21866481 is an odd 8-digits composite number following 21866480
and preceding 21866482 . In scientific notation, it is written as 2.1866481 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 11533536 positive integers (up to 21866481) that are relatively prime to 21866481.
21866481 has 12 divisors, whose sum is 31933200
The reverse of 21866481 is 18466812
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million eight hundred sixty-six thousand four hundred eighty-one
Scientific notation
2.1866481 × 10^7
Engineering notation
2.1866481 × 10^6
Prime Factorization
91 × 3 × 3 × 26699
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7288827
Product of the distinct prime numbers
The prime factorization of 21866481 is 91 × 3 × 3 × 26699.
Since it has a total of 4 prime factors.
8 , 1 , 26 , 76 , 961 , 48 , 6932 , 2588 , 67703 , 6958 , 783161 , 523789 , 5245374 , 1461378 , 42596086 , 28123889 , 273502876 , 687946016 , 857930048 , 5527496212
n×2
43732962
n×3
65599443
n×4
87465924
n×5
109332405
n÷2
10933240.5
n÷3
7288827
n÷3
5466620.25
n÷5
4373296.2
n2
478142991323361
n3
1.0455304635055E+22
n4
2.2862072015165E+29
n5
4.9991306334024E+36
2 √n
4676.1609253746
3 √n
279.6359256213
4 √n
68.382460656038
5 √n
29.373505508723
1 , 3 , 9 , 91 , 273 , 819 , 26699 , 80097 , 240291 , 2429609 , 7288827 , 21866481
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
-21866480
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 21866481 can be divided by 12 positive divisors.
The sum of these divisors (counting 21866481) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011011010011111110001
3
Ternary
1112010221011200
4
Quaternary
1103122133301
5
Quinary
21044211411
6
Senary
2100401413
8
Octal
123323761
10
Decimal
21866481
12
Duodecimal
73a6269
16
Hexadecimal
14da7f1
20
Vigesimal
6gd641
36
Base36
d0oa9
md5
ca2fba71e751b279e1aed2f2bf295931
sha1
7afd217f5a1fec717159a9a0c48c2f032aadf6b3
sha256
e025043d8752f55983e672ea863c4b77a1044c21dd2cb2714130458fb567fbd4
sha512
77f2aa1dcf1e89a952a83d07df2e12b308793607a537f4b8e2bb0fd6acd32d3a3b9fdb5714428a971fced6efcbb8bcbfa4eb35daa544be4bc1a5d176f61e0d22
ripemd-160
d9d67d9f01d3d4f241457319fc39ea03e8ef8840
Diameter
43732962
Circumference
137391152.13892
Area
1.5021305089069E+15
Volume
4.3795077643378E+22
Surface area
6.0085220356277E+15
Circumference
137391152.13892
Perimeter
87465924
Area
478142991323361
Diagonal
30923873.991574
Surface area
2868857947940166
Volume
1.0455304635055E+22
Space diagonal
37873856.07474
Perimeter
65599443
Area
2.0704198856376E+14
Altitude
18936928.03737
Surface area
2.0704198856376E+14
Volume
1.2321694678031E+21
Height
10307957.997191