21866427 is an odd 8-digits composite number following 21866426
and preceding 21866428 . In scientific notation, it is written as 2.1866427 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 13252320 positive integers (up to 21866427) that are relatively prime to 21866427.
21866427 has 4 divisors, whose sum is 22087400
The reverse of 21866427 is 72466812
Previous prime number is 99
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 twenty-seven
Scientific notation
2.1866427 × 10^7
Engineering notation
2.1866427 × 10^6
Prime Factorization
99 × 220873
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21866427
Product of the distinct prime numbers
The prime factorization of 21866427 is 99 × 220873.
Since it has a total of 2 prime factors.
7 , 9 , 54 , 6 , 887 , 363 , 6507 , 6695 , 5243 , 3057 , 276358 , 485367 , 3717048 , 9914534 , 40569593 , 5494178 , 640239544 , 932311358 , 9061925769 , 2390066998
n×2
43732854
n×3
65599281
n×4
87465708
n×5
109332135
n÷2
10933213.5
n÷3
7288809
n÷3
5466606.75
n÷5
4373285.4
n2
478140629746329
n3
1.0455227176082E+22
n4
2.2861846181422E+29
n5
4.9990689061128E+36
2 √n
4676.1551514038
3 √n
279.63569543104
4 √n
68.38241843781
5 √n
29.37349100094
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21866426
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21866427 can be divided by 4 positive divisors.
The sum of these divisors (counting 21866427) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011011010011110111011
3
Ternary
1112010221002200
4
Quaternary
1103122132323
5
Quinary
21044211202
6
Senary
2100401243
8
Octal
123323673
10
Decimal
21866427
12
Duodecimal
73a6223
16
Hexadecimal
14da7bb
20
Vigesimal
6gd617
36
Base36
d0o8r
md5
5b7fc58e9df49e5e44028e4bcd7c3d16
sha1
f8cb377b1df11c8b868e4d73766f0d6b9f5f1262
sha256
e837bf6ea8cb9c5816990459cf8b3efd019beb4cacb4ba4fb4ec5a20d734b01a
sha512
55c3c29c31cec560ba2f08a3f0b8a6e97430345af07a48a87a97794899ac672fea3adafbb7a79cf59e73b0e9c8965adb0096315b3fd8017899e54bd9687a13b3
ripemd-160
9786a6c08f282803d6bba25fdc501354872374f6
Diameter
43732854
Circumference
137390812.84692
Area
1.5021230897939E+15
Volume
4.3794753183989E+22
Surface area
6.0084923591755E+15
Circumference
137390812.84692
Perimeter
87465708
Area
478140629746329
Diagonal
30923797.624041
Surface area
2868843778477974
Volume
1.0455227176082E+22
Space diagonal
37873762.543996
Perimeter
65599281
Area
2.0704096597091E+14
Altitude
18936881.271998
Surface area
2.0704096597091E+14
Volume
1.2321603391756E+21
Height
10307932.541347