21461812 is an even 8-digits composite number following 21461811
and preceding 21461813 . In scientific notation, it is written as 2.1461812 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors.
There are 10730904 positive integers (up to 21461812) that are relatively prime to 21461812.
21461812 has 6 divisors, whose sum is 37558178
The reverse of 21461812 is 21816412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million four hundred sixty-one thousand eight hundred twelve
Scientific notation
2.1461812 × 10^7
Engineering notation
2.1461812 × 10^6
Prime Factorization
2 × 2 × 5365453
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10730906
Product of the distinct prime numbers
The prime factorization of 21461812 is 2 × 2 × 5365453.
Since it has a total of 3 prime factors.
5 , 1 , 42 , 31 , 268 , 69 , 6039 , 583 , 66447 , 10919 , 77773 , 721348 , 1301046 , 9342143 , 59918061 , 56068101 , 724791104 , 321077653 , 1253380634 , 4774558173
n×2
42923624
n×3
64385436
n×4
85847248
n×5
107309060
n÷2
10730906
n÷3
7153937.3333333
n÷3
5365453
n÷5
4292362.4
n2
460609374323344
n3
9.8855117971652E+21
n4
2.1216099571454E+29
n5
4.5533594037583E+36
2 √n
4632.6894996319
3 √n
277.90015909939
4 √n
68.063863390436
5 √n
29.26397231346
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21461811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21461812 can be divided by 6 positive divisors.
The sum of these divisors (counting 21461812) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010001110111101100110100
3
Ternary
1111101101001221
4
Quaternary
1101313230310
5
Quinary
20443234222
6
Senary
2044000124
8
Octal
121675464
10
Decimal
21461812
12
Duodecimal
7230044
16
Hexadecimal
1477b34
20
Vigesimal
6e2eac
36
Base36
cs01g
md5
8302dbcf8695d74cebb64cd85704418a
sha1
02a4cf9614d254aba42247521b0956a1001f66dc
sha256
50cb71a6c8327aff8d9e84f14c72f92281ef1173cf51af619cf631293a869abd
sha512
138b0231da6811140d901d5ad758a081410a61f975d2c7d948f4c840427a2aca7b3a99946f50b9e964beb054b6ac004ca717608456f2ea505387968a4a031e23
ripemd-160
8c276f1532590369d10c429f3e3427b5dd61f34d
Diameter
42923624
Circumference
134848541.82385
Area
1.4470470265488E+15
Volume
4.1408334985266E+22
Surface area
5.7881881061952E+15
Circumference
134848541.82385
Perimeter
85847248
Area
460609374323344
Diagonal
30351585.603502
Surface area
2763656245940064
Volume
9.8855117971652E+21
Space diagonal
37172948.806491
Perimeter
64385436
Area
1.9944970969264E+14
Altitude
18586474.403246
Surface area
1.9944970969264E+14
Volume
1.1650187378792E+21
Height
10117195.201167