20190925 is an odd 8-digits composite number following 20190924
and preceding 20190926 . In scientific notation, it is written as 2.0190925 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 16152720 positive integers (up to 20190925) that are relatively prime to 20190925.
20190925 has 4 divisors, whose sum is 20998588
The reverse of 20190925 is 52909102
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred ninety thousand nine hundred twenty-five
Scientific notation
2.0190925 × 10^7
Engineering notation
2.0190925 × 10^6
Prime Factorization
25 × 807637
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20190925
Product of the distinct prime numbers
The prime factorization of 20190925 is 25 × 807637.
Since it has a total of 2 prime factors.
10 , 8 , 90 , 73 , 798 , 159 , 1735 , 2331 , 84419 , 89540 , 750160 , 976412 , 3656604 , 5789243 , 92926708 , 23500007 , 581576766 , 809112989 , 7310486414 , 6694193582
n×2
40381850
n×3
60572775
n×4
80763700
n×5
100954625
n÷2
10095462.5
n÷3
6730308.3333333
n÷3
5047731.25
n÷5
4038185
n2
407673452355625
n3
8.2313041010035E+21
n4
1.6619764375555E+29
n5
3.3556841602451E+36
2 √n
4493.4313169336
3 √n
272.30277792439
4 √n
67.033061372234
5 √n
28.908878451703
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
-20190924
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 20190925 can be divided by 4 positive divisors.
The sum of these divisors (counting 20190925) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000001011011001101
3
Ternary
1101222210202001
4
Quaternary
1031001123031
5
Quinary
20132102200
6
Senary
2000432301
8
Octal
115013315
10
Decimal
20190925
12
Duodecimal
6918691
16
Hexadecimal
13416cd
20
Vigesimal
663h65
36
Base36
c0rf1
md5
2195811a85595eca50073ac62748de58
sha1
d232a659baf70c5f051356c02a9f134dffbb9ecd
sha256
50066f59499e6e4fe19f6b9928cbd5e7100fb56bbad97ff31c0dbd5391cd5f96
sha512
30082aa3ef706fcb418e7435952b821fbe4b80e957c08208ef48b277ffcfa01911c25cef729c65a5dd290b58f1edb7389fc4d9a6eaae7776fb0f4e5dfcf32b91
ripemd-160
4bec1a3504821f5265c2c9e4b44c0481ba88195e
Diameter
40381850
Circumference
126863323.29836
Area
1.280743922984E+15
Volume
3.4479205990901E+22
Surface area
5.1229756919361E+15
Circumference
126863323.29836
Perimeter
80763700
Area
407673452355625
Diagonal
28554279.971858
Surface area
2446040714133750
Volume
8.2313041010035E+21
Space diagonal
34971707.951813
Perimeter
60572775
Area
1.7652778309424E+14
Altitude
17485853.975906
Surface area
1.7652778309424E+14
Volume
9.700684913047E+20
Height
9518093.3239527