20081556 is an even 8-digits composite number following 20081555
and preceding 20081557 . In scientific notation, it is written as 2.0081556 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 5391360 positive integers (up to 20081556) that are relatively prime to 20081556.
20081556 has 24 divisors, whose sum is 40594176
The reverse of 20081556 is 65518002
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eighty-one thousand five hundred fifty-six
Scientific notation
2.0081556 × 10^7
Engineering notation
2.0081556 × 10^6
Prime Factorization
2 × 2 × 26847 × 11 × 17
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10040778
Product of the distinct prime numbers
The prime factorization of 20081556 is 2 × 2 × 26847 × 11 × 17.
Since it has a total of 5 prime factors.
10 , 6 , 82 , 63 , 896 , 960 , 8582 , 4850 , 54968 , 48827 , 940605 , 116019 , 2237422 , 442815 , 32013267 , 7051793 , 758078522 , 617902964 , 1005117048 , 1071113840
n×2
40163112
n×3
60244668
n×4
80326224
n×5
100407780
n÷2
10040778
n÷3
6693852
n÷3
5020389
n÷5
4016311.2
n2
403268891381136
n3
8.0982668253282E+21
n4
1.6262579875577E+29
n5
3.2657790847587E+36
2 √n
4481.2449163151
3 √n
271.81022301374
4 √n
66.94210122423
5 √n
28.877491994707
1 , 2 , 4 , 11 , 17 , 22 , 34 , 44 , 68 , 187 , 374 , 748 , 26847 , 53694 , 107388 , 295317 , 456399 , 590634 , 912798 , 1181268 , 1825596 , 5020389 , 10040778 , 20081556
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
-20081555
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 20081556 can be divided by 24 positive divisors.
The sum of these divisors (counting 20081556) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100100110101110010100
3
Ternary
1101210020201100
4
Quaternary
1030212232110
5
Quinary
20120102211
6
Senary
1554230100
8
Octal
114465624
10
Decimal
20081556
12
Duodecimal
6885330
16
Hexadecimal
1326b94
20
Vigesimal
65a3hg
36
Base36
byf10
md5
7e03821e7661f7b54a96dc96d91cfc93
sha1
48faba647a467a23234502fc10555996cb8ca522
sha256
af860975b39de421292f173fc39bb96d7127e20eae76556dac42a89ae93081a5
sha512
9e282371694c52a155ae407dfa59eaa202a02ad795f6c24fe970ab020b0f7cea317edf31606fb8d90fb74ab694ce77507774e4729d384f5004c84edf3fc9b0bf
ripemd-160
1fcfc20b2bfe6b3c41a084a254c05c43d0900f03
Diameter
40163112
Circumference
126176137.6045
Area
1.2669065865843E+15
Volume
3.3921940753681E+22
Surface area
5.0676263463371E+15
Circumference
126176137.6045
Perimeter
80326224
Area
403268891381136
Diagonal
28399608.848755
Surface area
2419613348286816
Volume
8.0982668253282E+21
Space diagonal
34782275.28704
Perimeter
60244668
Area
1.7462055224603E+14
Altitude
17391137.64352
Surface area
1.7462055224603E+14
Volume
9.5438989800794E+20
Height
9466536.2829183