21308540 is an even 8-digits composite number following 21308539
and preceding 21308541 . In scientific notation, it is written as 2.1308540 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 7748480 positive integers (up to 21308540) that are relatively prime to 21308540.
21308540 has 24 divisors, whose sum is 48816432
The reverse of 21308540 is 04580312
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million three hundred eight thousand five hundred forty
Scientific notation
2.1308540 × 10^7
Engineering notation
2.1308540 × 10^6
Prime Factorization
2 × 2 × 5 × 11 × 96857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10654270
Product of the distinct prime numbers
The prime factorization of 21308540 is 2 × 2 × 5 × 11 × 96857.
Since it has a total of 5 prime factors.
8 , 1 , 62 , 31 , 211 , 692 , 4486 , 8809 , 40397 , 42238 , 888680 , 522685 , 9741628 , 183217 , 32927824 , 54430606 , 223816593 , 766913256 , 1890684666 , 8453322866
n×2
42617080
n×3
63925620
n×4
85234160
n×5
106542700
n÷2
10654270
n÷3
7102846.6666667
n÷3
5327135
n÷5
4261708
n2
454053876931600
n3
9.6752251987521E+21
n4
2.0616492315662E+29
n5
4.3930735116797E+36
2 √n
4616.1174161843
3 √n
277.23702598326
4 √n
67.94201510247
5 √n
29.222053990867
1 , 2 , 4 , 5 , 10 , 11 , 20 , 22 , 44 , 55 , 110 , 220 , 96857 , 193714 , 387428 , 484285 , 968570 , 1065427 , 1937140 , 2130854 , 4261708 , 5327135 , 10654270 , 21308540
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21308539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21308540 can be divided by 24 positive divisors.
The sum of these divisors (counting 21308540) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001010010010001111100
3
Ternary
1111002120211012
4
Quaternary
1101102101330
5
Quinary
20423333130
6
Senary
2040414352
8
Octal
121222174
10
Decimal
21308540
12
Duodecimal
71773b8
16
Hexadecimal
145247c
20
Vigesimal
6d3b70
36
Base36
coprw
md5
3f279e3377434aecb35fb10c907be3de
sha1
56928686c563fc7f778ec646a3d62d9a79347abc
sha256
413d323dec71b099fa63fe32b909c4d88efc8d690fcb65f2b81f882806ee27d3
sha512
8df8018883a46bacbf9f9ff1d506975c05fe606e051b9c286c4ad642ba1655f7994b01822860ab6dbb9b8111378e1e48e13025b3f3ad7e39d90bd7f437a2ee6e
ripemd-160
fda8f0217b1aaf7a826b78424c728d98ae69794f
Diameter
42617080
Circumference
133885505.44545
Area
1.4264523241023E+15
Volume
4.0527488541635E+22
Surface area
5.7058092964091E+15
Circumference
133885505.44545
Perimeter
85234160
Area
454053876931600
Diagonal
30134826.26237
Surface area
2724323261589600
Volume
9.6752251987521E+21
Space diagonal
36907473.915114
Perimeter
63925620
Area
1.9661109605479E+14
Altitude
18453736.957557
Surface area
1.9661109605479E+14
Volume
1.1402362245908E+21
Height
10044942.087457