20561940 is an even 8-digits composite number following 20561939
and preceding 20561941 . In scientific notation, it is written as 2.0561940 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 4699584 positive integers (up to 20561940) that are relatively prime to 20561940.
20561940 has 24 divisors, whose sum is 48437760
The reverse of 20561940 is 04916502
Previous prime number is 105
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million five hundred sixty-one thousand nine hundred forty
Scientific notation
2.0561940 × 10^7
Engineering notation
2.0561940 × 10^6
Prime Factorization
2 × 2 × 3 × 105 × 16319
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10280970
Product of the distinct prime numbers
The prime factorization of 20561940 is 2 × 2 × 3 × 105 × 16319.
Since it has a total of 5 prime factors.
1 , 9 , 1 , 92 , 263 , 895 , 263 , 6689 , 93025 , 98709 , 508801 , 192612 , 5007660 , 8220788 , 69577958 , 59212648 , 211571398 , 471768496 , 1861202537 , 6046032465
n×2
41123880
n×3
61685820
n×4
82247760
n×5
102809700
n÷2
10280970
n÷3
6853980
n÷3
5140485
n÷5
4112388
n2
422793376563600
n3
8.6934520412981E+21
n4
1.7875423926605E+29
n5
3.6755339425342E+36
2 √n
4534.527538785
3 √n
273.96054984625
4 √n
67.338900635406
5 √n
29.014348120723
1 , 2 , 3 , 4 , 6 , 12 , 105 , 210 , 315 , 420 , 630 , 1260 , 16319 , 32638 , 48957 , 65276 , 97914 , 195828 , 1713495 , 3426990 , 5140485 , 6853980 , 10280970 , 20561940
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
-20561939
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 20561940 can be divided by 24 positive divisors.
The sum of these divisors (counting 20561940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110011100000000010100
3
Ternary
1102200122200100
4
Quaternary
1032130000110
5
Quinary
20230440230
6
Senary
2012414100
8
Octal
116340024
10
Decimal
20561940
12
Duodecimal
6a77330
16
Hexadecimal
139c014
20
Vigesimal
68a4h0
36
Base36
c8pp0
md5
c32ce99d7f8b3e55d8431c1f10140f08
sha1
919814410de948a50fc702b34d268722e0f2ea85
sha256
c0309be01f2f90c60ade7740f65e5c92bef79bd5593b8b3f8f07f1cdf823546b
sha512
5b4881c2ce027495f1c346e9f894e99765a55879afe3999bbdec520d5c6172d51f95fc0866ecad21a6d82cdaa045c693dd89303d650df9db46340104d1168063
ripemd-160
8bdf3d5d44fec2378fd542aa25d368630d851bb7
Diameter
41123880
Circumference
129194479.29511
Area
1.3282445657986E+15
Volume
3.641504675637E+22
Surface area
5.3129782631945E+15
Circumference
129194479.29511
Perimeter
82247760
Area
422793376563600
Diagonal
29078974.416702
Surface area
2536760259381600
Volume
8.6934520412981E+21
Space diagonal
35614324.782183
Perimeter
61685820
Area
1.8307490232794E+14
Altitude
17807162.391091
Surface area
1.8307490232794E+14
Volume
1.024533148387E+21
Height
9692991.4722339