20489505 is an odd 8-digits composite number following 20489504
and preceding 20489506 . In scientific notation, it is written as 2.0489505 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 9741312 positive integers (up to 20489505) that are relatively prime to 20489505.
20489505 has 16 divisors, whose sum is 26496720
The reverse of 20489505 is 50598402
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million four hundred eighty-nine thousand five hundred five
Scientific notation
2.0489505 × 10^7
Engineering notation
2.0489505 × 10^6
Prime Factorization
57 × 17 × 5 × 4229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20489505
Product of the distinct prime numbers
The prime factorization of 20489505 is 57 × 17 × 5 × 4229.
Since it has a total of 4 prime factors.
7 , 10 , 88 , 87 , 640 , 370 , 1294 , 6744 , 29470 , 49428 , 947886 , 560141 , 1415896 , 238161 , 24243626 , 71569110 , 85551296 , 231016508 , 3607585647 , 2224596471
n×2
40979010
n×3
61468515
n×4
81958020
n×5
102447525
n÷2
10244752.5
n÷3
6829835
n÷3
5122376.25
n÷5
4097901
n2
419819815145025
n3
8.6019002015131E+21
n4
1.762486771884E+29
n5
3.6112481524952E+36
2 √n
4526.5334418294
3 √n
273.63847127965
4 √n
67.279517253243
5 √n
28.993877075291
1 , 5 , 17 , 57 , 85 , 285 , 969 , 4229 , 4845 , 21145 , 71893 , 241053 , 359465 , 1205265 , 4097901 , 20489505
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20489504
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20489505 can be divided by 16 positive divisors.
The sum of these divisors (counting 20489505) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001010010100100001
3
Ternary
1102112222022120
4
Quaternary
1032022110201
5
Quinary
20221131010
6
Senary
2011054453
8
Octal
116122441
10
Decimal
20489505
12
Duodecimal
6a41429
16
Hexadecimal
138a521
20
Vigesimal
6813f5
36
Base36
c75sx
md5
4b3974a7a3a7c0fa72a6fbd2033ed9b5
sha1
1a12eb5745fb2db6bb05c42568da1ff6c784ea2d
sha256
f9a2105c69846d9b696712064be3c0632d2b77e35b626e186fad7614e02b99af
sha512
c920ef47c1b42e662f2b28558a33ad5d4021a23184f729e86edd1b7de81411bd0d15605b3539a505a3ed69ee07995c954b5681c9711c69e21135b9a92896a630
ripemd-160
c052149561d39a247b43847c8d041819cf1fa1bc
Diameter
40979010
Circumference
128739356.76738
Area
1.318902847091E+15
Volume
3.6031555306648E+22
Surface area
5.2756113883641E+15
Circumference
128739356.76738
Perimeter
81958020
Area
419819815145025
Diagonal
28976535.857311
Surface area
2518918890870150
Volume
8.6019002015131E+21
Space diagonal
35488863.681937
Perimeter
61468515
Area
1.8178731246384E+14
Altitude
17744431.840968
Surface area
1.8178731246384E+14
Volume
1.0137436605966E+21
Height
9658845.2857704