639968012 is an even 9-digits composite number following 639968011
and preceding 639968013 . In scientific notation, it is written as 6.39968012 × 10^8.
The sum of its digits is 44. It has a total of 5 prime factors and 18 positive divisors.
There are 317507320 positive integers (up to 639968012) that are relatively prime to 639968012.
639968012 has 18 divisors, whose sum is 1128679524
The reverse of 639968012 is 210869936
Previous prime number is 131
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred thirty-nine million nine hundred sixty-eight thousand twelve
Scientific notation
6.39968012 × 10^8
Engineering notation
6.39968012 × 10^6
Prime Factorization
2 × 2 × 131 × 131 × 9323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2442626
Product of the distinct prime numbers
The prime factorization of 639968012 is 2 × 2 × 131 × 131 × 9323.
Since it has a total of 5 prime factors.
7 , 8 , 53 , 34 , 388 , 835 , 3872 , 7581 , 24387 , 65485 , 673665 , 324706 , 231111 , 9148603 , 39166156 , 74203872 , 800388439 , 152336787 , 8292022891 , 4270438079
n×2
1279936024
n×3
1919904036
n×4
2559872048
n×5
3199840060
n÷2
319984006
n÷3
213322670.66667
n÷3
159992003
n÷5
127993602.4
n2
409559056383232144
n3
2.6210469511017E+26
n4
1.6773862066552E+35
n5
1.0734735160294E+44
2 √n
25297.589055086
3 √n
861.7595182617
4 √n
159.0521582849
5 √n
57.707419361198
1 , 2 , 4 , 131 , 262 , 524 , 9323 , 17161 , 18646 , 34322 , 37292 , 68644 , 1221313 , 2442626 , 4885252 , 159992003 , 319984006 , 639968012
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639968011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639968012 can be divided by 18 positive divisors.
The sum of these divisors (counting 639968012) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
100110001001010010001100001100
3
Ternary
1122121012202001222
4
Quaternary
212021102030030
5
Quinary
2302312434022
6
Senary
143300422512
8
Octal
4611221414
10
Decimal
639968012
12
Duodecimal
15a3a7a38
16
Hexadecimal
2625230c
20
Vigesimal
9jjg00c
36
Base36
al0qh8
md5
fd92773a1ccfdbec870f2730fcda844a
sha1
db6d1df46795bbff9d52f58d3d921f8129e654d9
sha256
5bde61682a99eac9e49520fd91c83c2d1a47b4e823d389916e4be34695910633
sha512
645c9e66eeb12719b3c423d55e645269b40163f9d508a955b9a421c61c3f3cb4e55964578df7a120a4ba96d881deab9c7068ea7b65c5d3b459ef8b1db062b9a1
ripemd-160
83ec371c250418fa948eae14806a3b4123eb8e87
Diameter
1279936024
Circumference
4021037610.0633
Area
1.2866677227447E+18
Volume
1.097901579506E+27
Surface area
5.1466708909789E+18
Circumference
4021037610.0633
Perimeter
2559872048
Area
409559056383232144
Diagonal
905051442.05535
Surface area
2457354338299392864
Volume
2.6210469511017E+26
Space diagonal
1108457112.0028
Perimeter
1919904036
Area
1.7734427358893E+17
Altitude
554228556.00142
Surface area
1.7734427358893E+17
Volume
3.0889334548873E+25
Height
301683814.01845