21494042 is an even 8-digits composite number following 21494041
and preceding 21494043 . In scientific notation, it is written as 2.1494042 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 10747020 positive integers (up to 21494042) that are relatively prime to 21494042.
21494042 has 4 divisors, whose sum is 32241066
The reverse of 21494042 is 24049412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred ninety-four thousand forty-two
Scientific notation
2.1494042 × 10^7
Engineering notation
2.1494042 × 10^6
Prime Factorization
2 × 10747021
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21494042
Product of the distinct prime numbers
The prime factorization of 21494042 is 2 × 10747021.
Since it has a total of 2 prime factors.
10 , 4 , 41 , 79 , 141 , 527 , 5899 , 1756 , 68406 , 65249 , 672350 , 23528 , 1981725 , 4051704 , 28346568 , 46879374 , 463194435 , 685610330 , 8080224848 , 1260082134
n×2
42988084
n×3
64482126
n×4
85976168
n×5
107470210
n÷2
10747021
n÷3
7164680.6666667
n÷3
5373510.5
n÷5
4298808.4
n2
461993841497764
n3
9.9301150328943E+21
n4
2.1343830958186E+29
n5
4.5876519905615E+36
2 √n
4636.1667355694
3 √n
278.03920051735
4 √n
68.089402520285
5 √n
29.27275639726
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21494041
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494042 can be divided by 4 positive divisors.
The sum of these divisors (counting 21494042) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111100100011010
3
Ternary
1111110000021122
4
Quaternary
1101333210122
5
Quinary
21000302132
6
Senary
2044405242
8
Octal
121774432
10
Decimal
21494042
12
Duodecimal
7246822
16
Hexadecimal
147f91a
20
Vigesimal
6e6f22
36
Base36
csowq
md5
dfa4c0cfcfa37fc60cccd5116f65830d
sha1
2ecadeb71c8fce8078f37a04a0817b4df3dbd9bb
sha256
ac13e66bb471f575a3f5ad8ffe86646a44edc803a48907458a067b0404b06eed
sha512
0370d9922ec3d9ef0e00afec4ad569633e9adbab66a35131d9e26f573e6c64808854579c55be867e7aa99d78b797b82e20bdd3d5f308b3722d65f790a175ff9b
ripemd-160
ca979a7d77d753aae40da365cb4246d9ef2ab4a7
Diameter
42988084
Circumference
135051048.8863
Area
1.4513964584531E+15
Volume
4.159516858219E+22
Surface area
5.8055858338124E+15
Circumference
135051048.8863
Perimeter
85976168
Area
461993841497764
Diagonal
30397165.706617
Surface area
2771963048986584
Volume
9.9301150328943E+21
Space diagonal
37228772.804019
Perimeter
64482126
Area
2.0004920156451E+14
Altitude
18614386.40201
Surface area
2.0004920156451E+14
Volume
1.1702752796203E+21
Height
10132388.568872