20172685 is an odd 8-digits composite number following 20172684
and preceding 20172686 . In scientific notation, it is written as 2.0172685 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 14896128 positive integers (up to 20172685) that are relatively prime to 20172685.
20172685 has 8 divisors, whose sum is 24351480
The reverse of 20172685 is 58627102
Previous prime number is 169
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred seventy-two thousand six hundred eighty-five
Scientific notation
2.0172685 × 10^7
Engineering notation
2.0172685 × 10^6
Prime Factorization
5 × 169 × 23873
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20172685
Product of the distinct prime numbers
The prime factorization of 20172685 is 5 × 169 × 23873.
Since it has a total of 3 prime factors.
8 , 1 , 9 , 2 , 992 , 376 , 650 , 6035 , 54115 , 68762 , 12310 , 355088 , 5387859 , 5650196 , 45097995 , 34577237 , 786581969 , 306454758 , 5677627098 , 2925442365
n×2
40345370
n×3
60518055
n×4
80690740
n×5
100863425
n÷2
10086342.5
n÷3
6724228.3333333
n÷3
5043171.25
n÷5
4034537
n2
406937220109225
n3
8.2090163560391E+21
n4
1.6559790111022E+29
n5
3.3405542957577E+36
2 √n
4491.4012290153
3 √n
272.22075594255
4 √n
67.017917223794
5 √n
28.903653445066
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
-20172684
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 20172685 can be divided by 8 positive divisors.
The sum of these divisors (counting 20172685) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111100111110001101
3
Ternary
1101221212201111
4
Quaternary
1030330332031
5
Quinary
20131011220
6
Senary
2000212021
8
Octal
114747615
10
Decimal
20172685
12
Duodecimal
690a011
16
Hexadecimal
133cf8d
20
Vigesimal
661be5
36
Base36
c0dcd
md5
c5e2bf0a05143f32c257599790fe7825
sha1
8df9f8c5086e2db6db49675f4b5722d3a0a9fe54
sha256
eeb9b9caecd4e2ebcf264f22a0da4439a3fc1172d2dfa59b126cf81e8a3d4ae3
sha512
15edda3bb76d61920fb517575b0e5b2028faaee68b24e65ac18d951ecbf53f00ecf453ec46211feed1acd8cb8f642b739814036d03c909ad84f2cbcee4d22e29
ripemd-160
d7155ef52d83d708d8fb1e5aaa717e1a74f13b78
Diameter
40345370
Circumference
126748717.99836
Area
1.2784309811674E+15
Volume
3.4385847303108E+22
Surface area
5.1137239246696E+15
Circumference
126748717.99836
Perimeter
80690740
Area
406937220109225
Diagonal
28528484.71648
Surface area
2441623320655350
Volume
8.2090163560391E+21
Space diagonal
34940115.345083
Perimeter
60518055
Area
1.7620898518E+14
Altitude
17470057.672541
Surface area
1.7620898518E+14
Volume
9.6744185537108E+20
Height
9509494.9054934