20565990 is an even 8-digits composite number following 20565989
and preceding 20565991 . In scientific notation, it is written as 2.0565990 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 5484240 positive integers (up to 20565990) that are relatively prime to 20565990.
20565990 has 16 divisors, whose sum is 41132160
The reverse of 20565990 is 09956502
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million five hundred sixty-five thousand nine hundred ninety
Scientific notation
2.0565990 × 10^7
Engineering notation
2.0565990 × 10^6
Prime Factorization
2 × 9 × 5 × 228511
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20565990
Product of the distinct prime numbers
The prime factorization of 20565990 is 2 × 9 × 5 × 228511.
Since it has a total of 4 prime factors.
2 , 4 , 32 , 63 , 914 , 919 , 5263 , 4584 , 32216 , 88178 , 47983 , 916768 , 6942000 , 4617274 , 5393960 , 67195762 , 818363351 , 822550882 , 3549158344 , 5317637606
n×2
41131980
n×3
61697970
n×4
82263960
n×5
102829950
n÷2
10282995
n÷3
6855330
n÷3
5141497.5
n÷5
4113198
n2
422959944680100
n3
8.6985899926915E+21
n4
1.7889511480379E+29
n5
3.6791551421037E+36
2 √n
4534.9740903339
3 √n
273.97853562301
4 √n
67.342216256476
5 √n
29.015490997835
1 , 2 , 5 , 9 , 10 , 18 , 45 , 90 , 228511 , 457022 , 1142555 , 2056599 , 2285110 , 4113198 , 10282995 , 20565990
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
-20565989
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 20565990 can be divided by 16 positive divisors.
The sum of these divisors (counting 20565990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110011100111111100110
3
Ternary
1102200212020100
4
Quaternary
1032130333212
5
Quinary
20231102430
6
Senary
2012444530
8
Octal
116347746
10
Decimal
20565990
12
Duodecimal
6a79746
16
Hexadecimal
139cfe6
20
Vigesimal
68aeja
36
Base36
c8sti
md5
294d03a4ef77acc906a7a3f8c34cce78
sha1
dcef6020cf60e498b389adb2d70fb62da6cb852d
sha256
5e456e463c90e0fa7bbd1979d2a81a3d3f25e9baac825409d9f1e79ac168e1bd
sha512
770668ae0688819a282d10281195bdcc8d1f25f555645a9a506e6f7e59639bdf3253c0f9907578a5323b873785010cd3962c6df09fe607f4f82c403b6cba7569
ripemd-160
7989ce1458d654f02bfb7973725eb70068b85abd
Diameter
41131980
Circumference
129219926.1956
Area
1.3287678549697E+15
Volume
3.6436568556839E+22
Surface area
5.315071419879E+15
Circumference
129219926.1956
Perimeter
82263960
Area
422959944680100
Diagonal
29084701.981629
Surface area
2537759668080600
Volume
8.6985899926915E+21
Space diagonal
35621339.587953
Perimeter
61697970
Area
1.8314702843811E+14
Altitude
17810669.793977
Surface area
1.8314702843811E+14
Volume
1.0251386617656E+21
Height
9694900.6605432