20187065 is an odd 8-digits composite number following 20187064
and preceding 20187066 . In scientific notation, it is written as 2.0187065 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 16149648 positive integers (up to 20187065) that are relatively prime to 20187065.
20187065 has 4 divisors, whose sum is 24224484
The reverse of 20187065 is 56078102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred eighty-seven thousand sixty-five
Scientific notation
2.0187065 × 10^7
Engineering notation
2.0187065 × 10^6
Prime Factorization
5 × 4037413
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20187065
Product of the distinct prime numbers
The prime factorization of 20187065 is 5 × 4037413.
Since it has a total of 2 prime factors.
4 , 9 , 45 , 26 , 264 , 370 , 5358 , 3858 , 857 , 41062 , 981882 , 60358 , 1969892 , 3214097 , 28874438 , 27993444 , 235250385 , 318665632 , 2133215495 , 8923170022
n×2
40374130
n×3
60561195
n×4
80748260
n×5
100935325
n÷2
10093532.5
n÷3
6729021.6666667
n÷3
5046766.25
n÷5
4037413
n2
407517593314225
n3
8.2265841448778E+21
n4
1.6607058886062E+29
n5
3.3524777719176E+36
2 √n
4493.0017805472
3 √n
272.28542432435
4 √n
67.029857381224
5 √n
28.907773036226
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
-20187064
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 20187065 can be divided by 4 positive divisors.
The sum of these divisors (counting 20187065) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000000011110111001
3
Ternary
1101222121110002
4
Quaternary
1031000132321
5
Quinary
20131441230
6
Senary
2000402345
8
Octal
115003671
10
Decimal
20187065
12
Duodecimal
69163b5
16
Hexadecimal
13407b9
20
Vigesimal
6637d5
36
Base36
c0oft
md5
a3fa1ad24502c1ef13fea89f2362e062
sha1
61992131a2db2734065048173543df521ee6e87b
sha256
0985c83d9e15a8feb7320639660558c34bf57a82cc0c982af0740f923c5b8bab
sha512
a081173b2de7296526e671a4c549eb5bff051ff648ab7db883443e955b31484784afb9f5b7e78d13f75582071d2da0040bd83f33150be013b7b9941065b55ede
ripemd-160
94b09ce1a165ccaf16a10fbc69f00986e7507946
Diameter
40374130
Circumference
126839070.20308
Area
1.2802542773646E+15
Volume
3.4459435084915E+22
Surface area
5.1210171094582E+15
Circumference
126839070.20308
Perimeter
80748260
Area
407517593314225
Diagonal
28548821.107507
Surface area
2445105559885350
Volume
8.2265841448778E+21
Space diagonal
34965022.235695
Perimeter
60561195
Area
1.7646029414961E+14
Altitude
17482511.117848
Surface area
1.7646029414961E+14
Volume
9.6951223914081E+20
Height
9516273.7025024