21493841 is an odd 8-digits prime number following 21493840
and preceding 21493842 . In scientific notation, it is written as 2.1493841 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 21493840 positive integers (up to 21493841) that are relatively prime to 21493841.
21493841 has 2 divisors, whose sum is 21493842
The reverse of 21493841 is 14839412
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 eight hundred forty-one
Scientific notation
2.1493841 × 10^7
Engineering notation
2.1493841 × 10^6
Prime Factorization
21493841
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21493841 Product of the distinct prime numbers
The prime factorization of 21493841 is 21493841.
Since it has a total of 1 prime factors.
1 , 1 , 73 , 60 , 259 , 922 , 3967 , 622 , 11243 , 49454 , 898355 , 616499 , 2403855 , 4486170 , 27578928 , 90048734 , 753284420 , 901056231 , 7975168421 , 861522057
n×2
42987682
n×3
64481523
n×4
85975364
n×5
107469205
n÷2
10746920.5
n÷3
7164613.6666667
n÷3
5373460.25
n÷5
4298768.2
n2
461985200933281
n3
9.929836453213E+21
n4
2.1343032588136E+29
n5
4.5874374890722E+36
2 √n4636.1450581275
3 √n278.03833382673
4 √n68.089243336429
5 √n29.272701648637
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21493842 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10746921 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4636.1451659757 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069501 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21493841 can be divided by 2 positive divisors.
The sum of these divisors (counting 21493841) is 21493842, the average is 10746921.
Base
System
Value
2
Binary
1010001111111100001010001
3
Ternary
1111110000000012
4
Quaternary
1101333201101
5
Quinary
21000300331
6
Senary
2044404305
8
Octal
121774121
10
Decimal
21493841
12
Duodecimal
7246695
16
Hexadecimal
147f851
20
Vigesimal
6e6ec1
36
Base36
csor5
md5
e7282ab456b21bb6feb7c0aa2ec3a121
sha1
70a95c24687ac1bd7ffd3270a5e44cbb84a40868
sha256
de6c5519addeb6bcad13cad3d80c5c97ce56d1ed06279ee61166c7f123e0eb36
sha512
6fb83c5d8d24a7335a06cf9db79c0d5f68d8b1c325c4a6a2815dd99640e3e1e464c1dbf4dd5cf2f336be3227484a85ed5e04b7aaa47e4f1b573015eee598a110
ripemd-160
8dbe0cfa06a4ab2b88394e7d92116f21a257b96f
Diameter
42987682
Circumference
135049785.96605
Area
1.4513693133192E+15
Volume
4.1594001670349E+22
Surface area
5.8054772532768E+15
Circumference
135049785.96605
Perimeter
85975364
Area
461985200933281
Diagonal
30396881.449691
Surface area
2771911205599686
Volume
9.929836453213E+21
Space diagonal
37228424.661807
Perimeter
64481523
Area
2.0004546009034E+14
Altitude
18614212.330904
Surface area
2.0004546009034E+14
Volume
1.17024244869E+21
Height
10132293.816564