21308216 is an even 8-digits composite number following 21308215
and preceding 21308217 . In scientific notation, it is written as 2.1308216 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 8 positive divisors.
There are 10654104 positive integers (up to 21308216) that are relatively prime to 21308216.
21308216 has 8 divisors, whose sum is 39952920
The reverse of 21308216 is 61280312
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million three hundred eight thousand two hundred sixteen
Scientific notation
2.1308216 × 10^7
Engineering notation
2.1308216 × 10^6
Prime Factorization
2 × 2 × 2 × 2663527
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5327054
Product of the distinct prime numbers
The prime factorization of 21308216 is 2 × 2 × 2 × 2663527.
Since it has a total of 4 prime factors.
3 , 1 , 10 , 78 , 557 , 40 , 1131 , 3756 , 65834 , 48296 , 850448 , 607749 , 8485136 , 1613981 , 99894864 , 11966049 , 796791177 , 653829411 , 7172944492 , 7401718150
n×2
42616432
n×3
63924648
n×4
85232864
n×5
106541080
n÷2
10654108
n÷3
7102738.6666667
n÷3
5327054
n÷5
4261643.2
n2
454040069102656
n3
9.6747838650943E+21
n4
2.0615238435074E+29
n5
4.3927395346607E+36
2 √n
4616.082321623
3 √n
277.23562083065
4 √n
67.941756833504
5 √n
29.221965125059
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21308215
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21308216 can be divided by 8 positive divisors.
The sum of these divisors (counting 21308216) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001010010001100111000
3
Ternary
1111002120101012
4
Quaternary
1101102030320
5
Quinary
20423330331
6
Senary
2040413052
8
Octal
121221470
10
Decimal
21308216
12
Duodecimal
7177188
16
Hexadecimal
1452338
20
Vigesimal
6d3aag
36
Base36
copiw
md5
0e65b62db6815d8b02d0a7e346c93372
sha1
b52faa10e45faf993d10619846bcd03e80618dec
sha256
b4f28c9bf3e1d82d2bc6ea94dd569e162e977f3ed3dd3dc9a2081a86ff183fa6
sha512
ea7b14952dc050c22a3ffb2a69579c5d46f3caf0bc17c7b9ead33e6387ab305b801a6847f46b7274c9145d73abd8426ec8359911149b2eb1ab29c31e90cc83f3
ripemd-160
42c7683198256fca908c19abc22b6702ac289d07
Diameter
42616432
Circumference
133883469.69341
Area
1.4264089455283E+15
Volume
4.0525639887533E+22
Surface area
5.7056357821132E+15
Circumference
133883469.69341
Perimeter
85232864
Area
454040069102656
Diagonal
30134368.057175
Surface area
2724240414615936
Volume
9.6747838650943E+21
Space diagonal
36906912.730652
Perimeter
63924648
Area
1.9660511708947E+14
Altitude
18453456.365326
Surface area
1.9660511708947E+14
Volume
1.1401842129204E+21
Height
10044789.352392