20542485 is an odd 8-digits composite number following 20542484
and preceding 20542486 . In scientific notation, it is written as 2.0542485 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 10955984 positive integers (up to 20542485) that are relatively prime to 20542485.
20542485 has 4 divisors, whose sum is 21912000
The reverse of 20542485 is 58424502
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million five hundred forty-two thousand four hundred eighty-five
Scientific notation
2.0542485 × 10^7
Engineering notation
2.0542485 × 10^6
Prime Factorization
15 × 1369499
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20542485
Product of the distinct prime numbers
The prime factorization of 20542485 is 15 × 1369499.
Since it has a total of 2 prime factors.
2 , 5 , 46 , 8 , 726 , 656 , 1324 , 7157 , 18189 , 95212 , 787421 , 979029 , 2010623 , 9857669 , 91588039 , 72672567 , 91136377 , 903486181 , 2057911393 , 2652178602
n×2
41084970
n×3
61627455
n×4
82169940
n×5
102712425
n÷2
10271242.5
n÷3
6847495
n÷3
5135621.25
n÷5
4108497
n2
421993689975225
n3
8.6687990464107E+21
n4
1.7807867437891E+29
n5
3.6581784972486E+36
2 √n
4532.3818241627
3 √n
273.87411856639
4 √n
67.322966543095
5 √n
29.008855566048
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
-20542484
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 20542485 can be divided by 4 positive divisors.
The sum of these divisors (counting 20542485) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110010111010000010101
3
Ternary
1102122122222210
4
Quaternary
1032113100111
5
Quinary
20224324420
6
Senary
2012144033
8
Octal
116272025
10
Decimal
20542485
12
Duodecimal
6a68019
16
Hexadecimal
1397415
20
Vigesimal
687g45
36
Base36
c8aol
md5
410b5a2aae2fc1949caad44cfe20c83e
sha1
5c5e2653af861cabf305cf212bb38490046c442f
sha256
5a8976977210cfd57aa00db7adb66a4cf7c9ef0e9d9e553834696faa66006933
sha512
24eac303429b905a8905bab8ad4a9b3e9dfa9203ec784d6aad8e18f3f05db920c0d438fd85e697640f8eb07f82aa350505db51cfeeb7221b68ff7f70c1019020
ripemd-160
5bb6721b886cdd3879994aead1bd2528e64eaa5d
Diameter
41084970
Circumference
129072239.92496
Area
1.3257322762874E+15
Volume
3.6311780532867E+22
Surface area
5.3029291051497E+15
Circumference
129072239.92496
Perimeter
82169940
Area
421993689975225
Diagonal
29051460.891846
Surface area
2531962139851350
Volume
8.6687990464107E+21
Space diagonal
35580627.733722
Perimeter
61627455
Area
1.8272862787764E+14
Altitude
17790313.866861
Surface area
1.8272862787764E+14
Volume
1.0216277650767E+21
Height
9683820.297282