20191438 is an even 8-digits composite number following 20191437
and preceding 20191439 . In scientific notation, it is written as 2.0191438 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 10087296 positive integers (up to 20191438) that are relatively prime to 20191438.
20191438 has 8 divisors, whose sum is 30312432
The reverse of 20191438 is 83419102
Previous prime number is 6977
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred ninety-one thousand four hundred thirty-eight
Scientific notation
2.0191438 × 10^7
Engineering notation
2.0191438 × 10^6
Prime Factorization
2 × 6977 × 1447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20191438
Product of the distinct prime numbers
The prime factorization of 20191438 is 2 × 6977 × 1447.
Since it has a total of 3 prime factors.
1 , 5 , 98 , 11 , 37 , 566 , 9748 , 8554 , 56437 , 47275 , 485399 , 623556 , 8426384 , 6385844 , 35831039 , 3487504 , 510578 , 883257583 , 2629057288 , 9783361800
n×2
40382876
n×3
60574314
n×4
80765752
n×5
100957190
n÷2
10095719
n÷3
6730479.3333333
n÷3
5047859.5
n÷5
4038287.6
n2
407694168507844
n3
8.2319315263877E+21
n4
1.662145350353E+29
n5
3.3561104788641E+36
2 √n
4493.488399896
3 √n
272.3050840783
4 √n
67.033487153034
5 √n
28.90902535041
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
-20191437
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 20191438 can be divided by 8 positive divisors.
The sum of these divisors (counting 20191438) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000001100011001110
3
Ternary
1101222211110001
4
Quaternary
1031001203032
5
Quinary
20132111223
6
Senary
2000434514
8
Octal
115014316
10
Decimal
20191438
12
Duodecimal
6918a3a
16
Hexadecimal
13418ce
20
Vigesimal
663ibi
36
Base36
c0rta
md5
f7a02ee3f6b4e4f90c412d6df77ced92
sha1
c9069543fb2e5552235b4447a53b66d92a0c557d
sha256
83d3da87ee9c4e10cb6c1abf126c418a6655e035ddcef2ec317eeedb977ef78e
sha512
7ba25f59d2b15a15d1781d4e084356f4e2af0a6d7cafad9a2545b1fc5b6381d4265cc934fe811b8534f84f34212b5809babcb33609964125b6515777b1d2e781
ripemd-160
1200068113e8c9e6afc325cc3d2ec1db8b9a1dd5
Diameter
40382876
Circumference
126866546.57243
Area
1.2808090046956E+15
Volume
3.4481834144205E+22
Surface area
5.1232360187826E+15
Circumference
126866546.57243
Perimeter
80765752
Area
407694168507844
Diagonal
28555005.463415
Surface area
2446165011047064
Volume
8.2319315263877E+21
Space diagonal
34972596.493877
Perimeter
60574314
Area
1.7653675345128E+14
Altitude
17486298.246938
Surface area
1.7653675345128E+14
Volume
9.7014243409534E+20
Height
9518335.1544718