20551481 is an odd 8-digits composite number following 20551480
and preceding 20551482 . In scientific notation, it is written as 2.0551481 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 19888500 positive integers (up to 20551481) that are relatively prime to 20551481.
20551481 has 4 divisors, whose sum is 21214464
The reverse of 20551481 is 18415502
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million five hundred fifty-one thousand four hundred eighty-one
Scientific notation
2.0551481 × 10^7
Engineering notation
2.0551481 × 10^6
Prime Factorization
31 × 662951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20551481
Product of the distinct prime numbers
The prime factorization of 20551481 is 31 × 662951.
Since it has a total of 2 prime factors.
1 , 1 , 15 , 78 , 140 , 785 , 322 , 4434 , 62799 , 89883 , 507445 , 660533 , 4526380 , 9438870 , 11909684 , 42328554 , 517677887 , 429550215 , 7095859623 , 3999625617
n×2
41102962
n×3
61654443
n×4
82205924
n×5
102757405
n÷2
10275740.5
n÷3
6850493.6666667
n÷3
5137870.25
n÷5
4110296.2
n2
422363371293361
n3
8.6801928002315E+21
n4
1.7839081741029E+29
n5
3.6661954945821E+36
2 √n
4533.3741297184
3 √n
273.9140912054
4 √n
67.330335880035
5 √n
29.011395842592
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
-20551480
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 20551481 can be divided by 4 positive divisors.
The sum of these divisors (counting 20551481) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110011001011100111001
3
Ternary
1102200010022222
4
Quaternary
1032121130321
5
Quinary
20230121411
6
Senary
2012253425
8
Octal
116313471
10
Decimal
20551481
12
Duodecimal
6a71275
16
Hexadecimal
1399739
20
Vigesimal
688ie1
36
Base36
c8hmh
md5
30e833751c50741bfa9c2bd83d081764
sha1
832f80b0b5c661b340f0294135f6761494e324a3
sha256
85401cc71adc99e87118257e2c80b230031e26a770fbdefe1150187b70b10be7
sha512
564ed1c6938fbb0ef306c1d1cefe893bb7714d16fc66fdc11a99afafe8d46acd191756f63d1a2410ab50b39b1a64ae0fdddb6956aa8c6675d3c35493612a06d0
ripemd-160
8376ac8997373659224bc6f29c11655cc75678d3
Diameter
41102962
Circumference
129128763.45998
Area
1.3268936644006E+15
Volume
3.6359506577267E+22
Surface area
5.3075746576026E+15
Circumference
129128763.45998
Perimeter
82205924
Area
422363371293361
Diagonal
29064183.157053
Surface area
2534180227760166
Volume
8.6801928002315E+21
Space diagonal
35596209.262786
Perimeter
61654443
Area
1.8288870458404E+14
Altitude
17798104.631393
Surface area
1.8288870458404E+14
Volume
1.0229705318417E+21
Height
9688061.052351