639842967 is an odd 9-digits composite number following 639842966
and preceding 639842968 . In scientific notation, it is written as 6.39842967 × 10^8.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 416641680 positive integers (up to 639842967) that are relatively prime to 639842967.
639842967 has 8 divisors, whose sum is 859737840
The reverse of 639842967 is 769248936
Previous prime number is 129
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
six hundred thirty-nine million eight hundred forty-two thousand nine hundred sixty-seven
Scientific notation
6.39842967 × 10^8
Engineering notation
6.39842967 × 10^6
Prime Factorization
3 × 129 × 1653341
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
639842967
Product of the distinct prime numbers
The prime factorization of 639842967 is 3 × 129 × 1653341.
Since it has a total of 3 prime factors.
7 , 9 , 74 , 13 , 815 , 925 , 9135 , 8898 , 64879 , 6131 , 253854 , 87625 , 8489661 , 1891731 , 18170759 , 80286995 , 641347223 , 390276767 , 9594062947 , 7320814987
n×2
1279685934
n×3
1919528901
n×4
2559371868
n×5
3199214835
n÷2
319921483.5
n÷3
213280989
n÷3
159960741.75
n÷5
127968593.4
n2
409399022419363089
n3
2.619510851917E+26
n4
1.6760755955793E+35
n5
1.0724251819918E+44
2 √n
25295.11745377
3 √n
861.7033874676
4 √n
159.04438831273
5 √n
57.705164064631
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
-639842966
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 639842967 can be divided by 8 positive divisors.
The sum of these divisors (counting 639842967) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001000110011101010010111
3
Ternary
1122120222101112200
4
Quaternary
212020303222113
5
Quinary
2302244433332
6
Senary
143254015543
8
Octal
4610635227
10
Decimal
639842967
12
Duodecimal
15a3475b3
16
Hexadecimal
26233a97
20
Vigesimal
9jj0787
36
Base36
aky1zr
md5
c2d68fa8892ded743b32a58d67f954d6
sha1
c7d3a4deca2d2a953cc19f432d4ee95a3c5e31eb
sha256
73b93a21e21d09628c42868d9ad5f9be9e7540346c1669260ae735b31b8cc91b
sha512
dce8fc8b4c6b6766ee006a63a7a1e77d3380d0026f59b833f1ae42c4585725335a23dc2017a8725d079fc4e83a7f980051b44517149e301c452351b8eb6d9aff
ripemd-160
0024ede3f29498f5af6688600a2e9d3c056a1ac6
Diameter
1279685934
Circumference
4020251929.1566
Area
1.2861649612195E+18
Volume
1.0972581397842E+27
Surface area
5.1446598448781E+18
Circumference
4020251929.1566
Perimeter
2559371868
Area
409399022419363089
Diagonal
904874601.72044
Surface area
2456394134516178534
Volume
2.619510851917E+26
Space diagonal
1108240527.7096
Perimeter
1919528901
Area
1.7727497684984E+17
Altitude
554120263.85481
Surface area
1.7727497684984E+17
Volume
3.0871231446372E+25
Height
301624867.24015