20663721 is an odd 8-digits composite number following 20663720
and preceding 20663722 . In scientific notation, it is written as 2.0663721 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors.
There are 11964672 positive integers (up to 20663721) that are relatively prime to 20663721.
20663721 has 32 divisors, whose sum is 34917120
The reverse of 20663721 is 12736602
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million six hundred sixty-three thousand seven hundred twenty-one
Scientific notation
2.0663721 × 10^7
Engineering notation
2.0663721 × 10^6
Prime Factorization
3 × 17 × 3 × 13 × 3 × 3463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2295969
Product of the distinct prime numbers
The prime factorization of 20663721 is 3 × 17 × 3 × 13 × 3 × 3463.
Since it has a total of 6 prime factors.
8 , 9 , 58 , 77 , 22 , 363 , 961 , 2598 , 43910 , 76110 , 342699 , 316571 , 7085262 , 9136923 , 90812111 , 83375197 , 853383252 , 371755890 , 4429574016 , 3924116632
n×2
41327442
n×3
61991163
n×4
82654884
n×5
103318605
n÷2
10331860.5
n÷3
6887907
n÷3
5165930.25
n÷5
4132744.2
n2
426989365565841
n3
8.8231891200195E+21
n4
1.8231991830632E+29
n5
3.7674079246246E+36
2 √n
4545.7365739779
3 √n
274.411838271
4 √n
67.422077793389
5 √n
29.043015450266
1 , 3 , 9 , 13 , 17 , 27 , 39 , 51 , 117 , 153 , 221 , 351 , 459 , 663 , 1989 , 3463 , 5967 , 10389 , 31167 , 45019 , 58871 , 93501 , 135057 , 176613 , 405171 , 529839 , 765323 , 1215513 , 1589517 , 2295969 , 6887907 , 20663721
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20663720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20663721 can be divided by 32 positive divisors.
The sum of these divisors (counting 20663721) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110110100110110101001
3
Ternary
1102212211022000
4
Quaternary
1032310312221
5
Quinary
20242214341
6
Senary
2014521213
8
Octal
116646651
10
Decimal
20663721
12
Duodecimal
6b06209
16
Hexadecimal
13b4da9
20
Vigesimal
692j61
36
Base36
caw89
md5
7472b1b207d99d6ea99ad2599342ceaa
sha1
e5b7852a363e9ab6bab2b8b038700aca510b1dfe
sha256
e190f33ad4e0470c43e9a6c62f58cd2167ce2c122c77d1a551f9e16402a10bf5
sha512
d18c531f7cb334d294388ad972d811017941c3591ed0a0714e8e78984ba77eaa15c67c468ab1995693bf94a2b85720f78fd059f8fa0f9f8a21b1fa684487c272
ripemd-160
e0f9258fa492db1070eefbc921c0ec2d716c198a
Diameter
41327442
Circumference
129833988.17886
Area
1.3414266540226E+15
Volume
3.6958488160916E+22
Surface area
5.3657066160905E+15
Circumference
129833988.17886
Perimeter
82654884
Area
426989365565841
Diagonal
29222914.487294
Surface area
2561936193395046
Volume
8.8231891200195E+21
Space diagonal
35790614.645428
Perimeter
61991163
Area
1.8489181886291E+14
Altitude
17895307.322714
Surface area
1.8489181886291E+14
Volume
1.0398228097429E+21
Height
9740971.4957646