20189515 is an odd 8-digits composite number following 20189514
and preceding 20189516 . In scientific notation, it is written as 2.0189515 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 15412496 positive integers (up to 20189515) that are relatively prime to 20189515.
20189515 has 12 divisors, whose sum is 25341264
The reverse of 20189515 is 51598102
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred eighty-nine thousand five hundred fifteen
Scientific notation
2.0189515 × 10^7
Engineering notation
2.0189515 × 10^6
Prime Factorization
5 × 23 × 419 × 419
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
48185
Product of the distinct prime numbers
The prime factorization of 20189515 is 5 × 23 × 419 × 419.
Since it has a total of 4 prime factors.
6 , 4 , 50 , 80 , 734 , 765 , 52 , 9954 , 96955 , 96542 , 190521 , 694449 , 7081308 , 6235513 , 26645466 , 72545945 , 584286116 , 611748946 , 1539571114 , 8569683759
n×2
40379030
n×3
60568545
n×4
80758060
n×5
100947575
n÷2
10094757.5
n÷3
6729838.3333333
n÷3
5047378.75
n÷5
4037903
n2
407616515935225
n3
8.229579762722E+21
n4
1.6615122406317E+29
n5
3.3545126304918E+36
2 √n
4493.274418506
3 √n
272.29643917147
4 √n
67.03189105572
5 √n
28.908474679639
1 , 5 , 23 , 115 , 419 , 2095 , 9637 , 48185 , 175561 , 877805 , 4037903 , 20189515
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
-20189514
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 20189515 can be divided by 12 positive divisors.
The sum of these divisors (counting 20189515) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000001000101001011
3
Ternary
1101222201210211
4
Quaternary
1031001011023
5
Quinary
20132031030
6
Senary
2000421551
8
Octal
115010513
10
Decimal
20189515
12
Duodecimal
69178b7
16
Hexadecimal
134114b
20
Vigesimal
663dff
36
Base36
c0qbv
md5
eba34752690e3fe218d003d23f1e2567
sha1
1d9a09ce4e2025d3b207a59e62f9359672289ae8
sha256
33bc5450f675f4fb5d5c06216192910e219954fabdec498fe2a0a79e33701a32
sha512
3067c4030beb091d46a87154227cd6c49e3ee4d5fe0889a9ff05a4007dcc71297496a4532dc224d2e75ebfd56788d696a6983518760fd2472789198d33d3cd3d
ripemd-160
765aff17d8df33e74b9d07acc904cb88ee3ae263
Diameter
40379030
Circumference
126854464.00708
Area
1.280565051944E+15
Volume
3.4471983099598E+22
Surface area
5.1222602077759E+15
Circumference
126854464.00708
Perimeter
80758060
Area
407616515935225
Diagonal
28552285.930735
Surface area
2445699095611350
Volume
8.229579762722E+21
Space diagonal
34969265.760174
Perimeter
60568545
Area
1.76503128901E+14
Altitude
17484632.880087
Surface area
1.76503128901E+14
Volume
9.6986527608938E+20
Height
9517428.6435783