638702930 is an even 9-digits composite number following 638702929
and preceding 638702931 . In scientific notation, it is written as 6.38702930 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 255370752 positive integers (up to 638702930) that are relatively prime to 638702930.
638702930 has 16 divisors, whose sum is 1150162200
The reverse of 638702930 is 039207836
Previous prime number is 2549
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred thirty-eight million seven hundred two thousand nine hundred thirty
Scientific notation
6.38702930 × 10^8
Engineering notation
6.38702930 × 10^6
Prime Factorization
2 × 5 × 2549 × 25057
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638702930
Product of the distinct prime numbers
The prime factorization of 638702930 is 2 × 5 × 2549 × 25057.
Since it has a total of 4 prime factors.
4 , 5 , 12 , 12 , 529 , 300 , 4469 , 7277 , 58877 , 22164 , 916537 , 640340 , 8014144 , 1392921 , 27707286 , 26689968 , 581830434 , 464201952 , 7132331406 , 3326681894
n×2
1277405860
n×3
1916108790
n×4
2554811720
n×5
3193514650
n÷2
319351465
n÷3
212900976.66667
n÷3
159675732.5
n÷5
127740586
n2
407941432790584900
n3
2.6055338839174E+26
n4
1.6641621258724E+35
n5
1.0629052257897E+44
2 √n
25272.572682653
3 √n
861.19130464928
4 √n
158.97349679319
5 √n
57.68458621623
1 , 2 , 5 , 10 , 2549 , 5098 , 12745 , 25057 , 25490 , 50114 , 125285 , 250570 , 63870293 , 127740586 , 319351465 , 638702930
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
-638702929
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 638702930 can be divided by 16 positive divisors.
The sum of these divisors (counting 638702930) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000100011101010101010010
3
Ternary
1122111211110201002
4
Quaternary
212010131111102
5
Quinary
2302001443210
6
Senary
143213342002
8
Octal
4604352522
10
Decimal
638702930
12
Duodecimal
159a97902
16
Hexadecimal
2611d552
20
Vigesimal
9jbhh6a
36
Base36
ak9mc2
md5
3e21418afa3300dc0952459a33e6f9dc
sha1
aad673f2f86efb1b0569658f8e807f6aacf6b925
sha256
4d44d1b7a4ce7c1ab009bfcea7835a2b75a165a741bb1e7b0b15adad6ec15976
sha512
703a32f9c5e58f2e971ac1b30148669e73d3ebbee5fdc5e5af32f566e9efa6566f980b627d44414d797dd315892c43281e4b223a9d3c0a9581bf4b66c5dfae57
ripemd-160
7a2ad35712c76ee154c3db9053fd072a92ed58bb
Diameter
1277405860
Circumference
4013088865.4286
Area
1.2815858083498E+18
Volume
1.0914034811192E+27
Surface area
5.1263432333992E+18
Circumference
4013088865.4286
Perimeter
2554811720
Area
407941432790584900
Diagonal
903262345.93343
Surface area
2447648596743509400
Volume
2.6055338839174E+26
Space diagonal
1106265925.7031
Perimeter
1916108790
Area
1.7664382202643E+17
Altitude
553132962.85155
Surface area
1.7664382202643E+17
Volume
3.0706511298822E+25
Height
301087448.64448