20402842 is an even 8-digits composite number following 20402841
and preceding 20402843 . In scientific notation, it is written as 2.0402842 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 10201420 positive integers (up to 20402842) that are relatively prime to 20402842.
20402842 has 4 divisors, whose sum is 30604266
The reverse of 20402842 is 24820402
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million four hundred two thousand eight hundred forty-two
Scientific notation
2.0402842 × 10^7
Engineering notation
2.0402842 × 10^6
Prime Factorization
2 × 10201421
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20402842
Product of the distinct prime numbers
The prime factorization of 20402842 is 2 × 10201421.
Since it has a total of 2 prime factors.
1 , 10 , 91 , 46 , 47 , 2 , 983 , 96 , 25281 , 35042 , 675481 , 511745 , 8486778 , 7702641 , 27232695 , 9784805 , 887615349 , 238633412 , 1532553051 , 6231774838
n×2
40805684
n×3
61208526
n×4
81611368
n×5
102014210
n÷2
10201421
n÷3
6800947.3333333
n÷3
5100710.5
n÷5
4080568.4
n2
416275961676964
n3
8.4932126744932E+21
n4
1.7328567627008E+29
n5
3.5355202738016E+36
2 √n
4516.9505199858
3 √n
273.25212968844
4 √n
67.208262289586
5 √n
28.969308806818
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
-20402841
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 20402842 can be divided by 4 positive divisors.
The sum of these divisors (counting 20402842) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110101001010011010
3
Ternary
1102101120102211
4
Quaternary
1031311022122
5
Quinary
20210342332
6
Senary
2005145334
8
Octal
115651232
10
Decimal
20402842
12
Duodecimal
69bb24a
16
Hexadecimal
137529a
20
Vigesimal
67a722
36
Base36
c5axm
md5
df11053f4256de3c4654357dc5ce6c01
sha1
28fc92f1e132cbbda1f2545185d92d8ce57d3eb8
sha256
3d9ed41cafe2a1f8221e81b00af9378227d649765a43870850b5919de49cea96
sha512
163739cf1bb2d638b31b9f70ac8b1ae247c39db7a4fe6819b897c895c56f610909e82250dddb21946226c4ddcdfb27f039496b004ffe5d5f443589a0aec9f26c
ripemd-160
273de9965c5ca40a4371d78f61e36e191d102c93
Diameter
40805684
Circumference
128194837.07911
Area
1.3077695030704E+15
Volume
3.5576286058085E+22
Surface area
5.2310780122815E+15
Circumference
128194837.07911
Perimeter
81611368
Area
416275961676964
Diagonal
28853975.867355
Surface area
2497655770061784
Volume
8.4932126744932E+21
Space diagonal
35338758.9628
Perimeter
61208526
Area
1.8025277889852E+14
Altitude
17669379.4814
Surface area
1.8025277889852E+14
Volume
1.0009347126989E+21
Height
9617991.9557851