639744564 is an even 9-digits composite number following 639744563
and preceding 639744565 . In scientific notation, it is written as 6.39744564 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors.
There are 213248184 positive integers (up to 639744564) that are relatively prime to 639744564.
639744564 has 12 divisors, whose sum is 1492737344
The reverse of 639744564 is 465447936
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred thirty-nine million seven hundred forty-four thousand five hundred sixty-four
Scientific notation
6.39744564 × 10^8
Engineering notation
6.39744564 × 10^6
Prime Factorization
2 × 2 × 3 × 53312047
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
319872282
Product of the distinct prime numbers
The prime factorization of 639744564 is 2 × 2 × 3 × 53312047.
Since it has a total of 4 prime factors.
6 , 2 , 66 , 70 , 761 , 776 , 4865 , 9146 , 68642 , 13682 , 463843 , 965725 , 1420839 , 6898383 , 49093462 , 79124119 , 559855050 , 226864981 , 1459572049 , 7886517177
n×2
1279489128
n×3
1919233692
n×4
2558978256
n×5
3198722820
n÷2
319872282
n÷3
213248188
n÷3
159936141
n÷5
127948912.8
n2
409273107167550096
n3
2.6183024550183E+26
n4
1.6750447625058E+35
n5
1.0716007812698E+44
2 √n
25293.172280281
3 √n
861.65921071898
4 √n
159.03827300459
5 √n
57.703389032037
1 , 2 , 3 , 4 , 6 , 12 , 53312047 , 106624094 , 159936141 , 213248188 , 319872282 , 639744564
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639744563
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639744564 can be divided by 12 positive divisors.
The sum of these divisors (counting 639744564) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110001000011011101000110100
3
Ternary
1122120210101120010
4
Quaternary
212020123220310
5
Quinary
2302233311224
6
Senary
143251540220
8
Octal
4610335064
10
Decimal
639744564
12
Duodecimal
15a2ba670
16
Hexadecimal
2621ba34
20
Vigesimal
9ji8184
36
Base36
akvy2c
md5
0e0541131f6f21768d95f015e41647cd
sha1
ce9a019fd99275cc4e6b18183cbe472450f105a0
sha256
0e561f69e3ef14595e8a5fc73a7b3593def88c4dd0b52a5af4a1e7688d468beb
sha512
6bfc579f11a0c3b30100cadf31f6b239034af6e3cdb461cd1e25eb128557badfc311046a690603a84563d9536b6003d5be68b09629aef2e7ecb8d54c8760c002
ripemd-160
8b0961ccc512e0dfa6c00295e1cab14c58f8f60b
Diameter
1279489128
Circumference
4019633644.8728
Area
1.2857693867894E+18
Volume
1.0967519676749E+27
Surface area
5.1430775471578E+18
Circumference
4019633644.8728
Perimeter
2558978256
Area
409273107167550096
Diagonal
904735438.86326
Surface area
2455638643005300576
Volume
2.6183024550183E+26
Space diagonal
1108070088.714
Perimeter
1919233692
Area
1.7722045394644E+17
Altitude
554035044.357
Surface area
1.7722045394644E+17
Volume
3.0856990352347E+25
Height
301578479.62109