20281366 is an even 8-digits composite number following 20281365
and preceding 20281367 . In scientific notation, it is written as 2.0281366 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 8677440 positive integers (up to 20281366) that are relatively prime to 20281366.
20281366 has 16 divisors, whose sum is 34826400
The reverse of 20281366 is 66318202
Previous prime number is 1049
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million two hundred eighty-one thousand three hundred sixty-six
Scientific notation
2.0281366 × 10^7
Engineering notation
2.0281366 × 10^6
Prime Factorization
2 × 7 × 1049 × 1381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20281366
Product of the distinct prime numbers
The prime factorization of 20281366 is 2 × 7 × 1049 × 1381.
Since it has a total of 4 prime factors.
9 , 10 , 15 , 53 , 440 , 567 , 7085 , 9392 , 20189 , 87441 , 643766 , 208532 , 3307233 , 7326916 , 66430190 , 77989867 , 379058364 , 387382680 , 6992053000 , 8024742645
n×2
40562732
n×3
60844098
n×4
81125464
n×5
101406830
n÷2
10140683
n÷3
6760455.3333333
n÷3
5070341.5
n÷5
4056273.2
n2
411333806825956
n3
8.3424114844105E+21
n4
1.6919550063793E+29
n5
3.4315158739911E+36
2 √n
4503.4837625998
3 √n
272.70874670791
4 √n
67.108000734635
5 √n
28.934730421337
1 , 2 , 7 , 14 , 1049 , 1381 , 2098 , 2762 , 7343 , 9667 , 14686 , 19334 , 1448669 , 2897338 , 10140683 , 20281366
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
-20281365
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 20281366 can be divided by 16 positive divisors.
The sum of these divisors (counting 20281366) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101010111100000010110
3
Ternary
1102011101210201
4
Quaternary
1031113200112
5
Quinary
20143000431
6
Senary
2002411114
8
Octal
115274026
10
Decimal
20281366
12
Duodecimal
6960a9a
16
Hexadecimal
1357816
20
Vigesimal
66f386
36
Base36
c2p7a
md5
80e7f8bd6827d0e379223a847d1e2b76
sha1
cf8f5093c5e0663a1325d94b65cdfe60d35f9f8f
sha256
6f0718984519f9b5a152a7032baaa58df1c0c239222c989bd7eecbdd517e2052
sha512
c2eb64e246db5188d8732bf0a2fd1bdf04ef2c448c6bfef8f2dbd0b5ecaa955e8347effac8f5df2919f68ba6c852f7f3f10b506eb7eb3b14d9c78c2fb9ff2975
ripemd-160
e15c92cbf5037395220ae067ecd6e6493c780c10
Diameter
40562732
Circumference
127431580.86073
Area
1.2922432656975E+15
Volume
3.4944611510196E+22
Surface area
5.1689730627902E+15
Circumference
127431580.86073
Perimeter
81125464
Area
411333806825956
Diagonal
28682182.860653
Surface area
2468002840955736
Volume
8.3424114844105E+21
Space diagonal
35128356.3589
Perimeter
60844098
Area
1.7811276307332E+14
Altitude
17564178.17945
Surface area
1.7811276307332E+14
Volume
9.8316262201253E+20
Height
9560727.6202175