21541142 is an even 8-digits composite number following 21541141
and preceding 21541143 . In scientific notation, it is written as 2.1541142 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors.
There are 8386560 positive integers (up to 21541142) that are relatively prime to 21541142.
21541142 has 32 divisors, whose sum is 40461120
The reverse of 21541142 is 24114512
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million five hundred forty-one thousand one hundred forty-two
Scientific notation
2.1541142 × 10^7
Engineering notation
2.1541142 × 10^6
Prime Factorization
2 × 7 × 17 × 29 × 3121
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21541142
Product of the distinct prime numbers
The prime factorization of 21541142 is 2 × 7 × 17 × 29 × 3121.
Since it has a total of 5 prime factors.
4 , 8 , 2 , 66 , 99 , 264 , 6380 , 3866 , 24750 , 54423 , 527002 , 463678 , 5405642 , 6290647 , 46622330 , 71269550 , 950411322 , 543733416 , 2057956698 , 4737733376
n×2
43082284
n×3
64623426
n×4
86164568
n×5
107705710
n÷2
10770571
n÷3
7180380.6666667
n÷3
5385285.5
n÷5
4308228.4
n2
464020798664164
n3
9.9955379149782E+21
n4
2.1531530159293E+29
n5
4.6381374863861E+36
2 √n
4641.2435833513
3 √n
278.24214191004
4 √n
68.126673068273
5 √n
29.285574274055
1 , 2 , 7 , 14 , 17 , 29 , 34 , 58 , 119 , 203 , 238 , 406 , 493 , 986 , 3121 , 3451 , 6242 , 6902 , 21847 , 43694 , 53057 , 90509 , 106114 , 181018 , 371399 , 633563 , 742798 , 1267126 , 1538653 , 3077306 , 10770571 , 21541142
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21541141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21541142 can be divided by 32 positive divisors.
The sum of these divisors (counting 21541142) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010001011000100010110
3
Ternary
1111112101220002
4
Quaternary
1102023010112
5
Quinary
21003304032
6
Senary
2045411302
8
Octal
122130426
10
Decimal
21541142
12
Duodecimal
7269b32
16
Hexadecimal
148b116
20
Vigesimal
6ecch2
36
Base36
ctp92
md5
7093e0569159b4f35624c2da38a04f97
sha1
8ff2fc993133a5cf8d3284d7b482653797c443a1
sha256
d4b20edb3a14d7e00692e205ef2bcab1113364be534890e9a8a700fe7cf26dc5
sha512
773a0caee862cc5400ac52b26e0b3d13d3ff0a8f3f61dec2d78aa412b328a6a102221cf717e3746556c244260a24ee5a72d6e4904a6d3b6bb686aeb09b04595b
ripemd-160
b674526054578c904c5d2f5f8929fab24421d3ec
Diameter
43082284
Circumference
135346986.91427
Area
1.4577643321962E+15
Volume
4.1869211309832E+22
Surface area
5.8310573287848E+15
Circumference
135346986.91427
Perimeter
86164568
Area
464020798664164
Diagonal
30463775.165405
Surface area
2784124791984984
Volume
9.9955379149782E+21
Space diagonal
37310352.397056
Perimeter
64623426
Area
2.0092689976376E+14
Altitude
18655176.198528
Surface area
2.0092689976376E+14
Volume
1.1779854402147E+21
Height
10154591.721802