20531838 is an even 8-digits composite number following 20531837
and preceding 20531839 . In scientific notation, it is written as 2.0531838 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6826776 positive integers (up to 20531838) that are relatively prime to 20531838.
20531838 has 16 divisors, whose sum is 41166720
The reverse of 20531838 is 83813502
Previous prime number is 419
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million five hundred thirty-one thousand eight hundred thirty-eight
Scientific notation
2.0531838 × 10^7
Engineering notation
2.0531838 × 10^6
Prime Factorization
2 × 3 × 419 × 8167
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20531838
Product of the distinct prime numbers
The prime factorization of 20531838 is 2 × 3 × 419 × 8167.
Since it has a total of 4 prime factors.
1 , 8 , 58 , 88 , 548 , 945 , 677 , 9534 , 47751 , 37419 , 797699 , 198862 , 3599482 , 8978605 , 10412141 , 99932343 , 510970169 , 985444430 , 3307955662 , 6336009302
n×2
41063676
n×3
61595514
n×4
82127352
n×5
102659190
n÷2
10265919
n÷3
6843946
n÷3
5132959.5
n÷5
4106367.6
n2
421556371658244
n3
8.6553271307549E+21
n4
1.7770977448566E+29
n5
3.6487083007562E+36
2 √n
4531.2071239351
3 √n
273.82679482644
4 √n
67.314241613013
5 √n
29.005847932488
1 , 2 , 3 , 6 , 419 , 838 , 1257 , 2514 , 8167 , 16334 , 24501 , 49002 , 3421973 , 6843946 , 10265919 , 20531838
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20531837
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20531838 can be divided by 16 positive divisors.
The sum of these divisors (counting 20531838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110010100101001111110
3
Ternary
1102122010101110
4
Quaternary
1032110221332
5
Quinary
20224004323
6
Senary
2012022450
8
Octal
116245176
10
Decimal
20531838
12
Duodecimal
6a61a26
16
Hexadecimal
1394a7e
20
Vigesimal
6869bi
36
Base36
c82gu
md5
0e7ff68e9d7010586a232951f5426950
sha1
049d5be03acef9e1bd7c6f01379b59ac66f06438
sha256
84917382f3e57844ce4043e671ef74445dfed78169ed995f65178f5b9e8adfb3
sha512
5c1d2362351346a5a6e75e9ab10d01f188b7400022ec60c38f852f0dbffbc84e07d5ab68594d55ed68662735859cb7d9e4146648bbe9d42bce233d301403f4fc
ripemd-160
33dc388cc27d1e244086ac5198af1a005ffe79e9
Diameter
41063676
Circumference
129005342.85099
Area
1.3243584002755E+15
Volume
3.6255349504528E+22
Surface area
5.297433601102E+15
Circumference
129005342.85099
Perimeter
82127352
Area
421556371658244
Diagonal
29036403.760047
Surface area
2529338229949464
Volume
8.6553271307549E+21
Space diagonal
35562186.588773
Perimeter
61595514
Area
1.8253926349162E+14
Altitude
17781093.294387
Surface area
1.8253926349162E+14
Volume
1.0200400845908E+21
Height
9678801.2533491