21239265 is an odd 8-digits composite number following 21239264
and preceding 21239266 . In scientific notation, it is written as 2.1239265 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 11294976 positive integers (up to 21239265) that are relatively prime to 21239265.
21239265 has 16 divisors, whose sum is 34080768
The reverse of 21239265 is 56293212
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million two hundred thirty-nine thousand two hundred sixty-five
Scientific notation
2.1239265 × 10^7
Engineering notation
2.1239265 × 10^6
Prime Factorization
5 × 3 × 383 × 3697
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21239265
Product of the distinct prime numbers
The prime factorization of 21239265 is 5 × 3 × 383 × 3697.
Since it has a total of 4 prime factors.
2 , 9 , 28 , 84 , 862 , 668 , 8383 , 3678 , 63643 , 33650 , 626859 , 192642 , 5303373 , 840461 , 37033078 , 14654384 , 571662196 , 511091252 , 3436855079 , 7651568148
n×2
42478530
n×3
63717795
n×4
84957060
n×5
106196325
n÷2
10619632.5
n÷3
7079755
n÷3
5309816.25
n÷5
4247853
n2
451106377740225
n3
9.5811679000147E+21
n4
2.0349696403791E+29
n5
4.3221259458966E+36
2 √n
4608.6077073233
3 √n
276.93626323131
4 √n
67.886727033518
5 √n
29.203028797706
1 , 3 , 5 , 15 , 383 , 1149 , 1915 , 3697 , 5745 , 11091 , 18485 , 55455 , 1415951 , 4247853 , 7079755 , 21239265
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
-21239264
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 21239265 can be divided by 16 positive divisors.
The sum of these divisors (counting 21239265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000001010111100001
3
Ternary
1110222001210110
4
Quaternary
1101001113201
5
Quinary
20414124030
6
Senary
2035121533
8
Octal
121012741
10
Decimal
21239265
12
Duodecimal
71432a9
16
Hexadecimal
14415e1
20
Vigesimal
6cei35
36
Base36
cn8bl
md5
7bc3cea6fd399ed7f0cbed3c8ce02554
sha1
9fe222243914a441ed7b17b722a3a33e48d85d88
sha256
319e3289e6dc4ecc2c5e8693005d798df5a3f4ca369edd95f552f1f777c024a1
sha512
e4cca6b58d4fd0139ff98f2446f7e7a10c63fb2af4c6097718aa3465e3a1577eb36b2300a503cf010ce0da5513da4086d9a848a031f5e6b747a14e322f8486ff
ripemd-160
50414c3a42826d38e65f6fa8c89080dbb6fa5f93
Diameter
42478530
Circumference
133450237.78329
Area
1.4171924822962E+15
Volume
4.0133502249996E+22
Surface area
5.6687699291848E+15
Circumference
133450237.78329
Perimeter
84957060
Area
451106377740225
Diagonal
30036856.617836
Surface area
2706638266441350
Volume
9.5811679000147E+21
Space diagonal
36787486.095419
Perimeter
63717795
Area
1.9533479146611E+14
Altitude
18393743.04771
Surface area
1.9533479146611E+14
Volume
1.1291514656312E+21
Height
10012285.539279