21105710 is an even 8-digits composite number following 21105709
and preceding 21105711 . In scientific notation, it is written as 2.1105710 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 16 positive divisors.
There are 8424000 positive integers (up to 21105710) that are relatively prime to 21105710.
21105710 has 16 divisors, whose sum is 38072592
The reverse of 21105710 is 01750112
Previous prime number is 521
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million one hundred five thousand seven hundred ten
Scientific notation
2.1105710 × 10^7
Engineering notation
2.1105710 × 10^6
Prime Factorization
2 × 5 × 521 × 4051
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21105710
Product of the distinct prime numbers
The prime factorization of 21105710 is 2 × 5 × 521 × 4051.
Since it has a total of 4 prime factors.
8 , 6 , 11 , 70 , 920 , 208 , 37 , 4983 , 58887 , 19114 , 265840 , 289211 , 8862284 , 4523819 , 51422269 , 25364046 , 615179621 , 263564096 , 9258908158 , 1903789661
n×2
42211420
n×3
63317130
n×4
84422840
n×5
105528550
n÷2
10552855
n÷3
7035236.6666667
n÷3
5276427.5
n÷5
4221142
n2
445450994604100
n3
9.4015595113257E+21
n4
1.9842658859378E+29
n5
4.1879340351497E+36
2 √n
4594.0951230901
3 √n
276.35457299586
4 √n
67.779754522203
5 √n
29.166209654672
1 , 2 , 5 , 10 , 521 , 1042 , 2605 , 4051 , 5210 , 8102 , 20255 , 40510 , 2110571 , 4221142 , 10552855 , 21105710
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
-21105709
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 21105710 can be divided by 16 positive divisors.
The sum of these divisors (counting 21105710) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100000110000101110
3
Ternary
1110201021120222
4
Quaternary
1100200300232
5
Quinary
20400340320
6
Senary
2032211342
8
Octal
120406056
10
Decimal
21105710
12
Duodecimal
7099b52
16
Hexadecimal
1420c2e
20
Vigesimal
6bi45a
36
Base36
ckd9q
md5
40632cd06c69128da810d026daac0887
sha1
2ad680ea28d806dac54f53cd201df5654f774ac1
sha256
31810e03184d141514fc6f581c59a7e9c42080ee8318e299fd7c7359b0221baf
sha512
8e307129086011ddc6958986571c90aded3501e6dd565c73b4d972c1934601901bb81352fd764d9dd09f16ed2a3642df053ed9184af3131efd7846db36b67a45
ripemd-160
6dcd20c368ee4c633047dc9d7fca69433f79c2c4
Diameter
42211420
Circumference
132611086.96959
Area
1.3994255721825E+15
Volume
3.9381160390757E+22
Surface area
5.59770228873E+15
Circumference
132611086.96959
Perimeter
84422840
Area
445450994604100
Diagonal
29847981.325513
Surface area
2672705967624600
Volume
9.4015595113257E+21
Space diagonal
36556162.049815
Perimeter
63317130
Area
1.928859387341E+14
Altitude
18278081.024907
Surface area
1.928859387341E+14
Volume
1.1079844140312E+21
Height
9949327.1085045