21494418 is an even 8-digits composite number following 21494417
and preceding 21494419 . In scientific notation, it is written as 2.1494418 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6513440 positive integers (up to 21494418) that are relatively prime to 21494418.
21494418 has 16 divisors, whose sum is 46897056
The reverse of 21494418 is 81449412
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred ninety-four thousand four hundred eighteen
Scientific notation
2.1494418 × 10^7
Engineering notation
2.1494418 × 10^6
Prime Factorization
2 × 3 × 11 × 325673
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21494418
Product of the distinct prime numbers
The prime factorization of 21494418 is 2 × 3 × 11 × 325673.
Since it has a total of 4 prime factors.
4 , 6 , 65 , 98 , 531 , 518 , 5232 , 7601 , 91397 , 58490 , 547938 , 102001 , 5896587 , 2302488 , 1126313 , 50694676 , 31673430 , 340119643 , 9388358623 , 7018864608
n×2
42988836
n×3
64483254
n×4
85977672
n×5
107472090
n÷2
10747209
n÷3
7164806
n÷3
5373604.5
n÷5
4298883.6
n2
462010005158724
n3
9.9306361710638E+21
n4
2.1345324486676E+29
n5
4.5880532686226E+36
2 √n
4636.2072861338
3 √n
278.04082177484
4 √n
68.089700294052
5 √n
29.272858811496
1 , 2 , 3 , 6 , 11 , 22 , 33 , 66 , 325673 , 651346 , 977019 , 1954038 , 3582403 , 7164806 , 10747209 , 21494418
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
-21494417
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 21494418 can be divided by 16 positive divisors.
The sum of these divisors (counting 21494418) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111101010010010
3
Ternary
1111110000210120
4
Quaternary
1101333222102
5
Quinary
21000310133
6
Senary
2044411110
8
Octal
121775222
10
Decimal
21494418
12
Duodecimal
7246a96
16
Hexadecimal
147fa92
20
Vigesimal
6e6g0i
36
Base36
csp76
md5
d5df090142f7b54a9f4043665a8d20d9
sha1
3b6bde6646ce90e36decb2affec9ccdfe218a67d
sha256
df9ba45e873a96c828a11c0dd81c53117c055088f63c3188b16513ba5df8e94d
sha512
0f209ddf4ca1e81c2b5f1da3b327f67a3c9d568259a29952c7635ee8c606c1ca5ce93104992a57bcba2a154cfad534cd04cbf2a9909afcdd3483db45c9f92551
ripemd-160
ea71a8c9599f5703877079881456dc7476cf0b5c
Diameter
42988836
Circumference
135053411.36398
Area
1.4514472380916E+15
Volume
4.1597351520649E+22
Surface area
5.8057889523665E+15
Circumference
135053411.36398
Perimeter
85977672
Area
462010005158724
Diagonal
30397697.450916
Surface area
2772060030952344
Volume
9.9306361710638E+21
Space diagonal
37229424.055123
Perimeter
64483254
Area
2.0005620063502E+14
Altitude
18614712.027562
Surface area
2.0005620063502E+14
Volume
1.1703366963426E+21
Height
10132565.816972