639969656 is an even 9-digits composite number following 639969655
and preceding 639969657 . In scientific notation, it is written as 6.39969656 × 10^8.
The sum of its digits is 59. It has a total of 5 prime factors and 16 positive divisors.
There are 312180160 positive integers (up to 639969656) that are relatively prime to 639969656.
639969656 has 16 divisors, whose sum is 1229210640
The reverse of 639969656 is 656969936
Previous prime number is 41
Is Prime? no
Number parity even
Number length 9
Sum of Digits 59
Digital Root 5
Name
six hundred thirty-nine million nine hundred sixty-nine thousand six hundred fifty-six
Scientific notation
6.39969656 × 10^8
Engineering notation
6.39969656 × 10^6
Prime Factorization
2 × 2 × 2 × 41 × 1951127
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
159992414
Product of the distinct prime numbers
The prime factorization of 639969656 is 2 × 2 × 2 × 41 × 1951127.
Since it has a total of 5 prime factors.
3 , 9 , 32 , 28 , 408 , 281 , 5371 , 1777 , 35129 , 4265 , 643123 , 303901 , 918330 , 6011378 , 69379125 , 17971870 , 645642372 , 795710576 , 9956954930 , 359719018
n×2
1279939312
n×3
1919908968
n×4
2559878624
n×5
3199848280
n÷2
319984828
n÷3
213323218.66667
n÷3
159992414
n÷5
127993931.2
n2
409561160600758336
n3
2.6210671506063E+26
n4
1.6774034427264E+35
n5
1.0734873042148E+44
2 √n
25297.62154828
3 √n
861.76025617954
4 √n
159.05226043122
5 √n
57.707449009836
1 , 2 , 4 , 8 , 41 , 82 , 164 , 328 , 1951127 , 3902254 , 7804508 , 15609016 , 79996207 , 159992414 , 319984828 , 639969656
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
-639969655
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 639969656 can be divided by 16 positive divisors.
The sum of these divisors (counting 639969656) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001001010010100101111000
3
Ternary
1122121012211022212
4
Quaternary
212021102211320
5
Quinary
2302313012111
6
Senary
143300434252
8
Octal
4611224570
10
Decimal
639969656
12
Duodecimal
15a3a8988
16
Hexadecimal
26252978
20
Vigesimal
9jjg42g
36
Base36
al0rqw
md5
d27e9fb045c8a6824a442a092373d81d
sha1
282407b724b61860f8e794e001d9a74b73e05d4b
sha256
f3e88d2ed11d274d2980b12058037d93595d9eac767a545176d4b7ccfede8d9d
sha512
aeacd1022965fb2a47f18d578aed838491f5ef1da16849ed82c243c350239cdfe99a7bcf8a79a7235b5e2f015faade2fc969829d50a1fea1572d71c3edd1ca96
ripemd-160
b5d743e5d6e306d62f96fdd5ba6e5adb506a782c
Diameter
1279939312
Circumference
4021047939.62
Area
1.2866743333391E+18
Volume
1.0979100406547E+27
Surface area
5.1466973333562E+18
Circumference
4021047939.62
Perimeter
2559878624
Area
409561160600758336
Diagonal
905053767.02244
Surface area
2457366963604550016
Volume
2.6210671506063E+26
Space diagonal
1108459959.4944
Perimeter
1919908968
Area
1.7734518474185E+17
Altitude
554229979.74719
Surface area
1.7734518474185E+17
Volume
3.0889572602317E+25
Height
301684589.00748