20821433 is an odd 8-digits prime number following 20821432
and preceding 20821434 . In scientific notation, it is written as 2.0821433 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 20821432 positive integers (up to 20821433) that are relatively prime to 20821433.
20821433 has 2 divisors, whose sum is 20821434
The reverse of 20821433 is 33412802
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million eight hundred twenty-one thousand four hundred thirty-three
Scientific notation
2.0821433 × 10^7
Engineering notation
2.0821433 × 10^6
Prime Factorization
20821433
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20821433
Product of the distinct prime numbers
The prime factorization of 20821433 is 20821433.
Since it has a total of 1 prime factors.
7 , 5 , 12 , 49 , 507 , 960 , 9661 , 8975 , 86508 , 14395 , 643249 , 652545 , 3942382 , 5694490 , 14163070 , 24230416 , 78694876 , 447380147 , 5689810832 , 2718736857
n×2
41642866
n×3
62464299
n×4
83285732
n×5
104107165
n÷2
10410716.5
n÷3
6940477.6666667
n÷3
5205358.25
n÷5
4164286.6
n2
433532072173489
n3
9.0267589941115E+21
n4
1.8795005760304E+29
n5
3.9133895317278E+36
2 √n
4563.0508434599
3 √n
275.10820204912
4 √n
67.550357833692
5 √n
29.087213801877
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20821434
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10410717
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4563.0509530357
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999039451
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20821433 can be divided by 2 positive divisors.
The sum of these divisors (counting 20821433) is 20821434, the average is 10410717.
Base
System
Value
2
Binary
1001111011011010110111001
3
Ternary
1110011211122012
4
Quaternary
1033123112321
5
Quinary
20312241213
6
Senary
2022135305
8
Octal
117332671
10
Decimal
20821433
12
Duodecimal
6b81535
16
Hexadecimal
13db5b9
20
Vigesimal
6a2dbd
36
Base36
ce9x5
md5
78823139c07781c33505bbeae01239a9
sha1
c28ca3b5d3200f6750afbce8775b0673f3840689
sha256
12c062ef56f97ae33ded501522234b6ce91254497dba146f8fded7282cb411ef
sha512
1427676053536faba96728aaf0d41eca387036afe0f3cd8d3c50881ebf782508d6d87d2b232a11c67943e64e4182afbbdb2fb2c93a66ab439b7678fbf3de3f45
ripemd-160
20cc5f7b372468f554a811bc27980ee2fdc5a264
Diameter
41642866
Circumference
130824921.90002
Area
1.3619811730358E+15
Volume
3.7811199655502E+22
Surface area
5.4479246921432E+15
Circumference
130824921.90002
Perimeter
83285732
Area
433532072173489
Diagonal
29445952.936643
Surface area
2601192433040934
Volume
9.0267589941115E+21
Space diagonal
36063779.842391
Perimeter
62464299
Area
1.8772489392878E+14
Altitude
18031889.921196
Surface area
1.8772489392878E+14
Volume
1.0638137494788E+21
Height
9815317.6455476