21061854 is an even 8-digits composite number following 21061853
and preceding 21061855 . In scientific notation, it is written as 2.1061854 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6382320 positive integers (up to 21061854) that are relatively prime to 21061854.
21061854 has 16 divisors, whose sum is 38294640
The reverse of 21061854 is 45816012
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million sixty-one thousand eight hundred fifty-four
Scientific notation
2.1061854 × 10^7
Engineering notation
2.1061854 × 10^6
Prime Factorization
2 × 9 × 11 × 106373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21061854
Product of the distinct prime numbers
The prime factorization of 21061854 is 2 × 9 × 11 × 106373.
Since it has a total of 4 prime factors.
9 , 2 , 65 , 45 , 213 , 817 , 421 , 1604 , 82769 , 13161 , 933907 , 229182 , 2937876 , 9896978 , 77034055 , 41862619 , 254736482 , 14602941 , 6598699486 , 197577612
n×2
42123708
n×3
63185562
n×4
84247416
n×5
105309270
n÷2
10530927
n÷3
7020618
n÷3
5265463.5
n÷5
4212370.8
n2
443601693917316
n3
9.3430741114392E+21
n4
1.9678246284631E+29
n5
4.1446035022294E+36
2 √n
4589.3195574072
3 √n
276.16302592914
4 √n
67.74451680695
5 √n
29.154078551036
1 , 2 , 9 , 11 , 18 , 22 , 99 , 198 , 106373 , 212746 , 957357 , 1170103 , 1914714 , 2340206 , 10530927 , 21061854
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
-21061853
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 21061854 can be divided by 16 positive divisors.
The sum of these divisors (counting 21061854) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010110000011011110
3
Ternary
1110122001102200
4
Quaternary
1100112003132
5
Quinary
20342434404
6
Senary
2031232330
8
Octal
120260336
10
Decimal
21061854
12
Duodecimal
70786a6
16
Hexadecimal
14160de
20
Vigesimal
6bcece
36
Base36
cjffi
md5
98bc6e404a678a330a7912dc052f76fc
sha1
15e5008e66dbc39484fd85b8c381086cce090f09
sha256
215542c2e50970855e6df9aa9d79b2989e47668cc46d605d8e35ab0c1a4abbf6
sha512
dcac712192d8e935219f1cf884feef3d8492d3040b55a355b884cfdf0d4df402a2f3e441bb77e6d04c0f7a529413556bbc5f1fe2578c20fce95faf556316143b
ripemd-160
bdd60ba125e87f62246fc0bdc07e4ff7dbc9ce2a
Diameter
42123708
Circumference
132335531.59476
Area
1.3936158227306E+15
Volume
3.913617732059E+22
Surface area
5.5744632909225E+15
Circumference
132335531.59476
Perimeter
84247416
Area
443601693917316
Diagonal
29785959.575522
Surface area
2661610163503896
Volume
9.3430741114392E+21
Space diagonal
36480201.229598
Perimeter
63185562
Area
1.920851680471E+14
Altitude
18240100.614799
Surface area
1.920851680471E+14
Volume
1.1010918435545E+21
Height
9928653.1918407