21130165 is an odd 8-digits composite number following 21130164
and preceding 21130166 . In scientific notation, it is written as 2.1130165 × 10^7.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 14489232 positive integers (up to 21130165) that are relatively prime to 21130165.
21130165 has 8 divisors, whose sum is 28978560
The reverse of 21130165 is 56103112
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million one hundred thirty thousand one hundred sixty-five
Scientific notation
2.1130165 × 10^7
Engineering notation
2.1130165 × 10^6
Prime Factorization
7 × 5 × 603719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21130165
Product of the distinct prime numbers
The prime factorization of 21130165 is 7 × 5 × 603719.
Since it has a total of 3 prime factors.
7 , 3 , 98 , 3 , 896 , 406 , 9299 , 9526 , 39755 , 24528 , 202578 , 162189 , 1211501 , 872994 , 63759495 , 43350352 , 235849673 , 395799332 , 8693004771 , 4490876674
n×2
42260330
n×3
63390495
n×4
84520660
n×5
105650825
n÷2
10565082.5
n÷3
7043388.3333333
n÷3
5282541.25
n÷5
4226033
n2
446483872927225
n3
9.4342779047913E+21
n4
1.9934784878409E+29
n5
4.212252937203E+36
2 √n
4596.7559212993
3 √n
276.46126833281
4 √n
67.799379947749
5 √n
29.172965450214
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
-21130164
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 21130165 can be divided by 8 positive divisors.
The sum of these divisors (counting 21130165) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100110101110110101
3
Ternary
1110202112010201
4
Quaternary
1100212232311
5
Quinary
20402131130
6
Senary
2032520501
8
Octal
120465665
10
Decimal
21130165
12
Duodecimal
70b0131
16
Hexadecimal
1426bb5
20
Vigesimal
6c1585
36
Base36
ckw51
md5
66971097971fef267c4271d672e54d33
sha1
a8138b5a8aa87123500218005c64292e6f853c86
sha256
5c63240c627c0e8aab97a4841ff109d54226181394785cbf4ac729fa9dda1052
sha512
01c62c099bc2111c9af0046ca00a564b45296e32af377a0ea77ab81f15bcf56783e8ad7835677f05b73285a02ab4a536b7139efd27bee300a3a158ef0b1ea777
ripemd-160
e5472ab81d698c93595a8969cf45d8a775209476
Diameter
42260330
Circumference
132764742.26628
Area
1.4026704551345E+15
Volume
3.9518210876822E+22
Surface area
5.610681820538E+15
Circumference
132764742.26628
Perimeter
84520660
Area
446483872927225
Diagonal
29882565.918181
Surface area
2678903237563350
Volume
9.4342779047913E+21
Space diagonal
36598519.352314
Perimeter
63390495
Area
1.9333318816752E+14
Altitude
18299259.676157
Surface area
1.9333318816752E+14
Volume
1.1118403136794E+21
Height
9960855.3060604