21542406 is an even 8-digits composite number following 21542405
and preceding 21542407 . In scientific notation, it is written as 2.1542406 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 7136424 positive integers (up to 21542406) that are relatively prime to 21542406.
21542406 has 16 divisors, whose sum is 43351104
The reverse of 21542406 is 60424512
Previous prime number is 163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million five hundred forty-two thousand four hundred six
Scientific notation
2.1542406 × 10^7
Engineering notation
2.1542406 × 10^6
Prime Factorization
2 × 3 × 163 × 22027
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21542406
Product of the distinct prime numbers
The prime factorization of 21542406 is 2 × 3 × 163 × 22027.
Since it has a total of 4 prime factors.
2 , 5 , 90 , 2 , 892 , 850 , 8773 , 9398 , 32907 , 69802 , 689409 , 458690 , 4640211 , 8336762 , 52656194 , 12601844 , 641535462 , 295380632 , 3488221967 , 3787346792
n×2
43084812
n×3
64627218
n×4
86169624
n×5
107712030
n÷2
10771203
n÷3
7180802
n÷3
5385601.5
n÷5
4308481.2
n2
464075256268836
n3
9.9972975850973E+21
n4
2.1536584348099E+29
n5
4.6394984387998E+36
2 √n
4641.3797517549
3 √n
278.24758407259
4 √n
68.127672437526
5 √n
29.285917952186
1 , 2 , 3 , 6 , 163 , 326 , 489 , 978 , 22027 , 44054 , 66081 , 132162 , 3590401 , 7180802 , 10771203 , 21542406
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
-21542405
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 21542406 can be divided by 16 positive divisors.
The sum of these divisors (counting 21542406) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001011011000000110
3
Ternary
1111112110121220
4
Quaternary
1102023120012
5
Quinary
21003324111
6
Senary
2045421210
8
Octal
122133006
10
Decimal
21542406
12
Duodecimal
726a806
16
Hexadecimal
148b606
20
Vigesimal
6ecg06
36
Base36
ctq86
md5
84d3b847eb6359eaac9bfc9e17ecec7b
sha1
06412cf79246729b03c579c1311daf69c57757d4
sha256
721ddf6bfb4c3c425d51f37b06a0b21ab33289356ef08652eda4da617b799c0d
sha512
d4218950619de4ea6195d72dd6107b9841bbe8ad427c803b8b06211d289ed827b5c1a116ca31f00c48039138618e4ea2a58eba47e7cb2387141f43d4a501680d
ripemd-160
207f0585f943a8c750e7865ea3b8d1b34680af08
Diameter
43084812
Circumference
135354928.8605
Area
1.457935415807E+15
Volume
4.187658219879E+22
Surface area
5.8317416632279E+15
Circumference
135354928.8605
Perimeter
86169624
Area
464075256268836
Diagonal
30465562.731348
Surface area
2784451537613016
Volume
9.9972975850973E+21
Space diagonal
37312541.709277
Perimeter
64627218
Area
2.0095048059829E+14
Altitude
18656270.854638
Surface area
2.0095048059829E+14
Volume
1.178192819327E+21
Height
10155187.577116