21461806 is an even 8-digits composite number following 21461805
and preceding 21461807 . In scientific notation, it is written as 2.1461806 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 10264320 positive integers (up to 21461806) that are relatively prime to 21461806.
21461806 has 8 divisors, whose sum is 33592464
The reverse of 21461806 is 60816412
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred sixty-one thousand eight hundred six
Scientific notation
2.1461806 × 10^7
Engineering notation
2.1461806 × 10^6
Prime Factorization
2 × 23 × 466561
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21461806
Product of the distinct prime numbers
The prime factorization of 21461806 is 2 × 23 × 466561.
Since it has a total of 3 prime factors.
10 , 7 , 65 , 61 , 491 , 818 , 2531 , 8299 , 69175 , 91097 , 920398 , 444971 , 4069244 , 1231730 , 39419860 , 29511561 , 627434967 , 741708962 , 7000122538 , 6672978816
n×2
42923612
n×3
64385418
n×4
85847224
n×5
107309030
n÷2
10730903
n÷3
7153935.3333333
n÷3
5365451.5
n÷5
4292361.2
n2
460609116781636
n3
9.8855035061988E+21
n4
2.1216075846236E+29
n5
4.553353038932E+36
2 √n
4632.6888520599
3 √n
277.90013320221
4 √n
68.063858633344
5 √n
29.263970677216
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21461805
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21461806 can be divided by 8 positive divisors.
The sum of these divisors (counting 21461806) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001110111101100101110
3
Ternary
1111101101001201
4
Quaternary
1101313230232
5
Quinary
20443234211
6
Senary
2044000114
8
Octal
121675456
10
Decimal
21461806
12
Duodecimal
723003a
16
Hexadecimal
1477b2e
20
Vigesimal
6e2ea6
36
Base36
cs01a
md5
765d45b1466dfff72024a385b5fdd9a5
sha1
b9dea4256a14d5f0308f26db10531c2bc19ae931
sha256
bf9c260c98810ca8070b86d057e58b20f388fdae643e5c28fd8e98c2960fcdd0
sha512
5b095b6b248b1ea6604a1177cbef93b986a3e8f6d5d3145494d0edf58009fb57d27b770bc65d659600f89c2af29081fa45d5749ebef00b5da0e6450443a6872a
ripemd-160
72f2b8136b12f8f8a4a0575ab282f3032c3ad829
Diameter
42923612
Circumference
134848504.12474
Area
1.4470462174577E+15
Volume
4.1408300256147E+22
Surface area
5.7881848698307E+15
Circumference
134848504.12474
Perimeter
85847224
Area
460609116781636
Diagonal
30351577.11822
Surface area
2763654700689816
Volume
9.8855035061988E+21
Space diagonal
37172938.414187
Perimeter
64385418
Area
1.994495981738E+14
Altitude
18586469.207093
Surface area
1.994495981738E+14
Volume
1.1650177607794E+21
Height
10117192.37274