21471812 is an even 8-digits composite number following 21471811
and preceding 21471813 . In scientific notation, it is written as 2.1471812 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 10725960 positive integers (up to 21471812) that are relatively prime to 21471812.
21471812 has 12 divisors, whose sum is 37610496
The reverse of 21471812 is 21817412
Previous prime number is 3391
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred seventy-one thousand eight hundred twelve
Scientific notation
2.1471812 × 10^7
Engineering notation
2.1471812 × 10^6
Prime Factorization
2 × 2 × 3391 × 1583
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10735906
Product of the distinct prime numbers
The prime factorization of 21471812 is 2 × 2 × 3391 × 1583.
Since it has a total of 4 prime factors.
3 , 2 , 16 , 13 , 33 , 654 , 8365 , 4546 , 33804 , 79983 , 195926 , 442322 , 3672182 , 9610923 , 23146878 , 90114093 , 630072949 , 530358532 , 2173766577 , 6156582990
n×2
42943624
n×3
64415436
n×4
85887248
n×5
107359060
n÷2
10735906
n÷3
7157270.6666667
n÷3
5367953
n÷5
4294362.4
n2
461038710563344
n3
9.8993365179385E+21
n4
2.1255669263791E+29
n5
4.563977343663E+36
2 √n
4633.7686606045
3 √n
277.9433143571
4 √n
68.071790490661
5 √n
29.26669887911
1 , 2 , 4 , 1583 , 3166 , 3391 , 6332 , 6782 , 13564 , 5367953 , 10735906 , 21471812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21471811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21471812 can be divided by 12 positive divisors.
The sum of these divisors (counting 21471812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111010001001000100
3
Ternary
1111101212210022
4
Quaternary
1101322021010
5
Quinary
20444044222
6
Senary
2044114312
8
Octal
121721104
10
Decimal
21471812
12
Duodecimal
7235998
16
Hexadecimal
147a244
20
Vigesimal
6e3jac
36
Base36
cs7r8
md5
a66c1d74da3f87bd5bc9bd28ffb5ba55
sha1
c5773d79ac258a5f3764971ece4dcc7cfa619210
sha256
adf7ab4abe12294db717b75be7070ea9795e482fc203223940907f1e593811b5
sha512
5eb76beb2a31b91935c80d00cf548f6320fb2a6115cc5b66f2e33c31a495c0b218ff04c43575287a6414e6208b40971e3574f9cb8d1379746972784926d461df
ripemd-160
112e255dd5519cdfd41b7c9d5186d592ed273e6a
Diameter
42943624
Circumference
134911373.67692
Area
1.4483958261263E+15
Volume
4.1466243840225E+22
Surface area
5.7935833045052E+15
Circumference
134911373.67692
Perimeter
85887248
Area
461038710563344
Diagonal
30365727.739125
Surface area
2766232263380064
Volume
9.8993365179385E+21
Space diagonal
37190269.314567
Perimeter
64415436
Area
1.9963561773794E+14
Altitude
18595134.657284
Surface area
1.9963561773794E+14
Volume
1.166647996847E+21
Height
10121909.246375