21497429 is an odd 8-digits prime number following 21497428
and preceding 21497430 . In scientific notation, it is written as 2.1497429 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 21497428 positive integers (up to 21497429) that are relatively prime to 21497429.
21497429 has 2 divisors, whose sum is 21497430
The reverse of 21497429 is 92479412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 38 Digital Root 2
Name
twenty-one million four hundred ninety-seven thousand four hundred twenty-nine
Scientific notation
2.1497429 × 10^7
Engineering notation
2.1497429 × 10^6
Prime Factorization
21497429
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21497429 Product of the distinct prime numbers
The prime factorization of 21497429 is 21497429.
Since it has a total of 1 prime factors.
5 , 9 , 28 , 8 , 756 , 851 , 3557 , 8738 , 3618 , 61704 , 718447 , 835406 , 5916923 , 4623960 , 31074931 , 5244425 , 424127881 , 212594819 , 8746782081 , 9668131022
n×2
42994858
n×3
64492287
n×4
85989716
n×5
107487145
n÷2
10748714.5
n÷3
7165809.6666667
n÷3
5374357.25
n÷5
4299485.8
n2
462139453610041
n3
9.9348100920807E+21
n4
2.1357287458299E+29
n5
4.5912677076737E+36
2 √n4636.5320013993
3 √n278.05380408845
4 √n68.092084719146
5 √n29.273678890825
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21497430 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10748715 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4636.5321092385 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069656 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497429 can be divided by 2 positive divisors.
The sum of these divisors (counting 21497429) is 21497430, the average is 10748715.
Base
System
Value
2
Binary
1010010000000011001010101
3
Ternary
1111110011221002
4
Quaternary
1102000121111
5
Quinary
21000404204
6
Senary
2044433045
8
Octal
122003125
10
Decimal
21497429
12
Duodecimal
7248785
16
Hexadecimal
1480655
20
Vigesimal
6e73b9
36
Base36
csrit
md5
6592dcdc36887f1b4decd525c16e0da3
sha1
7d06444bbb993694b00932ff6887c604cbd2b358
sha256
047ac52f368e716faefc4ed4ab0af8cd7de59f90c623e6a6751f56ba9c681ed1
sha512
d9053b7f5e3c99440728c3c9093b76333c0df7e4d040f532a3efd63e084689506414c2dd150afced305088ddc0db4f3424c5d01e2746b3774d934df7aaec65fb
ripemd-160
32aa2ea8a36be2a7d3ee85acd546ea026d20e412
Diameter
42994858
Circumference
135072330.03494
Area
1.4518539123953E+15
Volume
4.161483520012E+22
Surface area
5.8074156495812E+15
Circumference
135072330.03494
Perimeter
85989716
Area
462139453610041
Diagonal
30401955.647953
Surface area
2772836721660246
Volume
9.9348100920807E+21
Space diagonal
37234639.260105
Perimeter
64492287
Area
2.0011225345868E+14
Altitude
18617319.630052
Surface area
2.0011225345868E+14
Volume
1.1708285976518E+21
Height
10133985.215984