20809983 is an odd 8-digits composite number following 20809982
and preceding 20809984 . In scientific notation, it is written as 2.0809983 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 13873320 positive integers (up to 20809983) that are relatively prime to 20809983.
20809983 has 4 divisors, whose sum is 27746648
The reverse of 20809983 is 38990802
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million eight hundred nine thousand nine hundred eighty-three
Scientific notation
2.0809983 × 10^7
Engineering notation
2.0809983 × 10^6
Prime Factorization
3 × 6936661
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20809983
Product of the distinct prime numbers
The prime factorization of 20809983 is 3 × 6936661.
Since it has a total of 2 prime factors.
5 , 9 , 34 , 100 , 353 , 734 , 1144 , 6169 , 14334 , 98650 , 762449 , 520172 , 6393241 , 6104538 , 54634401 , 83130842 , 143169366 , 673461685 , 1826169250 , 3603034553
n×2
41619966
n×3
62429949
n×4
83239932
n×5
104049915
n÷2
10404991.5
n÷3
6936661
n÷3
5202495.75
n÷5
4161996.6
n2
433055392460289
n3
9.0118753551569E+21
n4
1.8753697293893E+29
n5
3.9026412187307E+36
2 √n
4561.796027882
3 √n
275.05776417424
4 √n
67.541069194098
5 √n
29.084014004039
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
-20809982
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 20809983 can be divided by 4 positive divisors.
The sum of these divisors (counting 20809983) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011000100011111111
3
Ternary
1110011020221010
4
Quaternary
1033120203333
5
Quinary
20311404413
6
Senary
2022010303
8
Octal
117304377
10
Decimal
20809983
12
Duodecimal
6b76993
16
Hexadecimal
13d88ff
20
Vigesimal
6a14j3
36
Base36
ce133
md5
39fec28e6fa234c00ae171d173b64f3e
sha1
b533fae295121ff2aa36bb66c43b0f93f379b647
sha256
2e6a26642f9edc0a1689132a76dd3f0b82824da1a5b37d7189bacbf535c6de70
sha512
dafb77ff147d6afc8a3e21206a95b89eac0b5ed8831f13e2eb1b06b438fdb6511c810ac48bc59ac143ddd1a0906b931ce33ee7e2c216b895486734cb427f26d6
ripemd-160
539b5331125c3aede40a62e563fd762667983c58
Diameter
41619966
Circumference
130752979.42826
Area
1.3604836395507E+15
Volume
3.7748855214437E+22
Surface area
5.4419345582028E+15
Circumference
130752979.42826
Perimeter
83239932
Area
433055392460289
Diagonal
29429760.191354
Surface area
2598332354761734
Volume
9.0118753551569E+21
Space diagonal
36043947.860645
Perimeter
62429949
Area
1.8751848555823E+14
Altitude
18021973.930322
Surface area
1.8751848555823E+14
Volume
1.0620596958066E+21
Height
9809920.0637845