639739 is an odd 6-digits prime number following 639738
and preceding 639740 . In scientific notation, it is written as 6.39739 × 10^5.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 639738 positive integers (up to 639739) that are relatively prime to 639739.
639739 has 2 divisors, whose sum is 639740
The reverse of 639739 is 937936
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 37
Digital Root 1
Name
six hundred thirty-nine thousand seven hundred thirty-nine
Scientific notation
6.39739 × 10^5
Engineering notation
6.39739 × 10^3
Prime Factorization
639739
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
639739
Product of the distinct prime numbers
The prime factorization of 639739 is 639739.
Since it has a total of 1 prime factors.
3 , 10 , 70 , 60 , 115 , 563 , 5645 , 421 , 12590 , 80524 , 522086 , 376975 , 5465515 , 691253 , 61396913 , 62226362 , 698975452 , 782474771 , 2564348811 , 4930656908
n×2
1279478
n×3
1919217
n×4
2558956
n×5
3198695
n÷2
319869.5
n÷3
213246.33333333
n÷3
159934.75
n÷5
127947.8
n2
409265988121
n3
261823413974540419
n4
1.6749864903266E+23
n5
1.071554182335E+29
2 √n
799.8368583655
3 √n
86.165671269815
4 √n
28.281387136516
5 √n
14.494410783818
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
639740
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
319870
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
799.83748349274
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.99999687373
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639739 can be divided by 2 positive divisors.
The sum of these divisors (counting 639739) is 639740, the average is 319870.
Base
System
Value
2
Binary
10011100001011111011
3
Ternary
1012111120001
4
Quaternary
2130023323
5
Quinary
130432424
6
Senary
21413431
8
Octal
2341373
10
Decimal
639739
12
Duodecimal
26a277
16
Hexadecimal
9c2fb
20
Vigesimal
3jj6j
36
Base36
dpmj
md5
698ae4ea6ec7e744f9bebe8386e90952
sha1
175f0fe62e51bd514f964800a2834775081ba23e
sha256
5b49e788c814c33261b65f5ab7f607e071693e0d27c1cccf624a0d15a1207f16
sha512
27128c95a5237e147c8547e70a315fcd15916186ba42b9ad5e6e8a569309b5086f09f6002bece31bd07df27fa2bf4fee99419232d449bc62f5163431dcd44bbb
ripemd-160
c34fd603e84310de80b4138ab3b556df525304c2
Diameter
1279478
Circumference
4019598.6852298
Area
1285747021645.1
Volume
1.0967233518403E+18
Surface area
5142988086580.4
Circumference
4019598.6852298
Perimeter
2558956
Area
409265988121
Diagonal
904727.570179
Surface area
2455595928726
Volume
261823413974540419
Space diagonal
1108060.4515833
Perimeter
1919217
Area
177217371308.86
Altitude
554030.22579165
Surface area
177217371308.86
Volume
3.0856185249135E+16
Height
301575.85672633