21405482 is an even 8-digits composite number following 21405481
and preceding 21405483 . In scientific notation, it is written as 2.1405482 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 8634048 positive integers (up to 21405482) that are relatively prime to 21405482.
21405482 has 16 divisors, whose sum is 38854080
The reverse of 21405482 is 28450412
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred five thousand four hundred eighty-two
Scientific notation
2.1405482 × 10^7
Engineering notation
2.1405482 × 10^6
Prime Factorization
2 × 17 × 7 × 89939
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21405482
Product of the distinct prime numbers
The prime factorization of 21405482 is 2 × 17 × 7 × 89939.
Since it has a total of 4 prime factors.
6 , 4 , 72 , 42 , 760 , 669 , 6798 , 8643 , 46882 , 40660 , 832837 , 451178 , 6033073 , 1688243 , 23920923 , 65862611 , 171345118 , 248675252 , 2213353518 , 4175534241
n×2
42810964
n×3
64216446
n×4
85621928
n×5
107027410
n÷2
10702741
n÷3
7135160.6666667
n÷3
5351370.5
n÷5
4281096.4
n2
458194659652324
n3
9.8078775396839E+21
n4
2.0994234613391E+29
n5
4.4939171112072E+36
2 √n
4626.6058833663
3 √n
277.65681475744
4 √n
68.019158208304
5 √n
29.248594553843
1 , 2 , 7 , 14 , 17 , 34 , 119 , 238 , 89939 , 179878 , 629573 , 1259146 , 1528963 , 3057926 , 10702741 , 21405482
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21405481
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21405482 can be divided by 16 positive divisors.
The sum of these divisors (counting 21405482) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001101001111100101010
3
Ternary
1111021111210122
4
Quaternary
1101221330222
5
Quinary
20434433412
6
Senary
2042443242
8
Octal
121517452
10
Decimal
21405482
12
Duodecimal
7203522
16
Hexadecimal
1469f2a
20
Vigesimal
6dfde2
36
Base36
cqskq
md5
e1492f1ba52311a88b9a9894e87976b2
sha1
19c69c0d31673e4df04077a5b27c6939b1c7046e
sha256
68f0f14da56b47e2df1dca9b5768915f649bc3207d5a99115c26d56f4c99e1db
sha512
bd19eba0279e8f54c3185eb4fa0749e814212048160af5c723ddb3953d2b825feb2ac5858854dac38b24551157bffaf02024c559d56009f855ecb93561208ce2
ripemd-160
1316916897c5345810f64f6c7e9cb8d376da89bc
Diameter
42810964
Circumference
134494609.9955
Area
1.4394609766778E+15
Volume
4.1083141367973E+22
Surface area
5.7578439067113E+15
Circumference
134494609.9955
Perimeter
85621928
Area
458194659652324
Diagonal
30271922.953533
Surface area
2749167957913944
Volume
9.8078775396839E+21
Space diagonal
37075382.384501
Perimeter
64216446
Area
1.9840410756864E+14
Altitude
18537691.192251
Surface area
1.9840410756864E+14
Volume
1.155869452893E+21
Height
10090640.984511