21568164 is an even 8-digits composite number following 21568163
and preceding 21568165 . In scientific notation, it is written as 2.1568164 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 7171584 positive integers (up to 21568164) that are relatively prime to 21568164.
21568164 has 24 divisors, whose sum is 50450400
The reverse of 21568164 is 46186512
Previous prime number is 449
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million five hundred sixty-eight thousand one hundred sixty-four
Scientific notation
2.1568164 × 10^7
Engineering notation
2.1568164 × 10^6
Prime Factorization
2 × 2 × 3 × 449 × 4003
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10784082
Product of the distinct prime numbers
The prime factorization of 21568164 is 2 × 2 × 3 × 449 × 4003.
Since it has a total of 5 prime factors.
7 , 7 , 45 , 4 , 236 , 356 , 9454 , 191 , 72017 , 30466 , 623471 , 928400 , 3576528 , 3633056 , 72859709 , 52374791 , 720045413 , 871810449 , 8812256027 , 4973710968
n×2
43136328
n×3
64704492
n×4
86272656
n×5
107840820
n÷2
10784082
n÷3
7189388
n÷3
5392041
n÷5
4313632.8
n2
465185698330896
n3
1.0033201432055E+22
n4
2.163977339316E+29
n5
4.6673018146652E+36
2 √n
4644.1537442251
3 √n
278.35843901651
4 √n
68.14802817562
5 √n
29.292917970177
1 , 2 , 3 , 4 , 6 , 12 , 449 , 898 , 1347 , 1796 , 2694 , 4003 , 5388 , 8006 , 12009 , 16012 , 24018 , 48036 , 1797347 , 3594694 , 5392041 , 7189388 , 10784082 , 21568164
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21568163
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21568164 can be divided by 24 positive divisors.
The sum of these divisors (counting 21568164) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010010001101010100100
3
Ternary
1111120202221220
4
Quaternary
1102101222210
5
Quinary
21010140124
6
Senary
2050140340
8
Octal
122215244
10
Decimal
21568164
12
Duodecimal
72816b0
16
Hexadecimal
1491aa4
20
Vigesimal
6eg084
36
Base36
cua3o
md5
105b7819ba4ac79a53cf196523a6b0a0
sha1
494b6be2e5439e39fbe7f1d7be7c7d93f0f1cead
sha256
9ce6d2c21ba4ee4d3827c520474d74a6eb197133a550bb6a62f21a34ab0823a0
sha512
5f95c841bebeaa85e708b1e26d01a321f6da0526dff48d69e0947fcfc29d8f6a1de8c0d46acb7cafada90fc6660cc892428dc15ef90dc7ef01b2eb3942240fbb
ripemd-160
50daf862fea8162b9a7952da5f38ad7775f6a72b
Diameter
43136328
Circumference
135516771.14764
Area
1.4614239724314E+15
Volume
4.2026975881242E+22
Surface area
5.8456958897255E+15
Circumference
135516771.14764
Perimeter
86272656
Area
465185698330896
Diagonal
30501990.044287
Surface area
2791114189985376
Volume
1.0033201432055E+22
Space diagonal
37357155.873978
Perimeter
64704492
Area
2.0143131611588E+14
Altitude
18678577.936989
Surface area
2.0143131611588E+14
Volume
1.1824241282695E+21
Height
10167330.014762