639968013 is an odd 9-digits composite number following 639968012
and preceding 639968014 . In scientific notation, it is written as 6.39968013 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 404190000 positive integers (up to 639968013) that are relatively prime to 639968013.
639968013 has 16 divisors, whose sum is 998001600
The reverse of 639968013 is 310869936
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred thirty-nine million nine hundred sixty-eight thousand thirteen
Scientific notation
6.39968013 × 10^8
Engineering notation
6.39968013 × 10^6
Prime Factorization
19 × 9 × 3 × 1247501
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
639968013
Product of the distinct prime numbers
The prime factorization of 639968013 is 19 × 9 × 3 × 1247501.
Since it has a total of 4 prime factors.
9 , 5 , 74 , 15 , 706 , 254 , 5442 , 319 , 6490 , 52795 , 543931 , 948095 , 3594865 , 8890401 , 86124069 , 59452739 , 594640997 , 527858749 , 5736040014 , 4619315323
n×2
1279936026
n×3
1919904039
n×4
2559872052
n×5
3199840065
n÷2
319984006.5
n÷3
213322671
n÷3
159992003.25
n÷5
127993602.6
n2
409559057663168169
n3
2.6210469633885E+26
n4
1.6773862171394E+35
n5
1.0734735244163E+44
2 √n
25297.589074851
3 √n
861.75951871055
4 √n
159.05215834704
5 √n
57.707419379232
1 , 3 , 9 , 19 , 27 , 57 , 171 , 513 , 1247501 , 3742503 , 11227509 , 23702519 , 33682527 , 71107557 , 213322671 , 639968013
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
-639968012
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 639968013 can be divided by 16 positive divisors.
The sum of these divisors (counting 639968013) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001001010010001100001101
3
Ternary
1122121012202002000
4
Quaternary
212021102030031
5
Quinary
2302312434023
6
Senary
143300422513
8
Octal
4611221415
10
Decimal
639968013
12
Duodecimal
15a3a7a39
16
Hexadecimal
2625230d
20
Vigesimal
9jjg00d
36
Base36
al0qh9
md5
b87e9cfe01a3e8c338e3467eb4e629ec
sha1
234c32a50702d7313b78fb00a6e99a06324a04bd
sha256
32b05e13797c33829592a434d7a5e1506e87c7fa8addad6cbc0c3a817ff0a7c3
sha512
738235e8d8a88d536cd6901bb04c920a3162394e7d85c3ca6343c7cf055e0735145c5bda82e43fc9e705c17d421b5f460df11a4c8b28c21aa95c96bf9f6ae9a7
ripemd-160
1b6350c83a1aa7b65b48f13e44d7985269652353
Diameter
1279936026
Circumference
4021037616.3465
Area
1.2866677267658E+18
Volume
1.0979015846527E+27
Surface area
5.1466709070631E+18
Circumference
4021037616.3465
Perimeter
2559872052
Area
409559057663168169
Diagonal
905051443.46956
Surface area
2457354345979009014
Volume
2.6210469633885E+26
Space diagonal
1108457113.7349
Perimeter
1919904039
Area
1.7734427414316E+17
Altitude
554228556.86745
Surface area
1.7734427414316E+17
Volume
3.0889334693674E+25
Height
301683814.48985