20189725 is an odd 8-digits composite number following 20189724
and preceding 20189726 . In scientific notation, it is written as 2.0189725 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 16106480 positive integers (up to 20189725) that are relatively prime to 20189725.
20189725 has 8 divisors, whose sum is 21056256
The reverse of 20189725 is 52798102
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred eighty-nine thousand seven hundred twenty-five
Scientific notation
2.0189725 × 10^7
Engineering notation
2.0189725 × 10^6
Prime Factorization
25 × 443 × 1823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20189725
Product of the distinct prime numbers
The prime factorization of 20189725 is 25 × 443 × 1823.
Since it has a total of 3 prime factors.
1 , 10 , 31 , 85 , 178 , 972 , 5783 , 333 , 9367 , 36962 , 65824 , 879179 , 7623184 , 2693309 , 29166959 , 33896062 , 669296185 , 218059121 , 3115823267 , 3120340892
n×2
40379450
n×3
60569175
n×4
80758900
n×5
100948625
n÷2
10094862.5
n÷3
6729908.3333333
n÷3
5047431.25
n÷5
4037945
n2
407624995575625
n3
8.2298365637981E+21
n4
1.6615813701803E+29
n5
3.3546870929063E+36
2 √n
4493.2977867041
3 √n
272.29738325975
4 √n
67.032065362065
5 √n
28.908534817334
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
-20189724
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 20189725 can be divided by 8 positive divisors.
The sum of these divisors (counting 20189725) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000001001000011101
3
Ternary
1101222202002121
4
Quaternary
1031001020131
5
Quinary
20132032400
6
Senary
2000422541
8
Octal
115011035
10
Decimal
20189725
12
Duodecimal
6917a51
16
Hexadecimal
134121d
20
Vigesimal
663e65
36
Base36
c0qhp
md5
ebcce183ea5cd894ebce402269ef939e
sha1
2e4b8eaa4aa857fc1ee4560b6d0592f99faaaee7
sha256
4cb4e6eef459026579d4784a367f6551d02f0e5a7d0869f452d53a9710039045
sha512
1169f1ec101bf062e70cff2ca637ffbff5a4342300afc6e21c8c7ced364ddc6a3e384e0fbecefc3468c7ed490b43c79fca206beb0d154fab3a860940bd0465ce
ripemd-160
486a7ecda683cb3ce0b3a55e61007adfc557725c
Diameter
40379450
Circumference
126855783.476
Area
1.28059169152E+15
Volume
3.447305878543E+22
Surface area
5.1223667660798E+15
Circumference
126855783.476
Perimeter
80758900
Area
407624995575625
Diagonal
28552582.915583
Surface area
2445749973453750
Volume
8.2298365637981E+21
Space diagonal
34969629.490844
Perimeter
60569175
Area
1.7650680069301E+14
Altitude
17484814.745422
Surface area
1.7650680069301E+14
Volume
9.6989554038644E+20
Height
9517527.6385277