20642021 is an odd 8-digits composite number following 20642020
and preceding 20642022 . In scientific notation, it is written as 2.0642021 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 20161932 positive integers (up to 20642021) that are relatively prime to 20642021.
20642021 has 4 divisors, whose sum is 21122112
The reverse of 20642021 is 12024602
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million six hundred forty-two thousand twenty-one
Scientific notation
2.0642021 × 10^7
Engineering notation
2.0642021 × 10^6
Prime Factorization
43 × 480047
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20642021
Product of the distinct prime numbers
The prime factorization of 20642021 is 43 × 480047.
Since it has a total of 2 prime factors.
2 , 8 , 95 , 57 , 948 , 422 , 502 , 4279 , 4150 , 56922 , 393585 , 105689 , 7076899 , 3334862 , 65219483 , 11644731 , 779832534 , 145235278 , 1211198181 , 5509072856
n×2
41284042
n×3
61926063
n×4
82568084
n×5
103210105
n÷2
10321010.5
n÷3
6880673.6666667
n÷3
5160505.25
n÷5
4128404.2
n2
426093030964441
n3
8.7954212931216E+21
n4
1.8155527103646E+29
n5
3.7476677173954E+36
2 √n
4543.3490951059
3 √n
274.3157467916
4 √n
67.404370000067
5 √n
29.036912983649
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
-20642020
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 20642021 can be divided by 4 positive divisors.
The sum of these divisors (counting 20642021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110101111100011100101
3
Ternary
1102211201112022
4
Quaternary
1032233203211
5
Quinary
20241021041
6
Senary
2014232525
8
Octal
116574345
10
Decimal
20642021
12
Duodecimal
6ab5745
16
Hexadecimal
13af8e5
20
Vigesimal
690511
36
Base36
cafhh
md5
1bb08d3db3bcbc4562eaac750748ae01
sha1
400f86f72010578c46bf676e72a3df46c1f8e125
sha256
f2e72bf62e2bdadd643c117c8940c94c5625d10c22717778cc070e7184a90b7e
sha512
44f71d671c3e110d99b0bd6dca0950a03656ef6c6afb980ca18ed22c3042291c56ece9c70a1b239a2888ba45685d5746559a6ed5b8a125594f529dd8fd42a148
ripemd-160
dff8bc78d63515f87afeeac8f201f350a8138bca
Diameter
41284042
Circumference
129697643.05769
Area
1.3386107358237E+15
Volume
3.6842174559598E+22
Surface area
5.3544429432948E+15
Circumference
129697643.05769
Perimeter
82568084
Area
426093030964441
Diagonal
29192226.05299
Surface area
2556558185786646
Volume
8.7954212931216E+21
Space diagonal
35753029.142904
Perimeter
61926063
Area
1.8450369459536E+14
Altitude
17876514.571452
Surface area
1.8450369459536E+14
Volume
1.0365503399598E+21
Height
9730742.0176634