21494230 is an even 8-digits composite number following 21494229
and preceding 21494231 . In scientific notation, it is written as 2.1494230 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 8508672 positive integers (up to 21494230) that are relatively prime to 21494230.
21494230 has 16 divisors, whose sum is 39090240
The reverse of 21494230 is 03249412
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million four hundred ninety-four thousand two hundred thirty
Scientific notation
2.1494230 × 10^7
Engineering notation
2.1494230 × 10^6
Prime Factorization
2 × 5 × 97 × 22159
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21494230
Product of the distinct prime numbers
The prime factorization of 21494230 is 2 × 5 × 97 × 22159.
Since it has a total of 4 prime factors.
5 , 5 , 99 , 31 , 672 , 163 , 8273 , 4137 , 65467 , 49677 , 973099 , 201111 , 4100287 , 9182926 , 22233053 , 98405795 , 496423927 , 237619997 , 3480549350 , 513869540
n×2
42988460
n×3
64482690
n×4
85976920
n×5
107471150
n÷2
10747115
n÷3
7164743.3333333
n÷3
5373557.5
n÷5
4298846
n2
462001923292900
n3
9.9303755996999E+21
n4
2.1344577712634E+29
n5
4.5878526260823E+36
2 √n
4636.1870108959
3 √n
278.04001114846
4 √n
68.089551407657
5 √n
29.272807604557
1 , 2 , 5 , 10 , 97 , 194 , 485 , 970 , 22159 , 44318 , 110795 , 221590 , 2149423 , 4298846 , 10747115 , 21494230
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
-21494229
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 21494230 can be divided by 16 positive divisors.
The sum of these divisors (counting 21494230) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111100111010110
3
Ternary
1111110000112121
4
Quaternary
1101333213112
5
Quinary
21000303410
6
Senary
2044410154
8
Octal
121774726
10
Decimal
21494230
12
Duodecimal
724695a
16
Hexadecimal
147f9d6
20
Vigesimal
6e6fba
36
Base36
csp1y
md5
45b8f477dcfaca365fb3c46964de267b
sha1
59aa7f2eb475c34eecdbe996052db41cb0df4eb3
sha256
f33ac2d3339a58173b5d97ba5f89f76de4f35efcff4adbcc46ab96bd513b8cf5
sha512
a1dd5cfd5d8df336e59c83a0fd828415e9de6a6472d9e97e6cdab428fe1274286d3562895c1569ff84daf65e7c1a43aab40110ca82971b58394e547ce6e766cd
ripemd-160
26a295102354d07dbf8211e0a3aed3c5ef1fa66f
Diameter
42988460
Circumference
135052230.12514
Area
1.4514218481613E+15
Volume
4.1596260041873E+22
Surface area
5.8056873926453E+15
Circumference
135052230.12514
Perimeter
85976920
Area
462001923292900
Diagonal
30397431.578767
Surface area
2772011539757400
Volume
9.9303755996999E+21
Space diagonal
37229098.429571
Perimeter
64482690
Area
2.0005270108446E+14
Altitude
18614549.214786
Surface area
2.0005270108446E+14
Volume
1.1703059877129E+21
Height
10132477.192922