20190725 is an odd 8-digits composite number following 20190724
and preceding 20190726 . In scientific notation, it is written as 2.0190725 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 16152560 positive integers (up to 20190725) that are relatively prime to 20190725.
20190725 has 4 divisors, whose sum is 20998380
The reverse of 20190725 is 52709102
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred ninety thousand seven hundred twenty-five
Scientific notation
2.0190725 × 10^7
Engineering notation
2.0190725 × 10^6
Prime Factorization
25 × 807629
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20190725
Product of the distinct prime numbers
The prime factorization of 20190725 is 25 × 807629.
Since it has a total of 2 prime factors.
9 , 2 , 93 , 50 , 11 , 395 , 2055 , 8163 , 47508 , 4188 , 242360 , 476325 , 5004332 , 6274790 , 30350268 , 76689261 , 687318487 , 98434071 , 5629534648 , 8049679515
n×2
40381450
n×3
60572175
n×4
80762900
n×5
100953625
n÷2
10095362.5
n÷3
6730241.6666667
n÷3
5047681.25
n÷5
4038145
n2
407665376025625
n3
8.231059499355E+21
n4
1.6619105881011E+29
n5
3.3555179658938E+36
2 √n
4493.4090621709
3 √n
272.30187882846
4 √n
67.032895373622
5 √n
28.908821180443
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20190724
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20190725 can be divided by 4 positive divisors.
The sum of these divisors (counting 20190725) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000001011000000101
3
Ternary
1101222210110122
4
Quaternary
1031001120011
5
Quinary
20132100400
6
Senary
2000431325
8
Octal
115013005
10
Decimal
20190725
12
Duodecimal
6918545
16
Hexadecimal
1341605
20
Vigesimal
663gg5
36
Base36
c0r9h
md5
8b11a03b8c626d41db4c2711b94e4b75
sha1
30ee22064b5cc4a039ba1318f8b1ee82c3c0a43f
sha256
2f0de73691a42df493ca7b592140f87251a394270c8433d65540a3f42c799865
sha512
17ec46211718ddc5b614aa7473f6a273d5291c442f5a42c4812770713b5450097be2ad8b0ca74e7e474a089bbde61748c1876290a04aba1ffd7e6eaf07d1fd17
ripemd-160
5b61695c0a48f5c6573c8cc9094651a1022bebbe
Diameter
40381450
Circumference
126862066.6613
Area
1.280718550445E+15
Volume
3.4478181405912E+22
Surface area
5.1228742017801E+15
Circumference
126862066.6613
Perimeter
80762900
Area
407665376025625
Diagonal
28553997.129146
Surface area
2445992256153750
Volume
8.231059499355E+21
Space diagonal
34971361.541651
Perimeter
60572175
Area
1.7652428594076E+14
Altitude
17485680.770826
Surface area
1.7652428594076E+14
Volume
9.7003966472398E+20
Height
9517999.0430485