20172897 is an odd 8-digits composite number following 20172896
and preceding 20172898 . In scientific notation, it is written as 2.0172897 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 12657408 positive integers (up to 20172897) that are relatively prime to 20172897.
20172897 has 8 divisors, whose sum is 23733000
The reverse of 20172897 is 79827102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred seventy-two thousand eight hundred ninety-seven
Scientific notation
2.0172897 × 10^7
Engineering notation
2.0172897 × 10^6
Prime Factorization
9 × 17 × 131849
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20172897
Product of the distinct prime numbers
The prime factorization of 20172897 is 9 × 17 × 131849.
Since it has a total of 3 prime factors.
6 , 8 , 40 , 67 , 225 , 512 , 6285 , 2883 , 44435 , 66512 , 457615 , 761358 , 593602 , 3664134 , 22541604 , 53750094 , 734216743 , 347764019 , 3824832460 , 9783580595
n×2
40345794
n×3
60518691
n×4
80691588
n×5
100864485
n÷2
10086448.5
n÷3
6724299
n÷3
5043224.25
n÷5
4034579.4
n2
406945773372609
n3
8.209275170831E+21
n4
1.6560486246583E+29
n5
3.3407298332224E+36
2 √n
4491.4248296059
3 √n
272.22170955215
4 √n
67.018093300286
5 √n
28.903714196015
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
-20172896
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 20172897 can be divided by 8 positive divisors.
The sum of these divisors (counting 20172897) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111101000001100001
3
Ternary
1101221220000100
4
Quaternary
1030331001201
5
Quinary
20131013042
6
Senary
2000213013
8
Octal
114750141
10
Decimal
20172897
12
Duodecimal
690a169
16
Hexadecimal
133d061
20
Vigesimal
661c4h
36
Base36
c0di9
md5
588d8df9155ba336325e76968586f5b9
sha1
c9ec57d7c62cd35fb45dfc6febe466a16938c26e
sha256
ead6b9618ca541a0f4a8cb6ebded7e2d4ad266c117b3e3cffd21bcd4dd5aeaf8
sha512
eb73e92cb162d97efcf4b1436f8ebff854d045f76fca405670ece98526158f4239d92d66ac77840f25f2765194961f8d4c99a66fc148f71911ddbb79ec23239b
ripemd-160
0054d11f1c84e014426c580f39e2fc894dc7aab3
Diameter
40345794
Circumference
126750050.03365
Area
1.2784578520368E+15
Volume
3.4386931423973E+22
Surface area
5.1138314081472E+15
Circumference
126750050.03365
Perimeter
80691588
Area
406945773372609
Diagonal
28528784.529756
Surface area
2441674640235654
Volume
8.209275170831E+21
Space diagonal
34940482.539854
Perimeter
60518691
Area
1.7621268885169E+14
Altitude
17470241.269927
Surface area
1.7621268885169E+14
Volume
9.6747235698682E+20
Height
9509594.8432518