21232812 is an even 8-digits composite number following 21232811
and preceding 21232813 . In scientific notation, it is written as 2.1232812 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 7077600 positive integers (up to 21232812) that are relatively prime to 21232812.
21232812 has 12 divisors, whose sum is 49543256
The reverse of 21232812 is 21823212
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million two hundred thirty-two thousand eight hundred twelve
Scientific notation
2.1232812 × 10^7
Engineering notation
2.1232812 × 10^6
Prime Factorization
2 × 2 × 3 × 1769401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10616406
Product of the distinct prime numbers
The prime factorization of 21232812 is 2 × 2 × 3 × 1769401.
Since it has a total of 4 prime factors.
1 , 10 , 88 , 44 , 975 , 879 , 7278 , 9579 , 28312 , 54218 , 783549 , 552743 , 8360860 , 3244634 , 77259245 , 83779348 , 894312055 , 228138075 , 4107093936 , 5122242043
n×2
42465624
n×3
63698436
n×4
84931248
n×5
106164060
n÷2
10616406
n÷3
7077604
n÷3
5308203
n÷5
4246562.4
n2
450832305427344
n3
9.5724375846654E+21
n4
2.0324976761693E+29
n5
4.315564104854E+36
2 √n
4607.9075511559
3 √n
276.90821375593
4 √n
67.881570040446
5 √n
29.201254065379
1 , 2 , 3 , 4 , 6 , 12 , 1769401 , 3538802 , 5308203 , 7077604 , 10616406 , 21232812
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
-21232811
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 21232812 can be divided by 12 positive divisors.
The sum of these divisors (counting 21232812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000111111110010101100
3
Ternary
1110221201221110
4
Quaternary
1100333302230
5
Quinary
20413422222
6
Senary
2035032020
8
Octal
120776254
10
Decimal
21232812
12
Duodecimal
713b610
16
Hexadecimal
143fcac
20
Vigesimal
6ce20c
36
Base36
cn3cc
md5
1a0a4c1fd451708c5562bf191b1bf94a
sha1
a9e3a2c95ffb491e8d68c8709f398fd7de0afed2
sha256
36c41723a750e10d0b42f3305a16e2df6398cd0e95cb45ea7d7202ae9070dcbe
sha512
ec315d3ca4baa2443fa9b54e38e013a5a8ce0ee9b6c323ad6ad8d507f87833aa5d653a21342b2a26bfe450e3be5e2872edf0053c8e89e46240d6bb396968c820
ripemd-160
fcc18ae2dcea898db90b36735d64bd0836e7141f
Diameter
42465624
Circumference
133409692.38851
Area
1.4163314587315E+15
Volume
4.0096932790575E+22
Surface area
5.665325834926E+15
Circumference
133409692.38851
Perimeter
84931248
Area
450832305427344
Diagonal
30027730.697718
Surface area
2704993832564064
Volume
9.5724375846654E+21
Space diagonal
36776309.171558
Perimeter
63698436
Area
1.9521611467339E+14
Altitude
18388154.585779
Surface area
1.9521611467339E+14
Volume
1.1281225881003E+21
Height
10009243.565906