21557056 is an even 8-digits composite number following 21557055
and preceding 21557057 . In scientific notation, it is written as 2.1557056 × 10^7.
The sum of its digits is 31. It has a total of 7 prime factors and 14 positive divisors.
There are 10778496 positive integers (up to 21557056) that are relatively prime to 21557056.
21557056 has 14 divisors, whose sum is 42777410
The reverse of 21557056 is 65075512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million five hundred fifty-seven thousand fifty-six
Scientific notation
2.1557056 × 10^7
Engineering notation
2.1557056 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 336829
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
673658
Product of the distinct prime numbers
The prime factorization of 21557056 is 2 × 2 × 2 × 2 × 2 × 2 × 336829.
Since it has a total of 7 prime factors.
6 , 1 , 30 , 57 , 923 , 925 , 3757 , 9706 , 85502 , 5806 , 117890 , 174402 , 4021090 , 8437448 , 86241711 , 24783253 , 558420352 , 103592226 , 2090542078 , 1001173778
n×2
43114112
n×3
64671168
n×4
86228224
n×5
107785280
n÷2
10778528
n÷3
7185685.3333333
n÷3
5389264
n÷5
4311411.2
n2
464706663387136
n3
1.001770756621E+22
n4
2.159522829964E+29
n5
4.6552954578813E+36
2 √n
4642.9576780324
3 √n
278.31064424353
4 √n
68.13925210943
5 √n
29.289900070412
1 , 2 , 4 , 8 , 16 , 32 , 64 , 336829 , 673658 , 1347316 , 2694632 , 5389264 , 10778528 , 21557056
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21557055
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21557056 can be divided by 14 positive divisors.
The sum of these divisors (counting 21557056) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
1010010001110111101000000
3
Ternary
1111120012201111
4
Quaternary
1102032331000
5
Quinary
21004311211
6
Senary
2050013104
8
Octal
122167500
10
Decimal
21557056
12
Duodecimal
7277194
16
Hexadecimal
148ef40
20
Vigesimal
6eeccg
36
Base36
cu1j4
md5
1e0faa639354e9c33cd2d32e60f5a64e
sha1
185e89e50c7f32d59bb752f91a2d54233d9e801b
sha256
a296e5dce0ce821f0b4b790a82c2f41c01337339dba1050f99874b57cd3273c8
sha512
e712cbad21815b58857156a6c0dc7d19c867821af478aedd085ee14725b7d934cfad8e1ff4834289a79fb8e19f9a3d6034537fbdf8d680ab861e4caa16cb48f5
ripemd-160
4548847e4b15b7fbef44881b2349fd3d315560ec
Diameter
43114112
Circumference
135446977.52525
Area
1.4599190397713E+15
Volume
4.1962075327753E+22
Surface area
5.839676159085E+15
Circumference
135446977.52525
Perimeter
86228224
Area
464706663387136
Diagonal
30486280.960036
Surface area
2788239980322816
Volume
1.001770756621E+22
Space diagonal
37337916.253608
Perimeter
64671168
Area
2.0122388790058E+14
Altitude
18668958.126804
Surface area
2.0122388790058E+14
Volume
1.1805981586684E+21
Height
10162093.653345