21231486 is an even 8-digits composite number following 21231485
and preceding 21231487 . In scientific notation, it is written as 2.1231486 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 7077156 positive integers (up to 21231486) that are relatively prime to 21231486.
21231486 has 8 divisors, whose sum is 35385840
The reverse of 21231486 is 68413212
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million two hundred thirty-one thousand four hundred eighty-six
Scientific notation
2.1231486 × 10^7
Engineering notation
2.1231486 × 10^6
Prime Factorization
2 × 9 × 1179527
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21231486
Product of the distinct prime numbers
The prime factorization of 21231486 is 2 × 9 × 1179527.
Since it has a total of 3 prime factors.
4 , 6 , 73 , 95 , 36 , 725 , 7446 , 9266 , 54748 , 16172 , 981234 , 169817 , 8734516 , 7741164 , 40088555 , 91003555 , 560338592 , 522375261 , 4976022238 , 7228004266
n×2
42462972
n×3
63694458
n×4
84925944
n×5
106157430
n÷2
10615743
n÷3
7077162
n÷3
5307871.5
n÷5
4246297.2
n2
450775997768196
n3
9.5706442857515E+21
n4
2.0319900016391E+29
n5
4.3142167271941E+36
2 √n
4607.7636658145
3 √n
276.9024492826
4 √n
67.880510205909
5 √n
29.200889329609
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21231485
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21231486 can be divided by 8 positive divisors.
The sum of these divisors (counting 21231486) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000111111011101111110
3
Ternary
1110221200010100
4
Quaternary
1100333131332
5
Quinary
20413401421
6
Senary
2035021530
8
Octal
120773576
10
Decimal
21231486
12
Duodecimal
713a8a6
16
Hexadecimal
143f77e
20
Vigesimal
6cdie6
36
Base36
cn2bi
md5
caab9e53fded562c8c1c6291974f0e50
sha1
eee30fd9ac5f69e37a19fdd7c5b4b53f4f21cfbe
sha256
f5ca8b3db5abab79d79c39bd0883bef38b59287929ac28a31fbab6bb02cf885f
sha512
4d2984380433350c82d6da6d4b13b77c0d5c187be51e84f543e17a2ae2314f23e8ff9858d834bf1aad93c355e2e98498482a4e852dd24cddb0d756efdf024011
ripemd-160
30442aaf31c3a92090c4f9a7cf6acf52c4ba5676
Diameter
42462972
Circumference
133401360.88479
Area
1.4161545630032E+15
Volume
4.0089421037651E+22
Surface area
5.6646182520127E+15
Circumference
133401360.88479
Perimeter
84925944
Area
450775997768196
Diagonal
30025855.450534
Surface area
2704655986609176
Volume
9.5706442857515E+21
Space diagonal
36774012.472187
Perimeter
63694458
Area
1.9519173274177E+14
Altitude
18387006.236094
Surface area
1.9519173274177E+14
Volume
1.1279112457965E+21
Height
10008618.483512