21557560 is an even 8-digits composite number following 21557559
and preceding 21557561 . In scientific notation, it is written as 2.1557560 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 8623008 positive integers (up to 21557560) that are relatively prime to 21557560.
21557560 has 16 divisors, whose sum is 48504600
The reverse of 21557560 is 06575512
Previous prime number is 5
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 five hundred sixty
Scientific notation
2.1557560 × 10^7
Engineering notation
2.1557560 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 538939
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5389390
Product of the distinct prime numbers
The prime factorization of 21557560 is 2 × 2 × 2 × 5 × 538939.
Since it has a total of 5 prime factors.
3 , 6 , 73 , 34 , 569 , 636 , 9065 , 924 , 40982 , 32679 , 37890 , 822686 , 2443259 , 9714680 , 14642349 , 97398305 , 750435842 , 280907920 , 5847879462 , 1344347025
n×2
43115120
n×3
64672680
n×4
86230240
n×5
107787800
n÷2
10778780
n÷3
7185853.3333333
n÷3
5389390
n÷5
4311512
n2
464728393153600
n3
1.0018410219112E+22
n4
2.1597247940313E+29
n5
4.6558396830817E+36
2 √n
4643.011953463
3 √n
278.31281317717
4 √n
68.13965037673
5 √n
29.290037027625
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 538939 , 1077878 , 2155756 , 2694695 , 4311512 , 5389390 , 10778780 , 21557560
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
-21557559
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 21557560 can be divided by 16 positive divisors.
The sum of these divisors (counting 21557560) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001111000100111000
3
Ternary
1111120020102011
4
Quaternary
1102033010320
5
Quinary
21004320220
6
Senary
2050015304
8
Octal
122170470
10
Decimal
21557560
12
Duodecimal
7277534
16
Hexadecimal
148f138
20
Vigesimal
6eedi0
36
Base36
cu1x4
md5
c2e5dbb5dc036a326798fc296cfc0ec9
sha1
94e9c8727703aa2b01fd2d20680d9257f99207b9
sha256
1f54f18116a0fd5657234da36bc854fb3757d7c9f8e3130c4bf6ab83a602e94f
sha512
261cc78c6268963c85523ad45c2bd90ff0f972d06d0583d1f0553599074555592fb34c3fddb1cea26ee4ca5fdb82973abe0a1d3a3c87d6bcbd22c84a0c276c24
ripemd-160
fe194e4d2179dd47975a05859ab96c122af899af
Diameter
43115120
Circumference
135450144.25064
Area
1.4599873058459E+15
Volume
4.196501859335E+22
Surface area
5.8399492233838E+15
Circumference
135450144.25064
Perimeter
86230240
Area
464728393153600
Diagonal
30486993.723672
Surface area
2788370358921600
Volume
1.0018410219112E+22
Space diagonal
37338789.207215
Perimeter
64672680
Area
2.0123329716547E+14
Altitude
18669394.603607
Surface area
2.0123329716547E+14
Volume
1.1806809671072E+21
Height
10162331.241224