639389626 is an even 9-digits composite number following 639389625
and preceding 639389627 . In scientific notation, it is written as 6.39389626 × 10^8.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 315315360 positive integers (up to 639389626) that are relatively prime to 639389626.
639389626 has 8 divisors, whose sum is 972222804
The reverse of 639389626 is 626983936
Previous prime number is 73
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred thirty-nine million three hundred eighty-nine thousand six hundred twenty-six
Scientific notation
6.39389626 × 10^8
Engineering notation
6.39389626 × 10^6
Prime Factorization
2 × 73 × 4379381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
639389626
Product of the distinct prime numbers
The prime factorization of 639389626 is 2 × 73 × 4379381.
Since it has a total of 3 prime factors.
6 , 4 , 20 , 51 , 109 , 212 , 6238 , 1566 , 34495 , 49900 , 667122 , 74972 , 403528 , 2378314 , 99653838 , 58007881 , 745651437 , 705110765 , 8547791939 , 864846667
n×2
1278779252
n×3
1918168878
n×4
2557558504
n×5
3196948130
n÷2
319694813
n÷3
213129875.33333
n÷3
159847406.5
n÷5
127877925.2
n2
408819093836419876
n3
2.6139468750973E+26
n4
1.6713305148523E+35
n5
1.0686313928138E+44
2 √n
25286.154828285
3 √n
861.49982826542
4 √n
159.01620932561
5 √n
57.696984703361
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639389625
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639389626 can be divided by 8 positive divisors.
The sum of these divisors (counting 639389626) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000111000100111110111010
3
Ternary
1122120010100200021
4
Quaternary
212013010332322
5
Quinary
2302140432001
6
Senary
143240201054
8
Octal
4607047672
10
Decimal
639389626
12
Duodecimal
15a16918a
16
Hexadecimal
261c4fba
20
Vigesimal
9jg3e16
36
Base36
akoc6y
md5
9f3847a12cd5309c8b5f7d32fbdd2e7f
sha1
268408723de55edb7bab6a629c19c8950787e59d
sha256
d8623fd41ebd9693ba22c3159043f70400a579e881c7ca0fdf896b80dc9d7abd
sha512
9b239e9704a35a652eba874b3348e8a33dbdea8aca37f5ed573b81d9056ddad58297bc171bd1fdf2a52079f04f0add8a0958e4afa0a0d2f81c23e6704c5426e8
ripemd-160
f1e98ee6530dc5e75415246d76009e262f93d270
Diameter
1278779252
Circumference
4017403503.6463
Area
1.2843430618437E+18
Volume
1.0949275066239E+27
Surface area
5.1373722473749E+18
Circumference
4017403503.6463
Perimeter
2557558504
Area
408819093836419876
Diagonal
904233480.72986
Surface area
2452914563018519256
Volume
2.6139468750973E+26
Space diagonal
1107455318.0645
Perimeter
1918168878
Area
1.7702386040724E+17
Altitude
553727659.03223
Surface area
1.7702386040724E+17
Volume
3.0805659350711E+25
Height
301411160.24329