21493517 is an odd 8-digits prime number following 21493516
and preceding 21493518 . In scientific notation, it is written as 2.1493517 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 21493516 positive integers (up to 21493517) that are relatively prime to 21493517.
21493517 has 2 divisors, whose sum is 21493518
The reverse of 21493517 is 71539412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 32 Digital Root 5
Name
twenty-one million four hundred ninety-three thousand five hundred seventeen
Scientific notation
2.1493517 × 10^7
Engineering notation
2.1493517 × 10^6
Prime Factorization
21493517
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21493517 Product of the distinct prime numbers
The prime factorization of 21493517 is 21493517.
Since it has a total of 1 prime factors.
7 , 6 , 32 , 86 , 873 , 653 , 7433 , 8538 , 97302 , 51144 , 73136 , 845871 , 4995301 , 729184 , 56918306 , 17945296 , 352683263 , 246985333 , 2338070876 , 6124909470
n×2
42987034
n×3
64480551
n×4
85974068
n×5
107467585
n÷2
10746758.5
n÷3
7164505.6666667
n÷3
5373379.25
n÷5
4298703.4
n2
461971273029289
n3
9.9293874103667E+21
n4
2.134174571043E+29
n5
4.5870917423681E+36
2 √n4636.110115172
3 √n278.03693676183
4 √n68.088986739208
5 √n29.272613396262
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21493518 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10746759 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4636.110223021 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069487 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21493517 can be divided by 2 positive divisors.
The sum of these divisors (counting 21493517) is 21493518, the average is 10746759.
Base
System
Value
2
Binary
1010001111111011100001101
3
Ternary
1111102222120012
4
Quaternary
1101333130031
5
Quinary
21000243032
6
Senary
2044403005
8
Octal
121773415
10
Decimal
21493517
12
Duodecimal
7246465
16
Hexadecimal
147f70d
20
Vigesimal
6e6dfh
36
Base36
csoi5
md5
44e471a330d40b73a98695887282cb9b
sha1
669d09d10f3fc2792128c24c07de2ccf6adb1792
sha256
ea4178f086e27c3ac3f134a744bbba0b8077f8fd5c66c6dc2642b8d07f2dcff2
sha512
cb4bc18f2adaf49ac5c5edd5eb41a44dadd0a25f921b068a3b52121c5c9973c6c5ec7b8e54b355bffe0e8f3e1229d26446d4102c18c3e691280b93806e812324
ripemd-160
d6703bc42e3812cf0669dde9bdfca4ad32f1a026
Diameter
42987034
Circumference
135047750.21401
Area
1.4513255575183E+15
Volume
4.1592120724073E+22
Surface area
5.8053022300734E+15
Circumference
135047750.21401
Perimeter
85974068
Area
461971273029289
Diagonal
30396423.244497
Surface area
2771827638175734
Volume
9.9293874103667E+21
Space diagonal
37227863.477345
Perimeter
64480551
Area
2.00039429131E+14
Altitude
18613931.738673
Surface area
2.00039429131E+14
Volume
1.1701895284831E+21
Height
10132141.081499