21864531 is an odd 8-digits composite number following 21864530
and preceding 21864532 . In scientific notation, it is written as 2.1864531 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 13322016 positive integers (up to 21864531) that are relatively prime to 21864531.
21864531 has 16 divisors, whose sum is 31705856
The reverse of 21864531 is 13546812
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million eight hundred sixty-four thousand five hundred thirty-one
Scientific notation
2.1864531 × 10^7
Engineering notation
2.1864531 × 10^6
Prime Factorization
3 × 13 × 103 × 5443
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21864531
Product of the distinct prime numbers
The prime factorization of 21864531 is 3 × 13 × 103 × 5443.
Since it has a total of 4 prime factors.
4 , 8 , 24 , 96 , 604 , 879 , 7503 , 5332 , 68477 , 35459 , 175249 , 99510 , 2151796 , 5525153 , 20143533 , 14848944 , 956562890 , 195116831 , 833458518 , 9630790227
n×2
43729062
n×3
65593593
n×4
87458124
n×5
109322655
n÷2
10932265.5
n÷3
7288177
n÷3
5466132.75
n÷5
4372906.2
n2
478057715849961
n3
1.0452507747991E+22
n4
2.2853917968368E+29
n5
4.9969019789084E+36
2 √n
4675.9524163533
3 √n
279.62761295521
4 √n
68.380936059353
5 √n
29.372981598369
1 , 3 , 13 , 39 , 103 , 309 , 1339 , 4017 , 5443 , 16329 , 70759 , 212277 , 560629 , 1681887 , 7288177 , 21864531
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21864530
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21864531 can be divided by 16 positive divisors.
The sum of these divisors (counting 21864531) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011011010000001010011
3
Ternary
1112010211111110
4
Quaternary
1103122001103
5
Quinary
21044131111
6
Senary
2100344403
8
Octal
123320123
10
Decimal
21864531
12
Duodecimal
73a5103
16
Hexadecimal
14da053
20
Vigesimal
6gd16b
36
Base36
d0ms3
md5
0aebe7ffdf7bf076c71f36b028d0aeea
sha1
6d8e289b034840b9c9382e42c0857110563a6faa
sha256
73530b779f6a2c8f5fec4a29d4f13d2eedc1b7a42bfaff5b64ba8eeb11cfe613
sha512
0aa7b2001ce7fe39643bb7db1010d8636636e14f079efe04b5d514c3631e9666a8e6f1b2e7d4bd744c0e6e8036a8d0b3bc26924b012a066cb4cd241aff9711c0
ripemd-160
44d0ed7845c8cf4bd94241c6352c2c48da3a29fd
Diameter
43729062
Circumference
137378899.92757
Area
1.5018626081062E+15
Volume
4.3783362070237E+22
Surface area
6.0074504324246E+15
Circumference
137378899.92757
Perimeter
87458124
Area
478057715849961
Diagonal
30921116.275127
Surface area
2868346295099766
Volume
1.0452507747991E+22
Space diagonal
37870478.575665
Perimeter
65593593
Area
2.0700506320061E+14
Altitude
18935239.287832
Surface area
2.0700506320061E+14
Volume
1.2318398515015E+21
Height
10307038.758376