639883908 is an even 9-digits composite number following 639883907
and preceding 639883909 . In scientific notation, it is written as 6.39883908 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 213294600 positive integers (up to 639883908) that are relatively prime to 639883908.
639883908 has 12 divisors, whose sum is 1161270992
The reverse of 639883908 is 809388936
Previous prime number is 27
Is Prime? no Number parity even Number length 9 Sum of Digits 54 Digital Root 9
Name
six hundred thirty-nine million eight hundred eighty-three thousand nine hundred eight
Scientific notation
6.39883908 × 10^8
Engineering notation
6.39883908 × 10^6
Prime Factorization
2 × 2 × 27 × 5924851
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
319941954 Product of the distinct prime numbers
The prime factorization of 639883908 is 2 × 2 × 27 × 5924851.
Since it has a total of 4 prime factors.
1 , 3 , 92 , 18 , 282 , 260 , 6868 , 2599 , 52394 , 85392 , 494292 , 370262 , 8687723 , 563048 , 93457111 , 6358737 , 60169683 , 546037470 , 4350269995 , 4827233075
n×2
1279767816
n×3
1919651724
n×4
2559535632
n×5
3199419540
n÷2
319941954
n÷3
213294636
n÷3
159970977
n÷5
127976781.6
n2
409451415717352464
n3
2.6200137202535E+26
n4
1.6765046183294E+35
n5
1.0727683269567E+44
2 √n25295.926707674
3 √n861.72176606348
4 √n159.04693240573
5 √n57.705902510399
1 , 2 , 4 , 27 , 54 , 108 , 5924851 , 11849702 , 23699404 , 159970977 , 319941954 , 639883908
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
-639883907 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 639883908 can be divided by 12 positive divisors.
The sum of these divisors (counting 639883908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110001000111101101010000100
3
Ternary
1122121001110201000
4
Quaternary
212020331222010
5
Quinary
2302302241113
6
Senary
143254533300
8
Octal
4610755204
10
Decimal
639883908
12
Duodecimal
15a367230
16
Hexadecimal
2623da84
20
Vigesimal
9jj59f8
36
Base36
akyxl0
md5
8d320bcd7b3a601b3895c28a610fe274
sha1
d60c3d28bd09987d07e0abd897df7183b6a53309
sha256
7cfea95c5521db38dcc57aacdc53189ac127798e18f8e213aabfbdab40bf437a
sha512
32a7af3bfc9998d31bd1947668bba744bdaa5f682aac8d6f8cf7e855f00a84b0223b34dd93e8fcf0ec2d6425711ed81b4b37bac78777e138a1aaccda4598d7c9
ripemd-160
92c25d4bc6c43f1d963d5f98c45e1f224b91d5a9
Diameter
1279767816
Circumference
4020509169.0463
Area
1.2863295596196E+18
Volume
1.0974687807804E+27
Surface area
5.1453182384783E+18
Circumference
4020509169.0463
Perimeter
2559535632
Area
409451415717352464
Diagonal
904932501.0379
Surface area
2456708494304114784
Volume
2.6200137202535E+26
Space diagonal
1108311439.6017
Perimeter
1919651724
Area
1.7729766381337E+17
Altitude
554155719.80086
Surface area
1.7729766381337E+17
Volume
3.0877157806551E+25
Height
301644167.01263