20191225 is an odd 8-digits composite number following 20191224
and preceding 20191226 . In scientific notation, it is written as 2.0191225 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 16102800 positive integers (up to 20191225) that are relatively prime to 20191225.
20191225 has 8 divisors, whose sum is 21064160
The reverse of 20191225 is 52219102
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred ninety-one thousand two hundred twenty-five
Scientific notation
2.0191225 × 10^7
Engineering notation
2.0191225 × 10^6
Prime Factorization
25 × 379 × 2131
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20191225
Product of the distinct prime numbers
The prime factorization of 20191225 is 25 × 379 × 2131.
Since it has a total of 3 prime factors.
6 , 8 , 15 , 73 , 747 , 198 , 4201 , 1226 , 74088 , 50887 , 731238 , 649843 , 1422135 , 4095785 , 78884623 , 7021776 , 877435365 , 826475312 , 5949747362 , 83742193
n×2
40382450
n×3
60573675
n×4
80764900
n×5
100956125
n÷2
10095612.5
n÷3
6730408.3333333
n÷3
5047806.25
n÷5
4038245
n2
407685567000625
n3
8.2316710125622E+21
n4
1.6620752154062E+29
n5
3.355933464119E+36
2 √n
4493.464698871
3 √n
272.30412655715
4 √n
67.033310367839
5 √n
28.908964357742
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
-20191224
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 20191225 can be divided by 8 positive divisors.
The sum of these divisors (counting 20191225) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000001011111111001
3
Ternary
1101222211011011
4
Quaternary
1031001133321
5
Quinary
20132104400
6
Senary
2000433521
8
Octal
115013771
10
Decimal
20191225
12
Duodecimal
69188a1
16
Hexadecimal
13417f9
20
Vigesimal
663i15
36
Base36
c0rnd
md5
053283d7fd8278bee420a43bb087078f
sha1
38614131b6b4f0fd4a2b7b65941ea280a280a189
sha256
b6bc200162df57e4f578fa8f09f4e06afbf98270d828ded748ba9e37c08f0446
sha512
e82014ecd317749f5498dc0df8afb8f8dcc7975dabcc25eb1a98439c37045b578e2d00ca799aa4fc51c428afdbb749049718653213fc298a75d3c3b86fca8534
ripemd-160
b587a145891dedf0ff0c69991e9089e505e2bd6d
Diameter
40382450
Circumference
126865208.25396
Area
1.2807819822638E+15
Volume
3.4480742906445E+22
Surface area
5.123127929055E+15
Circumference
126865208.25396
Perimeter
80764900
Area
407685567000625
Diagonal
28554704.235927
Surface area
2446113402003750
Volume
8.2316710125622E+21
Space diagonal
34972227.567055
Perimeter
60573675
Area
1.765330288894E+14
Altitude
17486113.783527
Surface area
1.765330288894E+14
Volume
9.7011173224658E+20
Height
9518234.7453089