21492732 is an even 8-digits composite number following 21492731
and preceding 21492733 . In scientific notation, it is written as 2.1492732 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 7146496 positive integers (up to 21492732) that are relatively prime to 21492732.
21492732 has 24 divisors, whose sum is 50274000
The reverse of 21492732 is 23729412
Previous prime number is 449
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred ninety-two thousand seven hundred thirty-two
Scientific notation
2.1492732 × 10^7
Engineering notation
2.1492732 × 10^6
Prime Factorization
2 × 2 × 3 × 449 × 3989
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10746366
Product of the distinct prime numbers
The prime factorization of 21492732 is 2 × 2 × 3 × 449 × 3989.
Since it has a total of 5 prime factors.
3 , 4 , 51 , 52 , 38 , 674 , 5593 , 6068 , 6608 , 14215 , 537901 , 571932 , 7196198 , 2857517 , 9411844 , 33710795 , 191675945 , 442221190 , 2100199669 , 5646950441
n×2
42985464
n×3
64478196
n×4
85970928
n×5
107463660
n÷2
10746366
n÷3
7164244
n÷3
5373183
n÷5
4298546.4
n2
461937528823824
n3
9.9282995077527E+21
n4
2.1338628053586E+29
n5
4.5862541400341E+36
2 √n
4636.0254529068
3 √n
278.03355183956
4 √n
68.088365033292
5 √n
29.27239957051
1 , 2 , 3 , 4 , 6 , 12 , 449 , 898 , 1347 , 1796 , 2694 , 3989 , 5388 , 7978 , 11967 , 15956 , 23934 , 47868 , 1791061 , 3582122 , 5373183 , 7164244 , 10746366 , 21492732
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492731
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492732 can be divided by 24 positive divisors.
The sum of these divisors (counting 21492732) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001111111001111111100
3
Ternary
1111102221111010
4
Quaternary
1101333033330
5
Quinary
21000231412
6
Senary
2044355220
8
Octal
121771774
10
Decimal
21492732
12
Duodecimal
7245b10
16
Hexadecimal
147f3fc
20
Vigesimal
6e6bgc
36
Base36
csnwc
md5
cbfa17579c62ba2174f25e2eb175b8bf
sha1
80df514d1a6ddc8af756287c37512cb4db941681
sha256
bd5cf7caa94f128845790ef2808aa1a37154bfdb204a17389af871c8fb90ea0d
sha512
b0545247a2f55d019d048394257b7074fb324150e3bc36847e86e92751438295496e70ab98865ecf933d2255c81ad1ecaa21aba56ca4b321acae2c22b643eeed
ripemd-160
aed04a47f5fe89488203c7b54dabdc7aec289c82
Diameter
42985464
Circumference
135042817.91355
Area
1.4512195469703E+15
Volume
4.158756372826E+22
Surface area
5.8048781878814E+15
Circumference
135042817.91355
Perimeter
85970928
Area
461937528823824
Diagonal
30395313.08685
Surface area
2771625172942944
Volume
9.9282995077527E+21
Space diagonal
37226503.817461
Perimeter
64478196
Area
2.0002481746142E+14
Altitude
18613251.908731
Surface area
2.0002481746142E+14
Volume
1.1700613179305E+21
Height
10131771.02895