21494843 is an odd 8-digits prime number following 21494842
and preceding 21494844 . In scientific notation, it is written as 2.1494843 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 21494842 positive integers (up to 21494843) that are relatively prime to 21494843.
21494843 has 2 divisors, whose sum is 21494844
The reverse of 21494843 is 34849412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 35 Digital Root 8
Name
twenty-one million four hundred ninety-four thousand eight hundred forty-three
Scientific notation
2.1494843 × 10^7
Engineering notation
2.1494843 × 10^6
Prime Factorization
21494843
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21494843 Product of the distinct prime numbers
The prime factorization of 21494843 is 21494843.
Since it has a total of 1 prime factors.
9 , 10 , 97 , 98 , 392 , 275 , 4068 , 7929 , 5253 , 19095 , 130043 , 92365 , 9879389 , 3904938 , 67987358 , 22332683 , 151465673 , 514644704 , 5005527687 , 9661969598
n×2
42989686
n×3
64484529
n×4
85979372
n×5
107474215
n÷2
10747421.5
n÷3
7164947.6666667
n÷3
5373710.75
n÷5
4298968.6
n2
462028275594649
n3
9.9312252454677E+21
n4
2.1347012744896E+29
n5
4.5885068747055E+36
2 √n4636.2531207862
3 √n278.04265429046
4 √n68.090036868739
5 √n29.272974570542
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21494844 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10747422 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4636.2532286319 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069544 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494843 can be divided by 2 positive divisors.
The sum of these divisors (counting 21494843) is 21494844, the average is 10747422.
Base
System
Value
2
Binary
1010001111111110000111011
3
Ternary
1111110001101022
4
Quaternary
1101333300323
5
Quinary
21000313333
6
Senary
2044413055
8
Octal
121776073
10
Decimal
21494843
12
Duodecimal
724718b
16
Hexadecimal
147fc3b
20
Vigesimal
6e6h23
36
Base36
cspiz
md5
ab7e94010ae0dfafa17552f85131facc
sha1
f49a24b0f825a0374b5c08382a98da9749452d01
sha256
b9e3bfea77dea15c3748544f8acb1e3ec0efa439ab53514d37c1d6034af5e1a3
sha512
05004ac33333045d69957d81f9456bccc37a87d59ca47f282628ed9f389d2e073831ecaf0ab4203f90a6b3580a8b2d45d45ffef6e2989ed6b9028e129fe45f39
ripemd-160
a8f762d7aae7f6d92788cd4dae230abf23e6152a
Diameter
42989686
Circumference
135056081.71773
Area
1.4515046363589E+15
Volume
4.1599819029742E+22
Surface area
5.8060185454356E+15
Circumference
135056081.71773
Perimeter
85979372
Area
462028275594649
Diagonal
30398298.49168
Surface area
2772169653567894
Volume
9.9312252454677E+21
Space diagonal
37230160.176716
Perimeter
64484529
Area
2.0006411196584E+14
Altitude
18615080.088358
Surface area
2.0006411196584E+14
Volume
1.1704061194269E+21
Height
10132766.163893