20187245 is an odd 8-digits composite number following 20187244
and preceding 20187246 . In scientific notation, it is written as 2.0187245 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 14029824 positive integers (up to 20187245) that are relatively prime to 20187245.
20187245 has 16 divisors, whose sum is 27624240
The reverse of 20187245 is 54278102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred eighty-seven thousand two hundred forty-five
Scientific notation
2.0187245 × 10^7
Engineering notation
2.0187245 × 10^6
Prime Factorization
5 × 13 × 17 × 18269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20187245
Product of the distinct prime numbers
The prime factorization of 20187245 is 5 × 13 × 17 × 18269.
Since it has a total of 4 prime factors.
9 , 1 , 17 , 35 , 115 , 717 , 7681 , 8151 , 86173 , 41031 , 960922 , 770364 , 7780175 , 8923407 , 63425047 , 60249013 , 641001384 , 363883121 , 3845912860 , 5754513416
n×2
40374490
n×3
60561735
n×4
80748980
n×5
100936225
n÷2
10093622.5
n÷3
6729081.6666667
n÷3
5046811.25
n÷5
4037449
n2
407524860690025
n3
8.2268042063404E+21
n4
1.6607651208042E+29
n5
3.352627238113E+36
2 √n
4493.0218116542
3 √n
272.28623360876
4 √n
67.030006800344
5 √n
28.907824587856
1 , 5 , 13 , 17 , 65 , 85 , 221 , 1105 , 18269 , 91345 , 237497 , 310573 , 1187485 , 1552865 , 4037449 , 20187245
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
-20187244
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 20187245 can be divided by 16 positive divisors.
The sum of these divisors (counting 20187245) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000100001101101
3
Ternary
1101222121200202
4
Quaternary
1031000201231
5
Quinary
20131442440
6
Senary
2000403245
8
Octal
115004155
10
Decimal
20187245
12
Duodecimal
6916525
16
Hexadecimal
134086d
20
Vigesimal
663825
36
Base36
c0okt
md5
cac49ce719f7d900a4d1a79bb8058f40
sha1
28fc882ef242467842f4d48edcb9a767732f8bbc
sha256
fa31303ed5bad858c3a14c479c6a2138a6319f8508e28ece824ba7eaa2f8141b
sha512
6f292bcecda638db87788692619d4b5979512e3805971d91e065aeee6e7d9ed8dc31d5f2d8b3a6a7a6c7f22bfc0ec9445a5bda2736537040f956eee9b1ba3baf
ripemd-160
75a14ee03f7061dddc8a90a035fb8974bf15b823
Diameter
40374490
Circumference
126840201.17643
Area
1.280277108499E+15
Volume
3.4460356876214E+22
Surface area
5.1211084339959E+15
Circumference
126840201.17643
Perimeter
80748980
Area
407524860690025
Diagonal
28549075.665948
Surface area
2445149164140150
Volume
8.2268042063404E+21
Space diagonal
34965334.004841
Perimeter
60561735
Area
1.7646344101564E+14
Altitude
17482667.00242
Surface area
1.7646344101564E+14
Volume
9.6953817363289E+20
Height
9516358.5553162