19989938 is an even 8-digits composite number following 19989937
and preceding 19989939 . In scientific notation, it is written as 1.9989938 × 10^7.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 9468900 positive integers (up to 19989938) that are relatively prime to 19989938.
19989938 has 8 divisors, whose sum is 31563120
The reverse of 19989938 is 83998991
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
nineteen million nine hundred eighty-nine thousand nine hundred thirty-eight
Scientific notation
1.9989938 × 10^7
Engineering notation
1.9989938 × 10^6
Prime Factorization
2 × 19 × 526051
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19989938
Product of the distinct prime numbers
The prime factorization of 19989938 is 2 × 19 × 526051.
Since it has a total of 3 prime factors.
3 , 7 , 63 , 68 , 838 , 625 , 5884 , 6711 , 65443 , 6826 , 348672 , 836744 , 1994433 , 7545399 , 66592008 , 75255115 , 741270641 , 67569399 , 2156347114 , 2365253724
n×2
39979876
n×3
59969814
n×4
79959752
n×5
99949690
n÷2
9994969
n÷3
6663312.6666667
n÷3
4997484.5
n÷5
3997987.6
n2
399597621243844
n3
7.9879316736119E+21
n4
1.5967825890374E+29
n5
3.1919584954337E+36
2 √n
4471.0108476719
3 √n
271.39623324009
4 √n
66.865617829135
5 √n
28.851094244419
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19989937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19989938 can be divided by 8 positive divisors.
The sum of these divisors (counting 19989938) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010000010110110010
3
Ternary
1101121121001002
4
Quaternary
1030100112302
5
Quinary
20104134223
6
Senary
1552242002
8
Octal
114202662
10
Decimal
19989938
12
Duodecimal
6840302
16
Hexadecimal
13105b2
20
Vigesimal
64iegi
36
Base36
bwgc2
md5
11840d7322273c7f6cf52d2b8485998a
sha1
b6544fd1293106af9d05a8f00e37cb5498234237
sha256
2d23eb112d98d171449a627d335ca0d2561125225ff8564b2d3b8849add07848
sha512
98319d6874815bc62de43ea61402dc6db6016717075449e36ca8791cd6d94e54c290b51d82441721b721b551e34a0675342804f8ba20dc6b8137f552e1768f34
ripemd-160
e456ada3764a8b53e9126ee4ff04377e83cab5c2
Diameter
39979876
Circumference
125600484.73303
Area
1.2553729512916E+15
Volume
3.3459769950929E+22
Surface area
5.0214918051665E+15
Circumference
125600484.73303
Perimeter
79959752
Area
399597621243844
Diagonal
28270041.430597
Surface area
2397585727463064
Volume
7.9879316736119E+21
Space diagonal
34623588.256152
Perimeter
59969814
Area
1.730308456445E+14
Altitude
17311794.128076
Surface area
1.730308456445E+14
Volume
9.4138677567763E+20
Height
9423347.1435324