20189861 is an odd 8-digits composite number following 20189860
and preceding 20189862 . In scientific notation, it is written as 2.0189861 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 20180832 positive integers (up to 20189861) that are relatively prime to 20189861.
20189861 has 4 divisors, whose sum is 20198892
The reverse of 20189861 is 16898102
Previous prime number is 4073
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred eighty-nine thousand eight hundred sixty-one
Scientific notation
2.0189861 × 10^7
Engineering notation
2.0189861 × 10^6
Prime Factorization
4073 × 4957
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20189861
Product of the distinct prime numbers
The prime factorization of 20189861 is 4073 × 4957.
Since it has a total of 2 prime factors.
10 , 6 , 75 , 4 , 39 , 63 , 7993 , 598 , 82484 , 13536 , 632488 , 497369 , 8965508 , 9677992 , 67115400 , 6738858 , 529733620 , 129395039 , 4352730488 , 4872315027
n×2
40379722
n×3
60569583
n×4
80759444
n×5
100949305
n÷2
10094930.5
n÷3
6729953.6666667
n÷3
5047465.25
n÷5
4037972.2
n2
407630487199321
n3
8.2300028759166E+21
n4
1.6616261409436E+29
n5
3.3548000819617E+36
2 √n
4493.3129203295
3 √n
272.29799466582
4 √n
67.032178245448
5 √n
28.908573763383
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20189860
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20189861 can be divided by 4 positive divisors.
The sum of these divisors (counting 20189861) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000001001010100101
3
Ternary
1101222202021122
4
Quaternary
1031001022211
5
Quinary
20132033421
6
Senary
2000423325
8
Octal
115011245
10
Decimal
20189861
12
Duodecimal
6917b45
16
Hexadecimal
13412a5
20
Vigesimal
663ed1
36
Base36
c0qlh
md5
35b40c013de635b125ec8a255b697294
sha1
4165ecb677507ada31cec7e7d6b9968925637e8d
sha256
ec53e9de7ba111fcf6afccca1796475f89d47fe2a77ef41344b4ffb96862dc44
sha512
95693a1ac5ee3a7781a75209ab16c3f0404d325ce9c74b67d4e306f0c9421753cedd9f295e95222be12a5f428d175fcc0d620d45e9d6ec9e559981cb43479d32
ripemd-160
2840870fd7b7fbb7e7ccc70aa3913d75804f7347
Diameter
40379722
Circumference
126856637.9892
Area
1.2806089439646E+15
Volume
3.4473755432003E+22
Surface area
5.1224357758585E+15
Circumference
126856637.9892
Perimeter
80759444
Area
407630487199321
Diagonal
28552775.248628
Surface area
2445782923195926
Volume
8.2300028759166E+21
Space diagonal
34969865.049753
Perimeter
60569583
Area
1.7650917863582E+14
Altitude
17484932.524877
Surface area
1.7650917863582E+14
Volume
9.6991514045757E+20
Height
9517591.7495425