21241640 is an even 8-digits composite number following 21241639
and preceding 21241641 . In scientific notation, it is written as 2.1241640 × 10^7.
The sum of its digits is 20. It has a total of 6 prime factors and 32 positive divisors.
There are 7204608 positive integers (up to 21241640) that are relatively prime to 21241640.
21241640 has 32 divisors, whose sum is 41407200
The reverse of 21241640 is 04614212
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million two hundred forty-one thousand six hundred forty
Scientific notation
2.1241640 × 10^7
Engineering notation
2.1241640 × 10^6
Prime Factorization
2 × 2 × 2 × 35 × 107 × 709
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5310410
Product of the distinct prime numbers
The prime factorization of 21241640 is 2 × 2 × 2 × 35 × 107 × 709.
Since it has a total of 6 prime factors.
2 , 8 , 27 , 55 , 262 , 638 , 1329 , 2616 , 49290 , 98650 , 615664 , 494591 , 7306220 , 1485001 , 25664650 , 61088158 , 330067988 , 490421701 , 7150842677 , 49567590
n×2
42483280
n×3
63724920
n×4
84966560
n×5
106208200
n÷2
10620820
n÷3
7080546.6666667
n÷3
5310410
n÷5
4248328
n2
451207269889600
n3
9.5843823923777E+21
n4
2.0358800040123E+29
n5
4.3245430128427E+36
2 √n
4608.8653701318
3 √n
276.94658529457
4 √n
67.888624747684
5 √n
29.203681872013
1 , 2 , 4 , 8 , 35 , 70 , 107 , 140 , 214 , 280 , 428 , 709 , 856 , 1418 , 2836 , 3745 , 5672 , 7490 , 14980 , 24815 , 29960 , 49630 , 75863 , 99260 , 151726 , 198520 , 303452 , 606904 , 2655205 , 5310410 , 10620820 , 21241640
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21241639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21241640 can be divided by 32 positive divisors.
The sum of these divisors (counting 21241640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001000001111100101000
3
Ternary
1110222012001102
4
Quaternary
1101001330220
5
Quinary
20414213030
6
Senary
2035140532
8
Octal
121017450
10
Decimal
21241640
12
Duodecimal
7144748
16
Hexadecimal
1441f28
20
Vigesimal
6cf420
36
Base36
cna5k
md5
22c831130cd4063c372f59229fd64ce5
sha1
7e0a5055d3952139c87f5b2ec944e51a7ee014fa
sha256
e1b04a1a649b092797ad4c226738ef0bd361c4f8cc0569d178954ff525c1f2bc
sha512
3d716f0239c74297b88703d396dbb7280647486a3c16ae70548fcc3f3a6c9f8baccc03bdd3495be41708137ca866e0451713a95539927623f3276c3d3c3a05ff
ripemd-160
04b0bb5bafd07b8a12cef7b4985c25d4ee2cbdc7
Diameter
42483280
Circumference
133465160.3484
Area
1.4175094443315E+15
Volume
4.0146967084119E+22
Surface area
5.6700377773259E+15
Circumference
133465160.3484
Perimeter
84966560
Area
451207269889600
Diagonal
30040215.375047
Surface area
2707243619337600
Volume
9.5843823923777E+21
Space diagonal
36791599.716087
Perimeter
63724920
Area
1.9537847904831E+14
Altitude
18395799.858044
Surface area
1.9537847904831E+14
Volume
1.1295302971892E+21
Height
10013405.125016