21492218 is an even 8-digits composite number following 21492217
and preceding 21492219 . In scientific notation, it is written as 2.1492218 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 9769180 positive integers (up to 21492218) that are relatively prime to 21492218.
21492218 has 8 divisors, whose sum is 35169120
The reverse of 21492218 is 81229412
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred ninety-two thousand two hundred eighteen
Scientific notation
2.1492218 × 10^7
Engineering notation
2.1492218 × 10^6
Prime Factorization
2 × 11 × 976919
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21492218
Product of the distinct prime numbers
The prime factorization of 21492218 is 2 × 11 × 976919.
Since it has a total of 3 prime factors.
4 , 10 , 52 , 48 , 47 , 497 , 298 , 3062 , 17139 , 92175 , 937497 , 382652 , 8275052 , 4006570 , 31049845 , 15598874 , 32622045 , 156612790 , 889681304 , 960246429
n×2
42984436
n×3
64476654
n×4
85968872
n×5
107461090
n÷2
10746109
n÷3
7164072.6666667
n÷3
5373054.5
n÷5
4298443.6
n2
461915434559524
n3
9.927587217118E+21
n4
2.1336586868431E+29
n5
4.5857057635226E+36
2 √n
4635.9700171593
3 √n
278.03133542543
4 √n
68.087957945288
5 √n
29.272259558925
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
-21492217
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 21492218 can be divided by 8 positive divisors.
The sum of these divisors (counting 21492218) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111000111111010
3
Ternary
1111102220210002
4
Quaternary
1101333013322
5
Quinary
21000222333
6
Senary
2044353002
8
Octal
121770772
10
Decimal
21492218
12
Duodecimal
7245762
16
Hexadecimal
147f1fa
20
Vigesimal
6e6aai
36
Base36
csni2
md5
21dcf4f74c5410a17957d8c41548de8a
sha1
e8f5ef793e83b9946a4995639683486dff338dac
sha256
73fd3fa1bb0e0e76cb440970713324dbfc4cc566e4805e3e86a2a8e944fb90a1
sha512
fdc0d973e8d8d265e398b2f893cc45176d41c6389118ae1a325ef55c162d3841eff4a58d5c86b2fae0d636be31b020c0b3997525fed1ffcbb88fb0f623e1915f
ripemd-160
5b1e1ce6ee28351737105b9702e5be4d4cf13066
Diameter
42984436
Circumference
135039588.3563
Area
1.4511501357919E+15
Volume
4.1584580092227E+22
Surface area
5.8046005431678E+15
Circumference
135039588.3563
Perimeter
85968872
Area
461915434559524
Diagonal
30394586.181079
Surface area
2771492607357144
Volume
9.927587217118E+21
Space diagonal
37225613.543346
Perimeter
64476654
Area
2.0001525036434E+14
Altitude
18612806.771673
Surface area
2.0001525036434E+14
Volume
1.1699773736742E+21
Height
10131528.727026