21568471 is an odd 8-digits prime number following 21568470
and preceding 21568472 . In scientific notation, it is written as 2.1568471 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 21568470 positive integers (up to 21568471) that are relatively prime to 21568471.
21568471 has 2 divisors, whose sum is 21568472
The reverse of 21568471 is 17486512
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million five hundred sixty-eight thousand four hundred seventy-one
Scientific notation
2.1568471 × 10^7
Engineering notation
2.1568471 × 10^6
Prime Factorization
21568471
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21568471
Product of the distinct prime numbers
The prime factorization of 21568471 is 21568471.
Since it has a total of 1 prime factors.
5 , 3 , 16 , 87 , 382 , 345 , 2300 , 1613 , 35272 , 6297 , 842636 , 573808 , 3656259 , 6249208 , 53146048 , 44187344 , 197955564 , 554557221 , 6213361625 , 4197424842
n×2
43136942
n×3
64705413
n×4
86273884
n×5
107842355
n÷2
10784235.5
n÷3
7189490.3333333
n÷3
5392117.75
n÷5
4313694.2
n2
465198941277841
n3
1.0033629874182E+22
n4
2.1641005496602E+29
n5
4.6676339946431E+36
2 √n
4644.1867964155
3 √n
278.35975972289
4 √n
68.148270678099
5 √n
29.293001360443
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21568472
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10784236
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4644.186904077
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999072721
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21568471 can be divided by 2 positive divisors.
The sum of these divisors (counting 21568471) is 21568472, the average is 10784236.
Base
System
Value
2
Binary
1010010010001101111010111
3
Ternary
1111120210101021
4
Quaternary
1102101233113
5
Quinary
21010142341
6
Senary
2050142011
8
Octal
122215727
10
Decimal
21568471
12
Duodecimal
7281907
16
Hexadecimal
1491bd7
20
Vigesimal
6eg13b
36
Base36
cuac7
md5
edb8ebdd08dd23b7608a5f61d4ce3195
sha1
c56f6572adb22bb1eb5900df6db83652de3ce800
sha256
ac593a836aa8f50ba01ced1b931fc740bc5e692497d1a035189948584b549d61
sha512
ef3fa047bede10bdde464a77fb259fda7d8a0268fceec5f35cffc9bcf65c3f8508dae6d82bd047161419e5e7046daf68a6de02896e874a783b9cfba939fcca92
ripemd-160
4bbe97b16edab2c5593023446fa73fa17a18717f
Diameter
43136942
Circumference
135518700.08553
Area
1.4614655763762E+15
Volume
4.2028770535425E+22
Surface area
5.8458623055049E+15
Circumference
135518700.08553
Perimeter
86273884
Area
465198941277841
Diagonal
30502424.207851
Surface area
2791193647667046
Volume
1.0033629874182E+22
Space diagonal
37357687.613576
Perimeter
64705413
Area
2.0143705048012E+14
Altitude
18678843.806788
Surface area
2.0143705048012E+14
Volume
1.1824746206583E+21
Height
10167474.73595