20189865 is an odd 8-digits composite number following 20189864
and preceding 20189866 . In scientific notation, it is written as 2.0189865 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 10744896 positive integers (up to 20189865) that are relatively prime to 20189865.
20189865 has 16 divisors, whose sum is 32372928
The reverse of 20189865 is 56898102
Previous prime number is 587
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million one hundred eighty-nine thousand eight hundred sixty-five
Scientific notation
2.0189865 × 10^7
Engineering notation
2.0189865 × 10^6
Prime Factorization
5 × 3 × 587 × 2293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20189865
Product of the distinct prime numbers
The prime factorization of 20189865 is 5 × 3 × 587 × 2293.
Since it has a total of 4 prime factors.
10 , 5 , 95 , 7 , 546 , 729 , 3791 , 3093 , 95564 , 2176 , 718736 , 876855 , 7528967 , 1347568 , 91848589 , 49602314 , 206155482 , 593772329 , 1803794753 , 3761951935
n×2
40379730
n×3
60569595
n×4
80759460
n×5
100949325
n÷2
10094932.5
n÷3
6729955
n÷3
5047466.25
n÷5
4037973
n2
407630648718225
n3
8.2300077674834E+21
n4
1.6616274577444E+29
n5
3.3548034052153E+36
2 √n
4493.3133654354
3 √n
272.29801264831
4 √n
67.032181565539
5 √n
28.908574908852
1 , 3 , 5 , 15 , 587 , 1761 , 2293 , 2935 , 6879 , 8805 , 11465 , 34395 , 1345991 , 4037973 , 6729955 , 20189865
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20189864
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20189865 can be divided by 16 positive divisors.
The sum of these divisors (counting 20189865) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000001001010101001
3
Ternary
1101222202021210
4
Quaternary
1031001022221
5
Quinary
20132033430
6
Senary
2000423333
8
Octal
115011251
10
Decimal
20189865
12
Duodecimal
6917b49
16
Hexadecimal
13412a9
20
Vigesimal
663ed5
36
Base36
c0qll
md5
785a32b1f1271bde5f8350726316246b
sha1
13cfcce26d53d7b72da0cff3e2e2626fb814ff77
sha256
fbc9161c999e4e2d6369d7cc4a13fb399201631fe33b72db5663c0e2b39887c9
sha512
9e80fd206b5d915fed9b85930d344ce16df837a766f65a8631b48f4d15518a590534cf8200c5660728e9eec43a300637832115338ac2b0b65a25fd50aa544c29
ripemd-160
b4716eb9ca95cdf42289f03cfb2864217f2dc47f
Diameter
40379730
Circumference
126856663.12194
Area
1.2806094513912E+15
Volume
3.447377592175E+22
Surface area
5.1224378055649E+15
Circumference
126856663.12194
Perimeter
80759460
Area
407630648718225
Diagonal
28552780.905482
Surface area
2445783892309350
Volume
8.2300077674834E+21
Space diagonal
34969871.977957
Perimeter
60569595
Area
1.7650924857556E+14
Altitude
17484935.988978
Surface area
1.7650924857556E+14
Volume
9.6991571693424E+20
Height
9517593.6351606