21232215 is an odd 8-digits composite number following 21232214
and preceding 21232216 . In scientific notation, it is written as 2.1232215 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors.
There are 10719648 positive integers (up to 21232215) that are relatively prime to 21232215.
21232215 has 12 divisors, whose sum is 22924008
The reverse of 21232215 is 51223212
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million two hundred thirty-two thousand two hundred fifteen
Scientific notation
2.1232215 × 10^7
Engineering notation
2.1232215 × 10^6
Prime Factorization
45 × 19 × 19 × 1307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1117485
Product of the distinct prime numbers
The prime factorization of 21232215 is 45 × 19 × 19 × 1307.
Since it has a total of 4 prime factors.
2 , 4 , 32 , 24 , 876 , 76 , 2530 , 2089 , 22373 , 23060 , 722225 , 880684 , 1538864 , 6875438 , 54060058 , 10833871 , 433019786 , 47811463 , 4108889093 , 4797133076
n×2
42464430
n×3
63696645
n×4
84928860
n×5
106161075
n÷2
10616107.5
n÷3
7077405
n÷3
5308053.75
n÷5
4246443
n2
450806953806225
n3
9.5716301667088E+21
n4
2.0322690960005E+29
n5
4.3149574384138E+36
2 √n
4607.8427707551
3 √n
276.90561846845
4 √n
67.881092881266
5 √n
29.201089854019
1 , 19 , 45 , 361 , 855 , 1307 , 16245 , 24833 , 58815 , 471827 , 1117485 , 21232215
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
-21232214
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 21232215 can be divided by 12 positive divisors.
The sum of these divisors (counting 21232215) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000111111101001010111
3
Ternary
1110221201010100
4
Quaternary
1100333221113
5
Quinary
20413412330
6
Senary
2035025143
8
Octal
120775127
10
Decimal
21232215
12
Duodecimal
713b1b3
16
Hexadecimal
143fa57
20
Vigesimal
6ce0af
36
Base36
cn2vr
md5
bc639c1eff4ff22b7b59c7f82f45a1da
sha1
cce8342d8b645b251c147dd0e9eb1200110ee929
sha256
f0aaa81f8034119f9eb624a0f47c6574feed5f48098b2ca001ca37cdfaa8b061
sha512
8988195d7a018770ed0c788b4bff1a8541aa47d863ae95d0355ff6db38c9fbc056107a2273a6ee0ac1bd3854faba6cd80756e101ccd048460849b81de9579bf7
ripemd-160
21238fc1585babb240c6171e3d0c2e09f4d26b14
Diameter
42464430
Circumference
133405941.32688
Area
1.4162518142648E+15
Volume
4.0093550686148E+22
Surface area
5.6650072570593E+15
Circumference
133405941.32688
Perimeter
84928860
Area
450806953806225
Diagonal
30026886.412221
Surface area
2704841722837350
Volume
9.5716301667088E+21
Space diagonal
36775275.137226
Perimeter
63696645
Area
1.9520513709943E+14
Altitude
18387637.568613
Surface area
1.9520513709943E+14
Volume
1.1280274329816E+21
Height
10008962.137407