639468428 is an even 9-digits composite number following 639468427
and preceding 639468429 . In scientific notation, it is written as 6.39468428 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 318489600 positive integers (up to 639468428) that are relatively prime to 639468428.
639468428 has 12 divisors, whose sum is 1123425912
The reverse of 639468428 is 824864936
Previous prime number is 257
Is Prime? no Number parity even Number length 9 Sum of Digits 50 Digital Root 5
Name
six hundred thirty-nine million four hundred sixty-eight thousand four hundred twenty-eight
Scientific notation
6.39468428 × 10^8
Engineering notation
6.39468428 × 10^6
Prime Factorization
2 × 2 × 257 × 622051
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
319734214 Product of the distinct prime numbers
The prime factorization of 639468428 is 2 × 2 × 257 × 622051.
Since it has a total of 4 prime factors.
9 , 7 , 11 , 100 , 780 , 164 , 4861 , 9264 , 32048 , 72433 , 646902 , 605861 , 7262855 , 5472223 , 75098313 , 71206601 , 267464161 , 467433106 , 6762098128 , 8477413787
n×2
1278936856
n×3
1918405284
n×4
2557873712
n×5
3197342140
n÷2
319734214
n÷3
213156142.66667
n÷3
159867107
n÷5
127893685.6
n2
408919870408791184
n3
2.6149134670827E+26
n4
1.6721546041514E+35
n5
1.0692900760897E+44
2 √n25287.712984768
3 √n861.53521885145
4 √n159.02110861382
5 √n57.698406813912
1 , 2 , 4 , 257 , 514 , 1028 , 622051 , 1244102 , 2488204 , 159867107 , 319734214 , 639468428
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
-639468427 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 639468428 can be divided by 12 positive divisors.
The sum of these divisors (counting 639468428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000111011000001110001100
3
Ternary
1122120021100202212
4
Quaternary
212013120032030
5
Quinary
2302200442203
6
Senary
143242005552
8
Octal
4607301614
10
Decimal
639468428
12
Duodecimal
15a1a68b8
16
Hexadecimal
261d838c
20
Vigesimal
9jgdb18
36
Base36
akq0zw
md5
43f9e6031a71adb324ad9bbdc58e4c4a
sha1
01cd9c7444400dd13470f3ffe14e465f94b50ad0
sha256
4f1a526960f4d480ecaae178e274e173fea0db54b932ca8adbfab2cb80e185e5
sha512
9f018574097955f64285ef3316e6eb6af6b5f17ebc2bf56040f05ce76d728614e77940391073e94ee1409225cffcef9cc50b90ac112e77d2f246494386f88010
ripemd-160
f91f0f9d3ff504b74639e7635f12e1cd71e6ed5d
Diameter
1278936856
Circumference
4017898631.2148
Area
1.2846596607831E+18
Volume
1.095332391728E+27
Surface area
5.1386386431326E+18
Circumference
4017898631.2148
Perimeter
2557873712
Area
408919870408791184
Diagonal
904344923.587
Surface area
2453519222452747104
Volume
2.6149134670827E+26
Space diagonal
1107591807.1322
Perimeter
1918405284
Area
1.7706749794313E+17
Altitude
553795903.5661
Surface area
1.7706749794313E+17
Volume
3.0817050746504E+25
Height
301448307.86233