19809939 is an odd 8-digits composite number following 19809938
and preceding 19809940 . In scientific notation, it is written as 1.9809939 × 10^7.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 13206624 positive integers (up to 19809939) that are relatively prime to 19809939.
19809939 has 4 divisors, whose sum is 26413256
The reverse of 19809939 is 93990891
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million eight hundred nine thousand nine hundred thirty-nine
Scientific notation
1.9809939 × 10^7
Engineering notation
1.9809939 × 10^6
Prime Factorization
3 × 6603313
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19809939
Product of the distinct prime numbers
The prime factorization of 19809939 is 3 × 6603313.
Since it has a total of 2 prime factors.
6 , 6 , 87 , 11 , 548 , 675 , 3619 , 3338 , 48795 , 74338 , 910377 , 994992 , 3795391 , 3251785 , 14507813 , 41918717 , 646150840 , 482743770 , 6183331863 , 6837462794
n×2
39619878
n×3
59429817
n×4
79239756
n×5
99049695
n÷2
9904969.5
n÷3
6603313
n÷3
4952484.75
n÷5
3961987.8
n2
392433683183721
n3
7.7740873254148E+21
n4
1.5400419569714E+29
n5
3.0508137225044E+36
2 √n
4450.8357642133
3 √n
270.57918193791
4 √n
66.714584344154
5 √n
28.79894826456
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
-19809938
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 19809939 can be divided by 4 positive divisors.
The sum of these divisors (counting 19809939) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011100100011010010011
3
Ternary
1101021110010110
4
Quaternary
1023210122103
5
Quinary
20032404224
6
Senary
1544332403
8
Octal
113443223
10
Decimal
19809939
12
Duodecimal
6774103
16
Hexadecimal
12e4693
20
Vigesimal
63g4gj
36
Base36
bslg3
md5
52aa004eeeb37fed17b1479e1d6b1b74
sha1
fe46f3186518fa6e7fe07a91dc675f4483ee68e7
sha256
78e20aa7c90cbd593905b26b470e2bc9b405b70c00b76f07a0ebf9dc5fa4556d
sha512
c4b2c5194c1726547aaee5cd47ad10b2d375b5150ee495431de45df73e82c18f1243207a647e8466191e883b2f1c0dd35fa3858bfec82dcdaef8a6388e2b77e0
ripemd-160
e3e4e3a5e02b3824c394b57a8f446f93c8f3d1c0
Diameter
39619878
Circumference
124469517.66092
Area
1.2328667761112E+15
Volume
3.2564020839852E+22
Surface area
4.9314671044446E+15
Circumference
124469517.66092
Perimeter
79239756
Area
392433683183721
Diagonal
28015484.403584
Surface area
2354602099102326
Volume
7.7740873254148E+21
Space diagonal
34311820.84284
Perimeter
59429817
Area
1.699287694689E+14
Altitude
17155910.42142
Surface area
1.699287694689E+14
Volume
9.161849775562E+20
Height
9338494.8011946