21291232 is an even 8-digits composite number following 21291231
and preceding 21291233 . In scientific notation, it is written as 2.1291232 × 10^7.
The sum of its digits is 22. It has a total of 6 prime factors and 12 positive divisors.
There are 10645600 positive integers (up to 21291232) that are relatively prime to 21291232.
21291232 has 12 divisors, whose sum is 41917176
The reverse of 21291232 is 23219212
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million two hundred ninety-one thousand two hundred thirty-two
Scientific notation
2.1291232 × 10^7
Engineering notation
2.1291232 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 665351
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1330702
Product of the distinct prime numbers
The prime factorization of 21291232 is 2 × 2 × 2 × 2 × 2 × 665351.
Since it has a total of 6 prime factors.
3 , 7 , 6 , 51 , 981 , 586 , 7628 , 5691 , 75443 , 77225 , 772632 , 111345 , 3029523 , 6937851 , 72774787 , 2524994 , 605129326 , 124258440 , 4506125690 , 8637376632
n×2
42582464
n×3
63873696
n×4
85164928
n×5
106456160
n÷2
10645616
n÷3
7097077.3333333
n÷3
5322808
n÷5
4258246.4
n2
453316560077824
n3
9.6516680500589E+21
n4
2.0549590364079E+29
n5
4.3752609594657E+36
2 √n
4614.2422996631
3 √n
277.1619431258
4 √n
67.928214312339
5 √n
29.217305287124
1 , 2 , 4 , 8 , 16 , 32 , 665351 , 1330702 , 2661404 , 5322808 , 10645616 , 21291232
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21291231
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21291232 can be divided by 12 positive divisors.
The sum of these divisors (counting 21291232) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001001110000011100000
3
Ternary
1111001201002011
4
Quaternary
1101032003200
5
Quinary
20422304412
6
Senary
2040202304
8
Octal
121160340
10
Decimal
21291232
12
Duodecimal
7169394
16
Hexadecimal
144e0e0
20
Vigesimal
6d181c
36
Base36
cocf4
md5
a9a55ac818b5eaa17cbdb462ed3c7b0f
sha1
45b273446089a079a6b1b65c03f44e8580e136d2
sha256
2dc4ca69a977d3ab9922800fc7512715ff336f3ec3a7359d7adc6e9cc2ff3278
sha512
13e8cca660530fb686dd6635278df1b56f8f36606aa0e3b21f8d6771fbed44b4a56ba638422a62e42203673b2e916a561fa41974fb0612972666e59327581c0e
ripemd-160
ee24255ee74f401c7ec193b9d33ee4000d589d30
Diameter
42582464
Circumference
133776756.07415
Area
1.4241359748911E+15
Volume
4.0428812587936E+22
Surface area
5.6965438995644E+15
Circumference
133776756.07415
Perimeter
85164928
Area
453316560077824
Diagonal
30110349.054032
Surface area
2719899360466944
Volume
9.6516680500589E+21
Space diagonal
36877495.579736
Perimeter
63873696
Area
1.9629182849179E+14
Altitude
18438747.789868
Surface area
1.9629182849179E+14
Volume
1.137459987993E+21
Height
10036783.018011