639859904 is an even 9-digits composite number following 639859903
and preceding 639859905 . In scientific notation, it is written as 6.39859904 × 10^8.
The sum of its digits is 53. It has a total of 8 prime factors and 28 positive divisors.
There are 319697664 positive integers (up to 639859904) that are relatively prime to 639859904.
639859904 has 28 divisors, whose sum is 1270644144
The reverse of 639859904 is 409958936
Previous prime number is 1847
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred thirty-nine million eight hundred fifty-nine thousand nine hundred four
Scientific notation
6.39859904 × 10^8
Engineering notation
6.39859904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 1847 × 5413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
19995622
Product of the distinct prime numbers
The prime factorization of 639859904 is 2 × 2 × 2 × 2 × 2 × 2 × 1847 × 5413.
Since it has a total of 8 prime factors.
8 , 2 , 76 , 50 , 341 , 867 , 1838 , 7582 , 92329 , 90684 , 776006 , 688460 , 3006852 , 7838411 , 66891146 , 74248108 , 132115794 , 132309254 , 9770881317 , 5949430300
n×2
1279719808
n×3
1919579712
n×4
2559439616
n×5
3199299520
n÷2
319929952
n÷3
213286634.66667
n÷3
159964976
n÷5
127971980.8
n2
409420696746889216
n3
2.6197188771608E+26
n4
1.6762530692471E+35
n5
1.0725671279681E+44
2 √n
25295.452239484
3 √n
861.71099065684
4 √n
159.04544080068
5 √n
57.705469558968
1 , 2 , 4 , 8 , 16 , 32 , 64 , 1847 , 3694 , 5413 , 7388 , 10826 , 14776 , 21652 , 29552 , 43304 , 59104 , 86608 , 118208 , 173216 , 346432 , 9997811 , 19995622 , 39991244 , 79982488 , 159964976 , 319929952 , 639859904
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639859903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639859904 can be divided by 28 positive divisors.
The sum of these divisors (counting 639859904) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100110001000110111110011000000
3
Ternary
1122121000020202222
4
Quaternary
212020313303000
5
Quinary
2302301004104
6
Senary
143254230212
8
Octal
4610676300
10
Decimal
639859904
12
Duodecimal
15a355368
16
Hexadecimal
26237cc0
20
Vigesimal
9jj29f4
36
Base36
akyf28
md5
8c07babd17fa9e612a0eee66841a50d6
sha1
6befdf25c15bbaa94f9811d8554c9bcad8a5c701
sha256
febc35112ce99eed64464765209aaa28b8ef10fc0ad3cda4fd5af90d8ced194c
sha512
211f2b8c4c31f0b498eaca229cfb70b80fe604c876e4fb9967114ee9689c5e3a1610ca4a6174d3dbcb0f5d478afcf3809ad5af404df12dd903f24509da3b722d
ripemd-160
896a32e20594d2f5b54d2156f40cab2ae040b0cb
Diameter
1279719808
Circumference
4020358347.4661
Area
1.2862330531276E+18
Volume
1.0973452771945E+27
Surface area
5.1449322125106E+18
Circumference
4020358347.4661
Perimeter
2559439616
Area
409420696746889216
Diagonal
904898554.25555
Surface area
2456524180481335296
Volume
2.6197188771608E+26
Space diagonal
1108269863.4541
Perimeter
1919579712
Area
1.7728436210897E+17
Altitude
554134931.72707
Surface area
1.7728436210897E+17
Volume
3.087368304738E+25
Height
301632851.41852