20081660 is an even 8-digits composite number following 20081659
and preceding 20081661 . In scientific notation, it is written as 2.0081660 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 8016320 positive integers (up to 20081660) that are relatively prime to 20081660.
20081660 has 24 divisors, whose sum is 42257376
The reverse of 20081660 is 06618002
Previous prime number is 1223
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million eighty-one thousand six hundred sixty
Scientific notation
2.0081660 × 10^7
Engineering notation
2.0081660 × 10^6
Prime Factorization
2 × 2 × 5 × 1223 × 821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10040830
Product of the distinct prime numbers
The prime factorization of 20081660 is 2 × 2 × 5 × 1223 × 821.
Since it has a total of 5 prime factors.
10 , 5 , 36 , 86 , 541 , 538 , 894 , 1117 , 60304 , 44663 , 792838 , 130480 , 9126207 , 8929227 , 95062229 , 93432118 , 42971686 , 429122829 , 4449551103 , 4467470184
n×2
40163320
n×3
60244980
n×4
80326640
n×5
100408300
n÷2
10040830
n÷3
6693886.6666667
n÷3
5020415
n÷5
4016332
n2
403273068355600
n3
8.0983926458739E+21
n4
1.6262916766094E+29
n5
3.26586365105E+36
2 √n
4481.2565202184
3 √n
271.81069223725
4 √n
66.942187895365
5 √n
28.877521905268
1 , 2 , 4 , 5 , 10 , 20 , 821 , 1223 , 1642 , 2446 , 3284 , 4105 , 4892 , 6115 , 8210 , 12230 , 16420 , 24460 , 1004083 , 2008166 , 4016332 , 5020415 , 10040830 , 20081660
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
-20081659
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 20081660 can be divided by 24 positive divisors.
The sum of these divisors (counting 20081660) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100100110101111111100
3
Ternary
1101210020212012
4
Quaternary
1030212233330
5
Quinary
20120103120
6
Senary
1554230352
8
Octal
114465774
10
Decimal
20081660
12
Duodecimal
68853b8
16
Hexadecimal
1326bfc
20
Vigesimal
65a430
36
Base36
byf3w
md5
de4798d8f6b70b57f2c58598ffeadb8c
sha1
20cd60a69463dfabc1a43ff96281669bbb2edc6b
sha256
f413f544c2de62cc125a1b3cdaade93e92475e537ee5aa001d0f767f6b078888
sha512
591df05d6f9b04c1213331cb75f268ff3731dd1a1c260216506f39006dc05c802747c28b18d77027fc3f9b2f5b2635b3a13c10ec040f4764f76b7e5b0168a2fb
ripemd-160
e9e1e1ca18d215861199571ba8beb3f7e2af36c8
Diameter
40163320
Circumference
126176791.05578
Area
1.2669197089366E+15
Volume
3.3922467789551E+22
Surface area
5.0676788357463E+15
Circumference
126176791.05578
Perimeter
80326640
Area
403273068355600
Diagonal
28399755.926965
Surface area
2419638410133600
Volume
8.0983926458739E+21
Space diagonal
34782455.420324
Perimeter
60244980
Area
1.7462236092902E+14
Altitude
17391227.710162
Surface area
1.7462236092902E+14
Volume
9.5440472610145E+20
Height
9466585.3089884