20551421 is an odd 8-digits composite number following 20551420
and preceding 20551422 . In scientific notation, it is written as 2.0551421 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 18556240 positive integers (up to 20551421) that are relatively prime to 20551421.
20551421 has 8 divisors, whose sum is 22572000
The reverse of 20551421 is 12415502
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million five hundred fifty-one thousand four hundred twenty-one
Scientific notation
2.0551421 × 10^7
Engineering notation
2.0551421 × 10^6
Prime Factorization
11 × 149 × 12539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20551421
Product of the distinct prime numbers
The prime factorization of 20551421 is 11 × 149 × 12539.
Since it has a total of 3 prime factors.
8 , 5 , 80 , 31 , 825 , 545 , 8329 , 1130 , 23023 , 24314 , 927064 , 555375 , 6560761 , 7681004 , 25263872 , 34510013 , 140153171 , 660380621 , 5287919263 , 9570429093
n×2
41102842
n×3
61654263
n×4
82205684
n×5
102757105
n÷2
10275710.5
n÷3
6850473.6666667
n÷3
5137855.25
n÷5
4110284.2
n2
422360905119241
n3
8.6801167750466E+21
n4
1.7838873417314E+29
n5
3.6661419776494E+36
2 √n
4533.3675121261
3 √n
273.9138246413
4 √n
67.330286737293
5 √n
29.011378902832
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20551420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20551421 can be divided by 8 positive divisors.
The sum of these divisors (counting 20551421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110011001011011111101
3
Ternary
1102200010020202
4
Quaternary
1032121123331
5
Quinary
20230121141
6
Senary
2012253245
8
Octal
116313375
10
Decimal
20551421
12
Duodecimal
6a71225
16
Hexadecimal
13996fd
20
Vigesimal
688ib1
36
Base36
c8hkt
md5
af501dd76b2e6bfc9b6fdd75239dc685
sha1
2c98b55afe18170f02e12714e2f9522a39bbbac3
sha256
f6ed673428ce205f31edc4d64c25f9f20f04126365906dbe842be8525ade19f1
sha512
7f1841a28c19f68e58d1717272355e5a2335414d0e43182669593e97661071a4cfc6eebeaf926300890083208b10a345c34b91620f2063f8ab66199650242f58
ripemd-160
fbc2d3be3e55cbd17bf05556f6af7d0184fda778
Diameter
41102842
Circumference
129128386.46886
Area
1.3268859166861E+15
Volume
3.6359188123717E+22
Surface area
5.3075436667446E+15
Circumference
129128386.46886
Perimeter
82205684
Area
422360905119241
Diagonal
29064098.304239
Surface area
2534165430715446
Volume
8.6801167750466E+21
Space diagonal
35596105.339738
Perimeter
61654263
Area
1.8288763669933E+14
Altitude
17798052.669869
Surface area
1.8288763669933E+14
Volume
1.0229615721878E+21
Height
9688032.7680797