20190108 is an even 8-digits composite number following 20190107
and preceding 20190109 . In scientific notation, it is written as 2.0190108 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 6730032 positive integers (up to 20190108) that are relatively prime to 20190108.
20190108 has 12 divisors, whose sum is 47110280
The reverse of 20190108 is 80109102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred ninety thousand one hundred eight
Scientific notation
2.0190108 × 10^7
Engineering notation
2.0190108 × 10^6
Prime Factorization
2 × 2 × 3 × 1682509
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10095054
Product of the distinct prime numbers
The prime factorization of 20190108 is 2 × 2 × 3 × 1682509.
Since it has a total of 4 prime factors.
2 , 4 , 27 , 2 , 608 , 221 , 2182 , 5599 , 33221 , 24346 , 510083 , 310834 , 4830441 , 5805975 , 40465901 , 75216297 , 707703563 , 408117285 , 618101442 , 6087751243
n×2
40380216
n×3
60570324
n×4
80760432
n×5
100950540
n÷2
10095054
n÷3
6730036
n÷3
5047527
n÷5
4038021.6
n2
407640461051664
n3
8.2303049338029E+21
n4
1.6617074548641E+29
n5
3.3550052978112E+36
2 √n
4493.3404055335
3 √n
272.29910508011
4 √n
67.032383260134
5 √n
28.908644495745
1 , 2 , 3 , 4 , 6 , 12 , 1682509 , 3365018 , 5047527 , 6730036 , 10095054 , 20190108
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20190107
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20190108 can be divided by 12 positive divisors.
The sum of these divisors (counting 20190108) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000001001110011100
3
Ternary
1101222202121210
4
Quaternary
1031001032130
5
Quinary
20132040413
6
Senary
2000424420
8
Octal
115011634
10
Decimal
20190108
12
Duodecimal
6918110
16
Hexadecimal
134139c
20
Vigesimal
663f58
36
Base36
c0qsc
md5
1f9dacd0db4f3f22b7ada9ded4432987
sha1
389921c39a02853bb9d5aa6dcd669ed87e4bf372
sha256
e477bcc5dc721e600bdb29bafd77a65e71d32046935aa20db60783dd35357af5
sha512
d7c7296c91594fbc4ea362b6b2f97d91d0bac7ffe0ff46c8d4244e2d14de3e4759dfab4bcd698c397c4dc71e0997959fc7db22c0a12963856336f6c5bab62b33
ripemd-160
d9ac9c6ae90c406ae0cc5c9be157f14a43178f41
Diameter
40380216
Circumference
126858189.93597
Area
1.2806402777459E+15
Volume
3.4475020689119E+22
Surface area
5.1225611109835E+15
Circumference
126858189.93597
Perimeter
80760432
Area
407640461051664
Diagonal
28553124.559378
Surface area
2445842766309984
Volume
8.2303049338029E+21
Space diagonal
34970292.866303
Perimeter
60570324
Area
1.7651349744057E+14
Altitude
17485146.433151
Surface area
1.7651349744057E+14
Volume
9.6995073832085E+20
Height
9517708.1864592