20658621 is an odd 8-digits composite number following 20658620
and preceding 20658622 . In scientific notation, it is written as 2.0658621 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 12962240 positive integers (up to 20658621) that are relatively prime to 20658621.
20658621 has 8 divisors, whose sum is 29165184
The reverse of 20658621 is 12685602
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million six hundred fifty-eight thousand six hundred twenty-one
Scientific notation
2.0658621 × 10^7
Engineering notation
2.0658621 × 10^6
Prime Factorization
3 × 17 × 405071
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20658621
Product of the distinct prime numbers
The prime factorization of 20658621 is 3 × 17 × 405071.
Since it has a total of 3 prime factors.
6 , 7 , 24 , 14 , 624 , 981 , 8073 , 3983 , 38538 , 50845 , 388511 , 635912 , 8146221 , 2704750 , 3031825 , 66347495 , 977332497 , 815832465 , 9778052365 , 6228157964
n×2
41317242
n×3
61975863
n×4
82634484
n×5
103293105
n÷2
10329310.5
n÷3
6886207
n÷3
5164655.25
n÷5
4131724.2
n2
426778621621641
n3
8.8166577949839E+21
n4
1.8213999187327E+29
n5
3.7627610610529E+36
2 √n
4545.1755741665
3 √n
274.38926060897
4 √n
67.417917308135
5 √n
29.041581691033
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
-20658620
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 20658621 can be divided by 8 positive divisors.
The sum of these divisors (counting 20658621) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110110011100110111101
3
Ternary
1102212120022010
4
Quaternary
1032303212331
5
Quinary
20242033441
6
Senary
2014441433
8
Octal
116634675
10
Decimal
20658621
12
Duodecimal
6b03279
16
Hexadecimal
13b39bd
20
Vigesimal
6926b1
36
Base36
casal
md5
cd1be43c81887322cd50e3eab09fc0e9
sha1
80bb02a124fe34d33e901e9122f2ae36b3fed707
sha256
0e1c33c3a854dbfa1d535ce496bc1c378e18ae81ca8fafcc0e2bd85694abd40a
sha512
21d0d8bf2b4800c1a9927fb7d120124036843979bcddabc9d4556463f1bf6fec630784f12d2ce4a5f30aa2b974d9be59a9dbe3c2e6cd78c5416131c6d9af64bb
ripemd-160
d04e5fee3bc9369f307f7dad1fdb74eba50eba59
Diameter
41317242
Circumference
129801943.93379
Area
1.3407645823957E+15
Volume
3.6931129810582E+22
Surface area
5.3630583295829E+15
Circumference
129801943.93379
Perimeter
82634484
Area
426778621621641
Diagonal
29215701.998126
Surface area
2560671729729846
Volume
8.8166577949839E+21
Space diagonal
35781781.186309
Perimeter
61975863
Area
1.8480056405822E+14
Altitude
17890890.593155
Surface area
1.8480056405822E+14
Volume
1.0390530857057E+21
Height
9738567.3327085