6644639 is an odd 7-digits composite number following 6644638
and preceding 6644640 . In scientific notation, it is written as 6.644639 × 10^6.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 6531960 positive integers (up to 6644639) that are relatively prime to 6644639.
6644639 has 4 divisors, whose sum is 6757320
The reverse of 6644639 is 9364466
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 38
Digital Root 2
Name
six million six hundred forty-four thousand six hundred thirty-nine
Scientific notation
6.644639 × 10^6
Engineering notation
6.644639 × 10^6
Prime Factorization
59 × 112621
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
6644639
Product of the distinct prime numbers
The prime factorization of 6644639 is 59 × 112621.
Since it has a total of 2 prime factors.
2 , 6 , 27 , 94 , 927 , 596 , 484 , 2639 , 11406 , 78541 , 963264 , 716863 , 7025510 , 6788726 , 23220349 , 43196482 , 352790586 , 59973763 , 1267224211 , 9174442592
n×2
13289278
n×3
19933917
n×4
26578556
n×5
33223195
n÷2
3322319.5
n÷3
2214879.6666667
n÷3
1661159.75
n÷5
1328927.8
n2
44151227440321
n3
2.9336896774783E+20
n4
1.949330884487E+27
n5
1.2952600018967E+34
2 √n
2577.7197287525
3 √n
187.99968877269
4 √n
50.771249036758
5 √n
23.146976897373
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
-6644638
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 6644639 can be divided by 4 positive divisors.
The sum of these divisors (counting 6644639) is 1, the average is 0.25.
Base
System
Value
2
Binary
11001010110001110011111
3
Ternary
110111120201202
4
Quaternary
121112032133
5
Quinary
3200112024
6
Senary
354230115
8
Octal
31261637
10
Decimal
6644639
12
Duodecimal
228533b
16
Hexadecimal
65639f
20
Vigesimal
21abbj
36
Base36
3yf1b
md5
08ed4db4cad8374d2c368cb850ff91b1
sha1
d2998d760095c6eb42e1e80cccee9569a6d6033f
sha256
16acb81f7c487861222ed1ac1faa766372be30efd3b13cfd63ea796d157c1d45
sha512
2fb9da45143b36f931b15606dcf932f9c23f6cedcf46504c52bc75c161d40d983463c5633dc5120d4936e1a9c2096d1d95acb10fa353345fb01a90d393079f29
ripemd-160
12544de6c3ae67479f3a925e0f9364d46337d15f
Diameter
13289278
Circumference
41749498.136312
Area
1.3870517177348E+14
Volume
1.2288610584904E+21
Surface area
5.5482068709394E+14
Circumference
41749498.136312
Perimeter
26578556
Area
44151227440321
Diagonal
9396938.5908732
Surface area
264907364641926
Volume
2.9336896774783E+20
Space diagonal
11508852.345954
Perimeter
19933917
Area
19118042285791
Altitude
5754426.1729768
Surface area
19118042285791
Volume
3.4573864414031E+19
Height
3132312.8636244