20189890 is an even 8-digits composite number following 20189889
and preceding 20189891 . In scientific notation, it is written as 2.0189890 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 6922224 positive integers (up to 20189890) that are relatively prime to 20189890.
20189890 has 16 divisors, whose sum is 41533632
The reverse of 20189890 is 09898102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred eighty-nine thousand eight hundred ninety
Scientific notation
2.0189890 × 10^7
Engineering notation
2.0189890 × 10^6
Prime Factorization
2 × 7 × 5 × 288427
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20189890
Product of the distinct prime numbers
The prime factorization of 20189890 is 2 × 7 × 5 × 288427.
Since it has a total of 4 prime factors.
7 , 3 , 7 , 72 , 447 , 450 , 7979 , 8140 , 48455 , 76429 , 606140 , 571990 , 2410635 , 4020626 , 48353379 , 51232651 , 984966753 , 887878179 , 7335954198 , 467157679
n×2
40379780
n×3
60569670
n×4
80759560
n×5
100949450
n÷2
10094945
n÷3
6729963.3333333
n÷3
5047472.5
n÷5
4037978
n2
407631658212100
n3
8.2300383398199E+21
n4
1.6616356877675E+29
n5
3.3548241756099E+36
2 √n
4493.316147346
3 √n
272.29812503882
4 √n
67.032202316096
5 √n
28.908582068028
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 288427 , 576854 , 1442135 , 2018989 , 2884270 , 4037978 , 10094945 , 20189890
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
-20189889
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 20189890 can be divided by 16 positive divisors.
The sum of these divisors (counting 20189890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000001001011000010
3
Ternary
1101222202022201
4
Quaternary
1031001023002
5
Quinary
20132034030
6
Senary
2000423414
8
Octal
115011302
10
Decimal
20189890
12
Duodecimal
6917b6a
16
Hexadecimal
13412c2
20
Vigesimal
663eea
36
Base36
c0qma
md5
d68797f6abce1fa63aabeef417ad75f8
sha1
c0deac8a95cb801cd877b1c389052e6b9d6abec7
sha256
c4216f8221fed3adf5dcba7d0d860dc5500cf4f06f6a9f8fc199ebee01ad0e4d
sha512
259f774fab370f729f306a8f9d43bbee86ad84e541662733d36535b8df8c59c1f2fca6b2de94e599bf6598c293b90c71e2888f3e15106aab869fd18d6bdee66c
ripemd-160
1cd80226f40f1ee717d6a93bdecf19f7e1f62f5a
Diameter
40379780
Circumference
126856820.20157
Area
1.2806126228098E+15
Volume
3.4473903982854E+22
Surface area
5.122450491239E+15
Circumference
126856820.20157
Perimeter
80759560
Area
407631658212100
Diagonal
28552816.260821
Surface area
2445789949272600
Volume
8.2300383398199E+21
Space diagonal
34969915.279227
Perimeter
60569670
Area
1.7650968569923E+14
Altitude
17484957.639613
Surface area
1.7650968569923E+14
Volume
9.6991931991865E+20
Height
9517605.4202736