21009712 is an even 8-digits composite number following 21009711
and preceding 21009713 . In scientific notation, it is written as 2.1009712 × 10^7.
The sum of its digits is 22. It has a total of 6 prime factors and 20 positive divisors.
There are 10248320 positive integers (up to 21009712) that are relatively prime to 21009712.
21009712 has 20 divisors, whose sum is 41700456
The reverse of 21009712 is 21790012
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million nine thousand seven hundred twelve
Scientific notation
2.1009712 × 10^7
Engineering notation
2.1009712 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 41 × 32027
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2626214
Product of the distinct prime numbers
The prime factorization of 21009712 is 2 × 2 × 2 × 2 × 41 × 32027.
Since it has a total of 6 prime factors.
9 , 2 , 17 , 24 , 380 , 91 , 6734 , 6035 , 88125 , 38246 , 51464 , 567883 , 9901838 , 4850093 , 99410133 , 80387473 , 326515620 , 53980608 , 5671486624 , 7437956822
n×2
42019424
n×3
63029136
n×4
84038848
n×5
105048560
n÷2
10504856
n÷3
7003237.3333333
n÷3
5252428
n÷5
4201942.4
n2
441407998322944
n3
9.2738549192615E+21
n4
1.9484102098347E+29
n5
4.0935537366486E+36
2 √n
4583.6352385416
3 √n
275.934942308
4 √n
67.702549719649
5 √n
29.139629115048
1 , 2 , 4 , 8 , 16 , 41 , 82 , 164 , 328 , 656 , 32027 , 64054 , 128108 , 256216 , 512432 , 1313107 , 2626214 , 5252428 , 10504856 , 21009712
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21009711
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21009712 can be divided by 20 positive divisors.
The sum of these divisors (counting 21009712) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000001001010100110000
3
Ternary
1110112101220111
4
Quaternary
1100021110300
5
Quinary
20334302322
6
Senary
2030151104
8
Octal
120112460
10
Decimal
21009712
12
Duodecimal
7052494
16
Hexadecimal
1409530
20
Vigesimal
6b645c
36
Base36
cib74
md5
8d05af0ad91992be7306f8bffe621584
sha1
6d31feb3b6e39dd330159e66afacd5a0513d05a7
sha256
36f369de965dac2ac65490064e35c50c920cbd2875c1215d5a89b73d1bdab715
sha512
48976372791db8966264e84d9ed10debfe90a7778d1b36104c81031656bf83bc5c7275d962a0852e68fcabe507d96798c3ae35f55925b559596214a68e1db84a
ripemd-160
5c78ca11b2165a90d399ac38ec06572fa2684677
Diameter
42019424
Circumference
132007913.74647
Area
1.3867241247671E+15
Volume
3.8846232646413E+22
Surface area
5.5468964990685E+15
Circumference
132007913.74647
Perimeter
84038848
Area
441407998322944
Diagonal
29712219.651953
Surface area
2648447989937664
Volume
9.2738549192615E+21
Space diagonal
36389888.63639
Perimeter
63029136
Area
1.9113526999065E+14
Altitude
18194944.318195
Surface area
1.9113526999065E+14
Volume
1.092934283525E+21
Height
9904073.2173176