21061806 is an even 8-digits composite number following 21061805
and preceding 21061807 . In scientific notation, it is written as 2.1061806 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 6830784 positive integers (up to 21061806) that are relatively prime to 21061806.
21061806 has 16 divisors, whose sum is 43262544
The reverse of 21061806 is 60816012
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million sixty-one thousand eight hundred six
Scientific notation
2.1061806 × 10^7
Engineering notation
2.1061806 × 10^6
Prime Factorization
2 × 3 × 37 × 94873
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21061806
Product of the distinct prime numbers
The prime factorization of 21061806 is 2 × 3 × 37 × 94873.
Since it has a total of 4 prime factors.
4 , 4 , 91 , 84 , 220 , 87 , 2964 , 9512 , 31696 , 63789 , 358012 , 125077 , 5758911 , 7193458 , 70465323 , 14533530 , 810478138 , 367324931 , 3508721206 , 2909962517
n×2
42123612
n×3
63185418
n×4
84247224
n×5
105309030
n÷2
10530903
n÷3
7020602
n÷3
5265451.5
n÷5
4212361.2
n2
443599671981636
n3
9.3430102329409E+21
n4
1.9678066898222E+29
n5
4.1445562746536E+36
2 √n
4589.3143278708
3 √n
276.16281613699
4 √n
67.744478209451
5 √n
29.154065262585
1 , 2 , 3 , 6 , 37 , 74 , 111 , 222 , 94873 , 189746 , 284619 , 569238 , 3510301 , 7020602 , 10530903 , 21061806
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21061805
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21061806 can be divided by 16 positive divisors.
The sum of these divisors (counting 21061806) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010110000010101110
3
Ternary
1110122001100220
4
Quaternary
1100112002232
5
Quinary
20342434211
6
Senary
2031232210
8
Octal
120260256
10
Decimal
21061806
12
Duodecimal
7078666
16
Hexadecimal
14160ae
20
Vigesimal
6bcea6
36
Base36
cjfe6
md5
0860ba693236702f8f4bde9832403677
sha1
017d335cd66d4ccb5909884d936852bab0450b1e
sha256
85bbb7f048dbdf30e794332bf9c078c8ad274fade5d0f7f9a2656bab50c4abf8
sha512
1d32491cd61940aefb327546f92065f178844187cb217bc5cdd8a00124ffe8e2eebc3bd4a1d23bc8fd4f99bf850705e3cba2d5facee586074822b7566461abcb
ripemd-160
59b37f3ba9f0ab883b1dea7bd4c021836137a149
Diameter
42123612
Circumference
132335230.00187
Area
1.3936094706323E+15
Volume
3.9135909746962E+22
Surface area
5.5744378825294E+15
Circumference
132335230.00187
Perimeter
84247224
Area
443599671981636
Diagonal
29785891.693271
Surface area
2661598031889816
Volume
9.3430102329409E+21
Space diagonal
36480118.091159
Perimeter
63185418
Area
1.9208429252327E+14
Altitude
18240059.04558
Surface area
1.9208429252327E+14
Volume
1.1010843154013E+21
Height
9928630.5644237