20189891 is an odd 8-digits prime number following 20189890
and preceding 20189892 . In scientific notation, it is written as 2.0189891 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 20189890 positive integers (up to 20189891) that are relatively prime to 20189891.
20189891 has 2 divisors, whose sum is 20189892
The reverse of 20189891 is 19898102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million one hundred eighty-nine thousand eight hundred ninety-one
Scientific notation
2.0189891 × 10^7
Engineering notation
2.0189891 × 10^6
Prime Factorization
20189891
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20189891
Product of the distinct prime numbers
The prime factorization of 20189891 is 20189891.
Since it has a total of 1 prime factors.
7 , 2 , 96 , 40 , 141 , 561 , 7899 , 6064 , 42666 , 97932 , 313712 , 748183 , 323628 , 6173117 , 9180991 , 87305115 , 595167556 , 460800865 , 3947568391 , 6352216332
n×2
40379782
n×3
60569673
n×4
80759564
n×5
100949455
n÷2
10094945.5
n÷3
6729963.6666667
n÷3
5047472.75
n÷5
4037978.2
n2
407631698591881
n3
8.2300395627149E+21
n4
1.661636016969E+29
n5
3.3548250064279E+36
2 √n
4493.3162586224
3 √n
272.29812953443
4 √n
67.032203146117
5 √n
28.908582354395
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20189892
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10094946
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4493.3163698987
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999009405
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20189891 can be divided by 2 positive divisors.
The sum of these divisors (counting 20189891) is 20189892, the average is 10094946.
Base
System
Value
2
Binary
1001101000001001011000011
3
Ternary
1101222202022202
4
Quaternary
1031001023003
5
Quinary
20132034031
6
Senary
2000423415
8
Octal
115011303
10
Decimal
20189891
12
Duodecimal
6917b6b
16
Hexadecimal
13412c3
20
Vigesimal
663eeb
36
Base36
c0qmb
md5
fa0ddcbf26ebf976348783aa195e1ffb
sha1
23bac92e42b6167177eb664517d7ec329182d182
sha256
0851725c62a4c0d0cedd791e4a979e60dca75901d5741c84ddcdff1fa7a1df14
sha512
2ea8ea87fbf567bb6028739c30b3b87b0cfdb512a98e06f86b2f472d5d11f7d30b461836e6ef98dc688789da3d9ea733ad839f524ac93793bf3b4ac8f7fc2023
ripemd-160
b12969da0455060b7d83c217709d43ce6874c579
Diameter
40379782
Circumference
126856826.48476
Area
1.2806127496666E+15
Volume
3.4473909105305E+22
Surface area
5.1224509986663E+15
Circumference
126856826.48476
Perimeter
80759564
Area
407631698591881
Diagonal
28552817.675034
Surface area
2445790191551286
Volume
8.2300395627149E+21
Space diagonal
34969917.011278
Perimeter
60569673
Area
1.7650970318419E+14
Altitude
17484958.505639
Surface area
1.7650970318419E+14
Volume
9.6991946403822E+20
Height
9517605.8916782