20494489 is an odd 8-digits composite number following 20494488
and preceding 20494490 . In scientific notation, it is written as 2.0494489 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 20408500 positive integers (up to 20494489) that are relatively prime to 20494489.
20494489 has 4 divisors, whose sum is 20580480
The reverse of 20494489 is 98449402
Previous prime number is 239
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million four hundred ninety-four thousand four hundred eighty-nine
Scientific notation
2.0494489 × 10^7
Engineering notation
2.0494489 × 10^6
Prime Factorization
239 × 85751
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20494489
Product of the distinct prime numbers
The prime factorization of 20494489 is 239 × 85751.
Since it has a total of 2 prime factors.
1 , 6 , 7 , 37 , 260 , 913 , 1640 , 8541 , 71691 , 96085 , 836548 , 783018 , 3973603 , 8228737 , 55758044 , 50967740 , 765940747 , 365472036 , 9953083714 , 1052154915
n×2
40988978
n×3
61483467
n×4
81977956
n×5
102472445
n÷2
10247244.5
n÷3
6831496.3333333
n÷3
5123622.25
n÷5
4098897.8
n2
420024079371121
n3
8.6081788744066E+21
n4
1.7642022725156E+29
n5
3.6156424067846E+36
2 √n
4527.0839400214
3 √n
273.66065667936
4 √n
67.283608256554
5 √n
28.995287469785
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
-20494488
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 20494489 can be divided by 4 positive divisors.
The sum of these divisors (counting 20494489) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001011100010011001
3
Ternary
1102120020011011
4
Quaternary
1032023202121
5
Quinary
20221310424
6
Senary
2011133521
8
Octal
116134231
10
Decimal
20494489
12
Duodecimal
6a442a1
16
Hexadecimal
138b899
20
Vigesimal
681g49
36
Base36
c79nd
md5
25dd1abffa83daf759407c177cf97f27
sha1
063a9a47af0fc9c00b75d6bfe602401b91403e88
sha256
a7dfcf4e66c5e478fc26f5337ba84e3fde5afa53c737a7510d72c66def3f19c5
sha512
4fa2561ac57ad8b704d9d83d6c0c4d43bf3df7b7302f5c0b14fa956327cb4ebb903a214fd6dbb0a59bd30c540223a5dd2b73e95394d7217b641f8488c927a6f9
ripemd-160
26555566fffd9baf0b67c44a67fd1fa1527823c4
Diameter
40988978
Circumference
128770672.16295
Area
1.3195445620831E+15
Volume
3.6057855350163E+22
Surface area
5.2781782483325E+15
Circumference
128770672.16295
Perimeter
81977956
Area
420024079371121
Diagonal
28983584.297706
Surface area
2520144476226726
Volume
8.6081788744066E+21
Space diagonal
35497496.223161
Perimeter
61483467
Area
1.8187576146828E+14
Altitude
17748748.111581
Surface area
1.8187576146828E+14
Volume
1.0144836092933E+21
Height
9661194.7659021