20172840 is an even 8-digits composite number following 20172839
and preceding 20172841 . In scientific notation, it is written as 2.0172840 × 10^7.
The sum of its digits is 24. It has a total of 6 prime factors and 32 positive divisors.
There are 5144832 positive integers (up to 20172840) that are relatively prime to 20172840.
20172840 has 32 divisors, whose sum is 50877600
The reverse of 20172840 is 04827102
Previous prime number is 115
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred seventy-two thousand eight hundred forty
Scientific notation
2.0172840 × 10^7
Engineering notation
2.0172840 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 115 × 7309
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5043210
Product of the distinct prime numbers
The prime factorization of 20172840 is 2 × 2 × 2 × 3 × 115 × 7309.
Since it has a total of 6 prime factors.
9 , 6 , 30 , 44 , 62 , 488 , 6343 , 1849 , 61854 , 56245 , 225928 , 886714 , 5910099 , 6313883 , 45941062 , 22630113 , 486385115 , 75416797 , 3637398014 , 7911093588
n×2
40345680
n×3
60518520
n×4
80691360
n×5
100864200
n÷2
10086420
n÷3
6724280
n÷3
5043210
n÷5
4034568
n2
406943473665600
n3
8.2092055833004E+21
n4
1.6560299075902E+29
n5
3.3406826361033E+36
2 √n
4491.4184841762
3 √n
272.22145315778
4 √n
67.018045959101
5 √n
28.903697862083
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 115 , 230 , 345 , 460 , 690 , 920 , 1380 , 2760 , 7309 , 14618 , 21927 , 29236 , 43854 , 58472 , 87708 , 175416 , 840535 , 1681070 , 2521605 , 3362140 , 5043210 , 6724280 , 10086420 , 20172840
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20172839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20172840 can be divided by 32 positive divisors.
The sum of these divisors (counting 20172840) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100111101000000101000
3
Ternary
1101221212221020
4
Quaternary
1030331000220
5
Quinary
20131012330
6
Senary
2000212440
8
Octal
114750050
10
Decimal
20172840
12
Duodecimal
690a120
16
Hexadecimal
133d028
20
Vigesimal
661c20
36
Base36
c0dgo
md5
66689e58d2e1fa2bcbeac9923fe944f1
sha1
91eb65820262c996a87911edbe3d8d045f855436
sha256
fe07c46cb639b7972cc055ff8851e84da314e2c2d6e72801a48482ca855bb2c9
sha512
8de0397f49ae3b5ef3625b67d7b2360f47b37d8da34031d44bd16d32220b1adcd55631493dabff2c0f1f0dbf2d34feb0d0d2e1439f8cb350728656046f3ec3c5
ripemd-160
15d9e42aca4609288997597c8d5640840e3b20db
Diameter
40345680
Circumference
126749691.89208
Area
1.2784506272942E+15
Volume
3.4386639936406E+22
Surface area
5.1138025091766E+15
Circumference
126749691.89208
Perimeter
80691360
Area
406943473665600
Diagonal
28528703.919582
Surface area
2441660841993600
Volume
8.2092055833004E+21
Space diagonal
34940383.812958
Perimeter
60518520
Area
1.7621169304935E+14
Altitude
17470191.906479
Surface area
1.7621169304935E+14
Volume
9.6746415601769E+20
Height
9509567.9731942