21556086 is an even 8-digits composite number following 21556085
and preceding 21556087 . In scientific notation, it is written as 2.1556086 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 7174400 positive integers (up to 21556086) that are relatively prime to 21556086.
21556086 has 16 divisors, whose sum is 43177968
The reverse of 21556086 is 68065512
Previous prime number is 761
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million five hundred fifty-six thousand eighty-six
Scientific notation
2.1556086 × 10^7
Engineering notation
2.1556086 × 10^6
Prime Factorization
2 × 3 × 761 × 4721
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21556086
Product of the distinct prime numbers
The prime factorization of 21556086 is 2 × 3 × 761 × 4721.
Since it has a total of 4 prime factors.
9 , 8 , 88 , 41 , 556 , 615 , 7223 , 963 , 82308 , 11180 , 744784 , 865273 , 7527186 , 912010 , 74993506 , 48308115 , 21873877 , 839121686 , 3352913650 , 7925696202
n×2
43112172
n×3
64668258
n×4
86224344
n×5
107780430
n÷2
10778043
n÷3
7185362
n÷3
5389021.5
n÷5
4311217.2
n2
464664843639396
n3
1.0016355330667E+22
n4
2.1591341691442E+29
n5
4.6542481835612E+36
2 √n
4642.8532175808
3 √n
278.30646981183
4 √n
68.138485583265
5 √n
29.289636474915
1 , 2 , 3 , 6 , 761 , 1522 , 2283 , 4566 , 4721 , 9442 , 14163 , 28326 , 3592681 , 7185362 , 10778043 , 21556086
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
-21556085
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 21556086 can be divided by 16 positive divisors.
The sum of these divisors (counting 21556086) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001110101101110110
3
Ternary
1111120011101120
4
Quaternary
1102032231312
5
Quinary
21004243321
6
Senary
2050004410
8
Octal
122165566
10
Decimal
21556086
12
Duodecimal
7276706
16
Hexadecimal
148eb76
20
Vigesimal
6eea46
36
Base36
cu0s6
md5
7ea873552dde8bc2594e899d313c1f96
sha1
bf3e3a9daab5fe5231370c731cd338628e40145c
sha256
b4ba0ec695ae6d9a8c97f5d23645d3819954da9597a54ca96aa4902d3919ae73
sha512
695490f968d52542bb6e1498442ad7ee7cbc109b3d26d424c3732deee6f254ea3b69e32ed2c9c6ae2b8c13693a6e5bff19c8cdabf9e5a7ca42f0c1ca5d5eecdb
ripemd-160
f7c91efa5b7abe8c6607a4baa025c5610957746c
Diameter
43112172
Circumference
135440882.8355
Area
1.459787659159E+15
Volume
4.1956411096759E+22
Surface area
5.8391506366359E+15
Circumference
135440882.8355
Perimeter
86224344
Area
464664843639396
Diagonal
30484909.172881
Surface area
2787989061836376
Volume
1.0016355330667E+22
Space diagonal
37336236.164324
Perimeter
64668258
Area
2.0120577941862E+14
Altitude
18668118.082162
Surface area
2.0120577941862E+14
Volume
1.1804387961815E+21
Height
10161636.39096