21242783 is an odd 8-digits prime number following 21242782
and preceding 21242784 . In scientific notation, it is written as 2.1242783 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 21242782 positive integers (up to 21242783) that are relatively prime to 21242783.
21242783 has 2 divisors, whose sum is 21242784
The reverse of 21242783 is 38724212
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million two hundred forty-two thousand seven hundred eighty-three
Scientific notation
2.1242783 × 10^7
Engineering notation
2.1242783 × 10^6
Prime Factorization
21242783
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21242783
Product of the distinct prime numbers
The prime factorization of 21242783 is 21242783.
Since it has a total of 1 prime factors.
9 , 5 , 97 , 49 , 5 , 789 , 6705 , 1125 , 22615 , 7827 , 732537 , 204337 , 4651519 , 4265706 , 61776621 , 95401671 , 280859406 , 274705926 , 6116235413 , 5821529675
n×2
42485566
n×3
63728349
n×4
84971132
n×5
106213915
n÷2
10621391.5
n÷3
7080927.6666667
n÷3
5310695.75
n÷5
4248556.6
n2
451255829585089
n3
9.585929665361E+21
n4
2.0363182373453E+29
n5
4.3257066434868E+36
2 √n
4608.9893686143
3 √n
276.95155264909
4 √n
67.889537990874
5 √n
29.203996151795
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21242784
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10621392
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4608.989477098
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999058504
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21242783 can be divided by 2 positive divisors.
The sum of these divisors (counting 21242783) is 21242784, the average is 10621392.
Base
System
Value
2
Binary
1010001000010001110011111
3
Ternary
1110222020121202
4
Quaternary
1101002032133
5
Quinary
20414232113
6
Senary
2035150115
8
Octal
121021637
10
Decimal
21242783
12
Duodecimal
714533b
16
Hexadecimal
144239f
20
Vigesimal
6cf6j3
36
Base36
cnb1b
md5
adab7f090845d71fdf0e5dcf9e4e26e8
sha1
48f873fed0a4ccbf238aacf204cde356d2747555
sha256
fe919d339349b72244350bd1c30a93cbe93250e5479fef32ec427317196d94ef
sha512
89734762bee1804723f1cb36fb5de291fc465e99336694c73aec4cf0a3cae2615bf6eb1849ee4722da66785cd20e4405ba6e03d736380ab6f8e4a018b27097c8
ripemd-160
3be4be3d95524f94fefbe675186fca8732548806
Diameter
42485566
Circumference
133472342.0292
Area
1.4176619991141E+15
Volume
4.0153448286036E+22
Surface area
5.6706479964563E+15
Circumference
133472342.0292
Perimeter
84971132
Area
451255829585089
Diagonal
30041831.821149
Surface area
2707534977510534
Volume
9.585929665361E+21
Space diagonal
36793579.45016
Perimeter
63728349
Area
1.9539950601325E+14
Altitude
18396789.72508
Surface area
1.9539950601325E+14
Volume
1.129712645059E+21
Height
10013943.940383