20182561 is an odd 8-digits composite number following 20182560
and preceding 20182562 . In scientific notation, it is written as 2.0182561 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 17234952 positive integers (up to 20182561) that are relatively prime to 20182561.
20182561 has 12 divisors, whose sum is 23565168
The reverse of 20182561 is 16528102
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred eighty-two thousand five hundred sixty-one
Scientific notation
2.0182561 × 10^7
Engineering notation
2.0182561 × 10^6
Prime Factorization
7 × 7 × 347 × 1187
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2883223
Product of the distinct prime numbers
The prime factorization of 20182561 is 7 × 7 × 347 × 1187.
Since it has a total of 4 prime factors.
1 , 8 , 5 , 20 , 254 , 339 , 9939 , 8055 , 74500 , 80978 , 512141 , 761529 , 2439127 , 9380557 , 21915094 , 57831867 , 861545666 , 396385471 , 4265244509 , 5648738772
n×2
40365122
n×3
60547683
n×4
80730244
n×5
100912805
n÷2
10091280.5
n÷3
6727520.3333333
n÷3
5045640.25
n÷5
4036512.2
n2
407335768518721
n3
8.221078995611E+21
n4
1.6592242831474E+29
n5
3.3487395307303E+36
2 √n
4492.5005286588
3 √n
272.26517266371
4 √n
67.026118257429
5 √n
28.906482980132
1 , 7 , 49 , 347 , 1187 , 2429 , 8309 , 17003 , 58163 , 411889 , 2883223 , 20182561
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20182560
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20182561 can be divided by 12 positive divisors.
The sum of these divisors (counting 20182561) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111111011000100001
3
Ternary
1101222101021021
4
Quaternary
1030333120201
5
Quinary
20131320221
6
Senary
2000325441
8
Octal
114773041
10
Decimal
20182561
12
Duodecimal
6913881
16
Hexadecimal
133f621
20
Vigesimal
662g81
36
Base36
c0kyp
md5
e2f2fe4f8f14ef2a1a76a45a9a88c008
sha1
459c095c38172db5c437064c39e4c0f758a48c43
sha256
6d353dacf585519699d5e86ba85011b19dfdfc5b5ef34adaeb8c25bb97fa698f
sha512
b896d5764ae827ca58658cfe2ce9a8e61e5db5f346531eddcae364b3d6e2e0f6cf8c117f264461ecec17f0bbfcff210f899d8aaa9295242464e5e9248e2627c4
ripemd-160
5b609211d2c9a6a6fc40198b93203789b54cf028
Diameter
40365122
Circumference
126810770.73646
Area
1.2796830579228E+15
Volume
3.443637516959E+22
Surface area
5.1187322316911E+15
Circumference
126810770.73646
Perimeter
80730244
Area
407335768518721
Diagonal
28542451.489622
Surface area
2444014611112326
Volume
8.221078995611E+21
Space diagonal
34957221.078858
Perimeter
60547683
Area
1.7638156170363E+14
Altitude
17478610.539429
Surface area
1.7638156170363E+14
Volume
9.688634510778E+20
Height
9514150.4965408