20542909 is an odd 8-digits composite number following 20542908
and preceding 20542910 . In scientific notation, it is written as 2.0542909 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 20206080 positive integers (up to 20542909) that are relatively prime to 20542909.
20542909 has 4 divisors, whose sum is 20879740
The reverse of 20542909 is 90924502
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million five hundred forty-two thousand nine hundred nine
Scientific notation
2.0542909 × 10^7
Engineering notation
2.0542909 × 10^6
Prime Factorization
61 × 336769
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20542909
Product of the distinct prime numbers
The prime factorization of 20542909 is 61 × 336769.
Since it has a total of 2 prime factors.
4 , 3 , 4 , 14 , 368 , 205 , 9225 , 9362 , 76943 , 92597 , 317133 , 839737 , 7504613 , 7292096 , 12993566 , 72399694 , 809429212 , 274883611 , 6259841318 , 9415367338
n×2
41085818
n×3
61628727
n×4
82171636
n×5
102714545
n÷2
10271454.5
n÷3
6847636.3333333
n÷3
5135727.25
n÷5
4108581.8
n2
422011110182281
n3
8.6693358334636E+21
n4
1.7809337711728E+29
n5
3.658556039623E+36
2 √n
4532.4285984448
3 √n
273.87600282118
4 √n
67.323313929461
5 √n
29.008975314493
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20542908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20542909 can be divided by 4 positive divisors.
The sum of these divisors (counting 20542909) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110010111010110111101
3
Ternary
1102122200120111
4
Quaternary
1032113112331
5
Quinary
20224333114
6
Senary
2012150021
8
Octal
116272675
10
Decimal
20542909
12
Duodecimal
6a68311
16
Hexadecimal
13975bd
20
Vigesimal
687h59
36
Base36
c8b0d
md5
b1458cfe9cbe2a0fa98830015a811be8
sha1
708e54444c0824d9254824497492bfa91d8f6589
sha256
4e6fe769300f2620af7cfd99bba6ddd8cae4e44aaabc57188f5222dc70d752c6
sha512
40ec7a034697480a06b49fd00c6d3ef67caa83a727e4642c446ed37d4f58afa82bda9ec90cbfdef190944671c66ab5cd455559b56331a3cd2fd9d0c213825bdd
ripemd-160
efe4b9a1b6c3ac4b6ea6551f6ac3d55cf748fa2b
Diameter
41085818
Circumference
129074903.99553
Area
1.3257870034819E+15
Volume
3.6314029021216E+22
Surface area
5.3031480139277E+15
Circumference
129074903.99553
Perimeter
82171636
Area
422011110182281
Diagonal
29052060.518396
Surface area
2532066661093686
Volume
8.6693358334636E+21
Space diagonal
35581362.123264
Perimeter
61628727
Area
1.8273617104856E+14
Altitude
17790681.061632
Surface area
1.8273617104856E+14
Volume
1.0216910260376E+21
Height
9684020.1727988