639739369 is an odd 9-digits composite number following 639739368
and preceding 639739370 . In scientific notation, it is written as 6.39739369 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 630975744 positive integers (up to 639739369) that are relatively prime to 639739369.
639739369 has 4 divisors, whose sum is 648502996
The reverse of 639739369 is 963937936
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred thirty-nine million seven hundred thirty-nine thousand three hundred sixty-nine
Scientific notation
6.39739369 × 10^8
Engineering notation
6.39739369 × 10^6
Prime Factorization
73 × 8763553
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
639739369
Product of the distinct prime numbers
The prime factorization of 639739369 is 73 × 8763553.
Since it has a total of 2 prime factors.
5 , 4 , 78 , 15 , 457 , 712 , 1921 , 420 , 12656 , 57076 , 312637 , 401024 , 7187301 , 3611006 , 91534296 , 64863755 , 150053841 , 456972148 , 1542042798 , 5785938828
n×2
1279478738
n×3
1919218107
n×4
2558957476
n×5
3198696845
n÷2
319869684.5
n÷3
213246456.33333
n÷3
159934842.25
n÷5
127947873.8
n2
409266460248518161
n3
2.6182386703225E+26
n4
1.6749903548435E+35
n5
1.0715572726887E+44
2 √n
25293.069584374
3 √n
861.65687836533
4 √n
159.03795013887
5 √n
57.703295316483
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639739368
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639739369 can be divided by 4 positive divisors.
The sum of these divisors (counting 639739369) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110001000011010010111101001
3
Ternary
1122120210010102201
4
Quaternary
212020122113221
5
Quinary
2302233124434
6
Senary
143251500201
8
Octal
4610322751
10
Decimal
639739369
12
Duodecimal
15a2b7661
16
Hexadecimal
2621a5e9
20
Vigesimal
9ji7889
36
Base36
akvu21
md5
1f4a20d7cabc4a8b51ba39638eb5b5f5
sha1
b2b0f7ce4e0981d71fd4f9c7d5f4c01323b55017
sha256
acc03fe7dee300d7d0ee6ef4d8a33c4f264d9ed60930333dc0d30cda724f7f44
sha512
0f2e677aaddd5a7c7a4e0f7c995f5e365b50e8c07163feba0bcb5368ed765a73f7a004d62a7841fff5a813af75fa73e3e684bdfa38d27230d958c6a1cc5a23d4
ripemd-160
c5d84a734b4e7c0bd958f8cd3c399f69ad2021d2
Diameter
1279478738
Circumference
4019601003.7251
Area
1.2857485048774E+18
Volume
1.096725249604E+27
Surface area
5.1429940195098E+18
Circumference
4019601003.7251
Perimeter
2558957476
Area
409266460248518161
Diagonal
904728092.02381
Surface area
2455598761491108966
Volume
2.6182386703225E+26
Space diagonal
1108061090.7101
Perimeter
1919218107
Area
1.7721757574608E+17
Altitude
554030545.35503
Surface area
1.7721757574608E+17
Volume
3.0856238642498E+25
Height
301576030.6746