21105746 is an even 8-digits composite number following 21105745
and preceding 21105747 . In scientific notation, it is written as 2.1105746 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 10552872 positive integers (up to 21105746) that are relatively prime to 21105746.
21105746 has 4 divisors, whose sum is 31658622
The reverse of 21105746 is 64750112
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred five thousand seven hundred forty-six
Scientific notation
2.1105746 × 10^7
Engineering notation
2.1105746 × 10^6
Prime Factorization
2 × 10552873
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21105746
Product of the distinct prime numbers
The prime factorization of 21105746 is 2 × 10552873.
Since it has a total of 2 prime factors.
3 , 10 , 64 , 13 , 221 , 114 , 1932 , 2930 , 52548 , 43135 , 144854 , 261291 , 5940009 , 7224874 , 42543583 , 91954897 , 501980605 , 58491423 , 3136956247 , 1257592251
n×2
42211492
n×3
63317238
n×4
84422984
n×5
105528730
n÷2
10552873
n÷3
7035248.6666667
n÷3
5276436.5
n÷5
4221149.2
n2
445452514216516
n3
9.4016076201152E+21
n4
1.9842794242182E+29
n5
4.1879697520575E+36
2 √n
4594.0990411614
3 √n
276.35473012173
4 √n
67.779783425158
5 √n
29.166219604423
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21105745
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21105746 can be divided by 4 positive divisors.
The sum of these divisors (counting 21105746) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100000110001010010
3
Ternary
1110201021122022
4
Quaternary
1100200301102
5
Quinary
20400340441
6
Senary
2032211442
8
Octal
120406122
10
Decimal
21105746
12
Duodecimal
7099b82
16
Hexadecimal
1420c52
20
Vigesimal
6bi476
36
Base36
ckdaq
md5
523854b08b6a56d3f4434f19dc958bc7
sha1
e17ca7974c7924539ad0220854dd14a117bc69a5
sha256
675a90cfccb5b230a5ea73837137e331d1ef3d9fc126fffb5c83879fb3df209e
sha512
1ac30ba63112ff313054e3bdadc68c3235c1b11924aeda334851f8c195986bb41720f0db907f7546010adc7e4b1e988feee63531e223e7b151438d2b634afb06
ripemd-160
afb35cba42be5ec9894a4f2acd7c28f94f988112
Diameter
42211492
Circumference
132611313.16426
Area
1.3994303461857E+15
Volume
3.9381361908384E+22
Surface area
5.5977213847428E+15
Circumference
132611313.16426
Perimeter
84422984
Area
445452514216516
Diagonal
29848032.237202
Surface area
2672715085299096
Volume
9.4016076201152E+21
Space diagonal
36556224.403644
Perimeter
63317238
Area
1.9288659674558E+14
Altitude
18278112.201822
Surface area
1.9288659674558E+14
Volume
1.1079900837064E+21
Height
9949344.0790672