21271806 is an even 8-digits composite number following 21271805
and preceding 21271807 . In scientific notation, it is written as 2.1271806 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 7090596 positive integers (up to 21271806) that are relatively prime to 21271806.
21271806 has 12 divisors, whose sum is 46088952
The reverse of 21271806 is 60817212
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million two hundred seventy-one thousand eight hundred six
Scientific notation
2.1271806 × 10^7
Engineering notation
2.1271806 × 10^6
Prime Factorization
2 × 3 × 3 × 1181767
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7090602
Product of the distinct prime numbers
The prime factorization of 21271806 is 2 × 3 × 3 × 1181767.
Since it has a total of 4 prime factors.
1 , 2 , 97 , 89 , 822 , 684 , 4448 , 4264 , 96398 , 27952 , 693367 , 789628 , 9880295 , 5796952 , 51957274 , 39454095 , 678162450 , 275545819 , 6718244061 , 3688294935
n×2
42543612
n×3
63815418
n×4
85087224
n×5
106359030
n÷2
10635903
n÷3
7090602
n÷3
5317951.5
n÷5
4254361.2
n2
452489730501636
n3
9.6252737642231E+21
n4
2.0474695620944E+29
n5
4.3553375315778E+36
2 √n
4612.1368149698
3 √n
277.07762381185
4 √n
67.912714678253
5 √n
29.211971799357
1 , 2 , 3 , 6 , 9 , 18 , 1181767 , 2363534 , 3545301 , 7090602 , 10635903 , 21271806
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
-21271805
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 21271806 can be divided by 12 positive divisors.
The sum of these divisors (counting 21271806) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001001001010011111110
3
Ternary
1111000201102200
4
Quaternary
1101021103332
5
Quinary
20421144211
6
Senary
2035532330
8
Octal
121112376
10
Decimal
21271806
12
Duodecimal
715a0a6
16
Hexadecimal
14494fe
20
Vigesimal
6cija6
36
Base36
cnxfi
md5
339f902a9bf20d4cda47054a4051642e
sha1
d8145df7345ea5e5c7d5acb472e53d5bdc4c9f58
sha256
6a2bce99d176a504170151572afe53c5ddd0c6ba7806e66bd2e7215c56556bc8
sha512
95817ab7d700f8c125281f6f2d7c3672b07270e237166978f8e2094d21b68bb2b9d186154ee24a53e47dd8ce604583bee4bb417c63662a7adc7928c2697a3962
ripemd-160
b7d47fc06f10b55e112dc0833e50d94d63ef1214
Diameter
42543612
Circumference
133654698.91637
Area
1.4215384131688E+15
Volume
4.0318252461965E+22
Surface area
5.6861536526751E+15
Circumference
133654698.91637
Perimeter
85087224
Area
452489730501636
Diagonal
30082876.541369
Surface area
2714938383009816
Volume
9.6252737642231E+21
Space diagonal
36843848.760748
Perimeter
63815418
Area
1.95933800783E+14
Altitude
18421924.380374
Surface area
1.95933800783E+14
Volume
1.1343493915765E+21
Height
10027625.51379