21131772 is an even 8-digits composite number following 21131771
and preceding 21131773 . In scientific notation, it is written as 2.1131772 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors.
There are 7043920 positive integers (up to 21131772) that are relatively prime to 21131772.
21131772 has 12 divisors, whose sum is 49307496
The reverse of 21131772 is 27713112
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million one hundred thirty-one thousand seven hundred seventy-two
Scientific notation
2.1131772 × 10^7
Engineering notation
2.1131772 × 10^6
Prime Factorization
2 × 2 × 3 × 1760981
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10565886
Product of the distinct prime numbers
The prime factorization of 21131772 is 2 × 2 × 3 × 1760981.
Since it has a total of 4 prime factors.
10 , 3 , 70 , 49 , 241 , 947 , 1926 , 6038 , 90597 , 99345 , 213256 , 673002 , 5889642 , 5184017 , 79497616 , 46321481 , 424978970 , 240066950 , 9006017247 , 727003940
n×2
42263544
n×3
63395316
n×4
84527088
n×5
105658860
n÷2
10565886
n÷3
7043924
n÷3
5282943
n÷5
4226354.4
n2
446551787859984
n3
9.4364305672495E+21
n4
1.9940849924095E+29
n5
4.2138549408219E+36
2 √n
4596.930715162
3 √n
276.46827667051
4 √n
67.80066898757
5 √n
29.17340917159
1 , 2 , 3 , 4 , 6 , 12 , 1760981 , 3521962 , 5282943 , 7043924 , 10565886 , 21131772
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
-21131771
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 21131772 can be divided by 12 positive divisors.
The sum of these divisors (counting 21131772) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100111000111111100
3
Ternary
1110202121100020
4
Quaternary
1100213013330
5
Quinary
20402204042
6
Senary
2032532140
8
Octal
120470774
10
Decimal
21131772
12
Duodecimal
70b1050
16
Hexadecimal
14271fc
20
Vigesimal
6c198c
36
Base36
ckxdo
md5
c29dd29d2b70c0ff6ecaea6d30fb6414
sha1
d6ab9a8e18501da85103452bef8f216aff4db123
sha256
4661eab650b6fc691be7fdf6ba9dca72896c52f7280f2ff16e9987754ddabdf6
sha512
e38e9fc2aa0e40b1c7b2c89038b9bcb68afad4d432fecf5cf2ad1beda9baa3b4b0c2349f591612d94aa0786261200f67c21ec02858e50572984a4e32567e879b
ripemd-160
38b3f27258b5f4fe7672ed69e2fa2e22d650f5b6
Diameter
42263544
Circumference
132774839.34507
Area
1.4028838161883E+15
Volume
3.9527227928242E+22
Surface area
5.6115352647533E+15
Circumference
132774839.34507
Perimeter
84527088
Area
446551787859984
Diagonal
29884838.559376
Surface area
2679310727159904
Volume
9.4364305672495E+21
Space diagonal
36601302.757961
Perimeter
63395316
Area
1.9336259619605E+14
Altitude
18300651.378981
Surface area
1.9336259619605E+14
Volume
1.112094007383E+21
Height
9961612.8531253