20621142 is an even 8-digits composite number following 20621141
and preceding 20621143 . In scientific notation, it is written as 2.0621142 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 20 positive divisors.
There are 6873660 positive integers (up to 20621142) that are relatively prime to 20621142.
20621142 has 20 divisors, whose sum is 46206996
The reverse of 20621142 is 24112602
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million six hundred twenty-one thousand one hundred forty-two
Scientific notation
2.0621142 × 10^7
Engineering notation
2.0621142 × 10^6
Prime Factorization
2 × 3 × 3 × 9 × 127291
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6873714
Product of the distinct prime numbers
The prime factorization of 20621142 is 2 × 3 × 3 × 9 × 127291.
Since it has a total of 5 prime factors.
2 , 4 , 48 , 13 , 401 , 224 , 5164 , 3111 , 23359 , 92022 , 557560 , 660088 , 5305047 , 6268785 , 22334493 , 66990303 , 700126014 , 357457768 , 7578308508 , 3701371813
n×2
41242284
n×3
61863426
n×4
82484568
n×5
103105710
n÷2
10310571
n÷3
6873714
n÷3
5155285.5
n÷5
4124228.4
n2
425231497384164
n3
8.7687590904315E+21
n4
1.8082182636758E+29
n5
3.7287525582252E+36
2 √n
4541.0507594609
3 √n
274.22322725541
4 √n
67.387318981102
5 √n
29.031036551841
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 81 , 162 , 127291 , 254582 , 381873 , 763746 , 1145619 , 2291238 , 3436857 , 6873714 , 10310571 , 20621142
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20621141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20621142 can be divided by 20 positive divisors.
The sum of these divisors (counting 20621142) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001110101010011101010110
3
Ternary
1102210122220000
4
Quaternary
1032222131112
5
Quinary
20234334032
6
Senary
2013552130
8
Octal
116523526
10
Decimal
20621142
12
Duodecimal
6aa5646
16
Hexadecimal
13aa756
20
Vigesimal
68hch2
36
Base36
c9zdi
md5
65b50ee37cc2d9f088444731b7749278
sha1
40571574c7170090c3489d1f1dd45606e98fa773
sha256
9f80fd763b13a2559dbe58fd2fe25f9868cb0d345415abb9a6f538044ffbfbed
sha512
1c85d392139d49f5d290ba4dfe73bf25c6f14e7c69edf29d5f6c5ef60bab99e93c46819760efe37b0347649fd029f0132f184a8d15a885375ab4fe361445c6ea
ripemd-160
34a59597ba2de98e7d3eee33b6e336785c53fa8b
Diameter
41242284
Circumference
129566456.43166
Area
1.3359041482571E+15
Volume
3.6730492186131E+22
Surface area
5.3436165930283E+15
Circumference
129566456.43166
Perimeter
82484568
Area
425231497384164
Diagonal
29162698.688021
Surface area
2551388984304984
Volume
8.7687590904315E+21
Space diagonal
35716865.654092
Perimeter
61863426
Area
1.8413063961199E+14
Altitude
17858432.827046
Surface area
1.8413063961199E+14
Volume
1.0334081692392E+21
Height
9720899.5626738