21552451 is an odd 8-digits prime number following 21552450
and preceding 21552452 . In scientific notation, it is written as 2.1552451 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 21552450 positive integers (up to 21552451) that are relatively prime to 21552451.
21552451 has 2 divisors, whose sum is 21552452
The reverse of 21552451 is 15425512
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million five hundred fifty-two thousand four hundred fifty-one
Scientific notation
2.1552451 × 10^7
Engineering notation
2.1552451 × 10^6
Prime Factorization
21552451
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21552451
Product of the distinct prime numbers
The prime factorization of 21552451 is 21552451.
Since it has a total of 1 prime factors.
2 , 3 , 43 , 51 , 365 , 423 , 2292 , 2588 , 47968 , 76607 , 8507 , 217714 , 6537470 , 3801186 , 56885462 , 40664704 , 289423489 , 208058743 , 7693774473 , 3601102424
n×2
43104902
n×3
64657353
n×4
86209804
n×5
107762255
n÷2
10776225.5
n÷3
7184150.3333333
n÷3
5388112.75
n÷5
4310490.2
n2
464508144107401
n3
1.0011289014976E+22
n4
2.157678159421E+29
n5
4.6503252804692E+36
2 √n
4642.4617392069
3 √n
278.29082533772
4 √n
68.13561285559
5 √n
29.288648586754
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21552452
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10776226
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4642.4618469084
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999072031
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21552451 can be divided by 2 positive divisors.
The sum of these divisors (counting 21552451) is 21552452, the average is 10776226.
Base
System
Value
2
Binary
1010010001101110101000011
3
Ternary
1111112222101221
4
Quaternary
1102031311003
5
Quinary
21004134301
6
Senary
2045535511
8
Octal
122156503
10
Decimal
21552451
12
Duodecimal
7274597
16
Hexadecimal
148dd43
20
Vigesimal
6ee12b
36
Base36
ctxz7
md5
e48e69f68b97041018e89ed72323faed
sha1
eece95e200b3d617197a02427f6411abe61452cf
sha256
fcb08c1a7780f02a2035380d9f871fe2f95f2e9664bb63920f4bc4d76ea35028
sha512
382d276ab66f3d81aa25fbaf7368f873fcb6c36b9b114363b9bdc7d5b4de2aeb3609e7a7cae468565dd47dcb81e65f55b0ec33d38af577a722eae591d23feb6e
ripemd-160
75cb4bf76b445e1f02c637e4d594459564b654d6
Diameter
43104902
Circumference
135418043.45691
Area
1.4592953730604E+15
Volume
4.1935189363216E+22
Surface area
5.8371814922418E+15
Circumference
135418043.45691
Perimeter
86209804
Area
464508144107401
Diagonal
30479768.506582
Surface area
2787048864644406
Volume
1.0011289014976E+22
Space diagonal
37329940.159639
Perimeter
64657353
Area
2.0113792653089E+14
Altitude
18664970.079819
Surface area
2.0113792653089E+14
Volume
1.1798417251513E+21
Height
10159922.835527