20508973 is an odd 8-digits composite number following 20508972
and preceding 20508974 . In scientific notation, it is written as 2.0508973 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20462848 positive integers (up to 20508973) that are relatively prime to 20508973.
20508973 has 4 divisors, whose sum is 20555100
The reverse of 20508973 is 37980502
Previous prime number is 449
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million five hundred eight thousand nine hundred seventy-three
Scientific notation
2.0508973 × 10^7
Engineering notation
2.0508973 × 10^6
Prime Factorization
449 × 45677
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20508973
Product of the distinct prime numbers
The prime factorization of 20508973 is 449 × 45677.
Since it has a total of 2 prime factors.
3 , 7 , 10 , 22 , 204 , 503 , 9142 , 9605 , 88009 , 94843 , 916811 , 231172 , 2173556 , 7218537 , 14287464 , 43012524 , 769217175 , 653118196 , 3423274867 , 5749528780
n×2
41017946
n×3
61526919
n×4
82035892
n×5
102544865
n÷2
10254486.5
n÷3
6836324.3333333
n÷3
5127243.25
n÷5
4101794.6
n2
420617973514729
n3
8.6264426621283E+21
n4
1.7691947964364E+29
n5
3.6284368311854E+36
2 √n
4528.6833627446
3 √n
273.72510925109
4 √n
67.295492885814
5 √n
28.999384659748
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
-20508972
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 20508973 can be divided by 4 positive divisors.
The sum of these divisors (counting 20508973) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001111000100101101
3
Ternary
1102120222000121
4
Quaternary
1032033010231
5
Quinary
20222241343
6
Senary
2011324541
8
Octal
116170455
10
Decimal
20508973
12
Duodecimal
6a50751
16
Hexadecimal
138f12d
20
Vigesimal
683c8d
36
Base36
c7ktp
md5
e1d731bc247e2fd0caae275663a7d569
sha1
263cad089e2c9cb6fec19bed0c36e7d1d642ed1a
sha256
71522a97533cfde4b4ab2f9b4a7c3fc9a9464e7f28de862c120418d0db57a87f
sha512
0fecec36636c77727d017af4ce8334c3111d4994eb76d120de6ef435ed0c03c8341f7d0d82601b6ddad11eb8108d697a83b87c122741703b4c3c9f6dd2ebbfdf
ripemd-160
e47192ba3f3e0ed8ae087e6d69e3c129f900f562
Diameter
41017946
Circumference
128861677.81894
Area
1.3214103355617E+15
Volume
3.6134358525274E+22
Surface area
5.2856413422468E+15
Circumference
128861677.81894
Perimeter
82035892
Area
420617973514729
Diagonal
29004067.766944
Surface area
2523707841088374
Volume
8.6264426621283E+21
Space diagonal
35522583.247058
Perimeter
61526919
Area
1.8213292517604E+14
Altitude
17761291.623529
Surface area
1.8213292517604E+14
Volume
1.016636017318E+21
Height
9668022.5889812