21494090 is an even 8-digits composite number following 21494089
and preceding 21494091 . In scientific notation, it is written as 2.1494090 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 8597632 positive integers (up to 21494090) that are relatively prime to 21494090.
21494090 has 8 divisors, whose sum is 38689380
The reverse of 21494090 is 09049412
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred ninety-four thousand ninety
Scientific notation
2.1494090 × 10^7
Engineering notation
2.1494090 × 10^6
Prime Factorization
2 × 5 × 2149409
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21494090
Product of the distinct prime numbers
The prime factorization of 21494090 is 2 × 5 × 2149409.
Since it has a total of 3 prime factors.
7 , 2 , 16 , 4 , 864 , 247 , 4294 , 2546 , 74318 , 65734 , 604359 , 359692 , 4777846 , 3170103 , 71133764 , 2931145 , 144027769 , 256104621 , 7176570017 , 2807010326
n×2
42988180
n×3
64482270
n×4
85976360
n×5
107470450
n÷2
10747045
n÷3
7164696.6666667
n÷3
5373522.5
n÷5
4298818
n2
461995904928100
n3
9.930181560156E+21
n4
2.1344021617033E+29
n5
4.5877032159846E+36
2 √n
4636.1719122569
3 √n
278.03940748744
4 √n
68.089440534175
5 √n
29.272769471498
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21494089
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494090 can be divided by 8 positive divisors.
The sum of these divisors (counting 21494090) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111100101001010
3
Ternary
1111110000100102
4
Quaternary
1101333211022
5
Quinary
21000302330
6
Senary
2044405402
8
Octal
121774512
10
Decimal
21494090
12
Duodecimal
7246862
16
Hexadecimal
147f94a
20
Vigesimal
6e6f4a
36
Base36
csoy2
md5
8aea96acbe5947f4c85eecb2d1d07cb0
sha1
bcb9a8df2220c5ffb18e95f81e4b74ff4c85a5d4
sha256
cf26722ee89cab5a35a46213ebdd5b69c422a50207c5e9e7235d273f683e1d65
sha512
33e18c18dd8aa50cc858f9da99bb11b3a3393afb2657887b8da02e15e8250a4e25e217f70b810978637ff5c454e68b3e5872f6673720e9c520293d52159a06bd
ripemd-160
1687c7c1e77ed2b17d91a67b80ee25e4e7ffad27
Diameter
42988180
Circumference
135051350.4792
Area
1.4514029409107E+15
Volume
4.1595447250932E+22
Surface area
5.8056117636428E+15
Circumference
135051350.4792
Perimeter
85976360
Area
461995904928100
Diagonal
30397233.588868
Surface area
2771975429568600
Volume
9.930181560156E+21
Space diagonal
37228855.942458
Perimeter
64482270
Area
2.0005009505606E+14
Altitude
18614427.971229
Surface area
2.0005009505606E+14
Volume
1.1702831199333E+21
Height
10132411.196289