20512689 is an odd 8-digits composite number following 20512688
and preceding 20512690 . In scientific notation, it is written as 2.0512689 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 13238208 positive integers (up to 20512689) that are relatively prime to 20512689.
20512689 has 16 divisors, whose sum is 28231872
The reverse of 20512689 is 98621502
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million five hundred twelve thousand six hundred eighty-nine
Scientific notation
2.0512689 × 10^7
Engineering notation
2.0512689 × 10^6
Prime Factorization
3 × 283 × 37 × 653
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20512689
Product of the distinct prime numbers
The prime factorization of 20512689 is 3 × 283 × 37 × 653.
Since it has a total of 4 prime factors.
1 , 5 , 19 , 65 , 351 , 242 , 1895 , 3872 , 34889 , 78874 , 405487 , 79686 , 5610470 , 2668777 , 77873795 , 54305091 , 670567655 , 638139699 , 9987409946 , 1212098168
n×2
41025378
n×3
61538067
n×4
82050756
n×5
102563445
n÷2
10256344.5
n÷3
6837563
n÷3
5128172.25
n÷5
4102537.8
n2
420770410010721
n3
8.6311325609524E+21
n4
1.7704773794059E+29
n5
3.6317251865288E+36
2 √n
4529.0936179328
3 √n
273.74164024429
4 √n
67.298540979228
5 √n
29.000435457407
1 , 3 , 37 , 111 , 283 , 653 , 849 , 1959 , 10471 , 24161 , 31413 , 72483 , 184799 , 554397 , 6837563 , 20512689
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
-20512688
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 20512689 can be divided by 16 positive divisors.
The sum of these divisors (counting 20512689) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001111111110110001
3
Ternary
1102121011010020
4
Quaternary
1032033332301
5
Quinary
20222401224
6
Senary
2011354053
8
Octal
116177661
10
Decimal
20512689
12
Duodecimal
6a52929
16
Hexadecimal
138ffb1
20
Vigesimal
6841e9
36
Base36
c7nox
md5
adb2bd962c3b62f2ef55147645271859
sha1
4e664754565e2d1d0eebce37e2208f79ab147e32
sha256
611d57d6b6cd2e3ceaa22d3bd5592f5767a2549f9f9271df9bcdfb47a93822ae
sha512
b8ec3b75ed98365681c1ffb05dddaea1a36e075d9f59aa30814e5de43b001fb73ac4567d5b89cf6833f5411ee94764b4a33f3267c8632f30ff6b3a646b98d624
ripemd-160
058b9f9332af7bcd1504ddc194b08a5d68ab687a
Diameter
41025378
Circumference
128885026.13554
Area
1.3218892289376E+15
Volume
3.615400352753E+22
Surface area
5.2875569157506E+15
Circumference
128885026.13554
Perimeter
82050756
Area
420770410010721
Diagonal
29009322.984541
Surface area
2524622460064326
Volume
8.6311325609524E+21
Space diagonal
35529019.547859
Perimeter
61538067
Area
1.8219893211504E+14
Altitude
17764509.77393
Surface area
1.8219893211504E+14
Volume
1.0171887271949E+21
Height
9669774.3281805