20172157 is an odd 8-digits prime number following 20172156
and preceding 20172158 . In scientific notation, it is written as 2.0172157 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 20172156 positive integers (up to 20172157) that are relatively prime to 20172157.
20172157 has 2 divisors, whose sum is 20172158
The reverse of 20172157 is 75127102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred seventy-two thousand one hundred fifty-seven
Scientific notation
2.0172157 × 10^7
Engineering notation
2.0172157 × 10^6
Prime Factorization
20172157
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20172157
Product of the distinct prime numbers
The prime factorization of 20172157 is 20172157.
Since it has a total of 1 prime factors.
9 , 10 , 25 , 16 , 582 , 544 , 8184 , 5572 , 34058 , 77258 , 842549 , 464468 , 2617975 , 2490448 , 20531319 , 57023717 , 746296712 , 308123574 , 8299857261 , 8170355999
n×2
40344314
n×3
60516471
n×4
80688628
n×5
100860785
n÷2
10086078.5
n÷3
6724052.3333333
n÷3
5043039.25
n÷5
4034431.4
n2
406915918032649
n3
8.2083717843537E+21
n4
1.6558056434835E+29
n5
3.3401171401836E+36
2 √n
4491.3424496469
3 √n
272.21838088584
4 √n
67.01747868763
5 √n
28.903502138596
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20172158
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10086079
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4491.3425609722
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999008534
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20172157 can be divided by 2 positive divisors.
The sum of these divisors (counting 20172157) is 20172158, the average is 10086079.
Base
System
Value
2
Binary
1001100111100110101111101
3
Ternary
1101221211222221
4
Quaternary
1030330311331
5
Quinary
20131002112
6
Senary
2000205341
8
Octal
114746575
10
Decimal
20172157
12
Duodecimal
6909851
16
Hexadecimal
133cd7d
20
Vigesimal
661a7h
36
Base36
c0cxp
md5
89c3b53b5082fc396105196979c260d9
sha1
ee14b3a9818d919d9e986008442b0e47f84d40c7
sha256
adad1ae124dfde7fe3004d50cebbec1c35b55e910229b4f13a50532ef7856005
sha512
8595a07a292b9a880eb839011e0f320e0735782546783c5dd1d666d1960f77488794c22bdce591690cf7dfe85b5b0d9eff9854127c74305886094af0553c1c93
ripemd-160
a3491d76cbf6fcd627195412aefe5ed9d56712d5
Diameter
40344314
Circumference
126745400.47652
Area
1.2783640587201E+15
Volume
3.4383147327546E+22
Surface area
5.1134562348805E+15
Circumference
126745400.47652
Perimeter
80688628
Area
406915918032649
Diagonal
28527738.011719
Surface area
2441495508195894
Volume
8.2083717843537E+21
Space diagonal
34939200.822256
Perimeter
60516471
Area
1.7619976111027E+14
Altitude
17469600.411128
Surface area
1.7619976111027E+14
Volume
9.6736589186947E+20
Height
9509246.0039065