21306568 is an even 8-digits composite number following 21306567
and preceding 21306569 . In scientific notation, it is written as 2.1306568 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 10478400 positive integers (up to 21306568) that are relatively prime to 21306568.
21306568 has 16 divisors, whose sum is 40605660
The reverse of 21306568 is 86560312
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million three hundred six thousand five hundred sixty-eight
Scientific notation
2.1306568 × 10^7
Engineering notation
2.1306568 × 10^6
Prime Factorization
2 × 2 × 2 × 61 × 43661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5326642
Product of the distinct prime numbers
The prime factorization of 21306568 is 2 × 2 × 2 × 61 × 43661.
Since it has a total of 5 prime factors.
2 , 8 , 99 , 1 , 720 , 786 , 1824 , 6637 , 94133 , 10871 , 144427 , 800108 , 3300188 , 9155455 , 8510010 , 81448560 , 560476564 , 549634369 , 3795680732 , 345174833
n×2
42613136
n×3
63919704
n×4
85226272
n×5
106532840
n÷2
10653284
n÷3
7102189.3333333
n÷3
5326642
n÷5
4261313.6
n2
453969839938624
n3
9.6725392646014E+21
n4
2.060886155739E+29
n5
4.3910411017512E+36
2 √n
4615.9038118228
3 √n
277.22847341418
4 √n
67.940443123539
5 √n
29.221513099527
1 , 2 , 4 , 8 , 61 , 122 , 244 , 488 , 43661 , 87322 , 174644 , 349288 , 2663321 , 5326642 , 10653284 , 21306568
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
-21306567
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 21306568 can be divided by 16 positive divisors.
The sum of these divisors (counting 21306568) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001010001110011001000
3
Ternary
1111002111010011
4
Quaternary
1101101303020
5
Quinary
20423302233
6
Senary
2040401304
8
Octal
121216310
10
Decimal
21306568
12
Duodecimal
7176234
16
Hexadecimal
1451cc8
20
Vigesimal
6d3688
36
Base36
coo94
md5
cac3ec37bc37791702b8fdbf8b4154c0
sha1
ed4eec9d0ad9cef61e821936a2da837584f17571
sha256
d67d1460154c7a1f3942efbf46582a9c7515032553702443f796a6e9bf7c1031
sha512
bb065dac86ae099e8312dbb6088050943e66a415e9452e20263b26f076c99bc6be60c4a0c82fb93839e3690df566e017cd772500e6dcef38ead4291fd74d9368
ripemd-160
b4356e383104a273d94af39a7352d9f59519144b
Diameter
42613136
Circumference
133873115.00402
Area
1.4261883141025E+15
Volume
4.0516237726974E+22
Surface area
5.7047532564101E+15
Circumference
133873115.00402
Perimeter
85226272
Area
453969839938624
Diagonal
30132037.433225
Surface area
2723819039631744
Volume
9.6725392646014E+21
Space diagonal
36904058.310921
Perimeter
63919704
Area
1.965747069694E+14
Altitude
18452029.155461
Surface area
1.965747069694E+14
Volume
1.1399196842155E+21
Height
10044012.477742