869
n×4
2555766492
n×5
3194708115
n÷2
319470811.5
n÷3
212980541
n÷3
159735405.75
n÷5
127788324.6
n2
408246397601874129
n3
2.6084561586764E+26
n4
1.6666512115491E+35
n5
1.0648928300821E+44
2 √n
25277.294613942
3 √n
861.29857138459
4 √n
158.98834741559
5 √n
57.688897093319
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
-638941622
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 638941623 can be divided by 4 positive divisors.
The sum of these divisors (counting 638941623) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000101010111100110110111
3
Ternary
1122112021121010120
4
Quaternary
212011113212313
5
Quinary
2302032112443
6
Senary
143222423023
8
Octal
4605274667
10
Decimal
638941623
12
Duodecimal
159b91a73
16
Hexadecimal
261579b7
20
Vigesimal
9jd7e13
36
Base36
akeqif
md5
f8c60c7a911fec62a121b042b13be030
sha1
4698e5c36c2ec2a787c39545e5abc698624c5901
sha256
f86d3e0ff8d6a430cc69fb470ea380a10e61d1071ac2b65aeb6f83f6792061d0
sha512
658ca1314564d2677e3f3e441b86bd95b710bf9e29d4ec9201fc975cf6bf428730ef7c62ed7507482dc74f044956e57a1693bf18508e0753445f340946cb78b3
ripemd-160
a0f5c1310d511f02860b99133a0482d5a8e469ab
Diameter
1277883246
Circumference
4014588617.7791
Area
1.2825438835605E+18
Volume
1.0926275607079E+27
Surface area
5.1301755342422E+18
Circumference
4014588617.7791
Perimeter
2555766492
Area
408246397601874129
Diagonal
903599908.81128
Surface area
2449478385611244774
Volume
2.6084561586764E+26
Space diagonal
1106679354.1065
Perimeter
1916824869
Area
1.7677587566335E+17
Altitude
553339677.05326
Surface area
1.7677587566335E+17
Volume
3.0740950637132E+25
Height
301199969.60376