20085489 is an odd 8-digits composite number following 20085488
and preceding 20085490 . In scientific notation, it is written as 2.0085489 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 12247200 positive integers (up to 20085489) that are relatively prime to 20085489.
20085489 has 24 divisors, whose sum is 24577280
The reverse of 20085489 is 98458002
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million eighty-five thousand four hundred eighty-nine
Scientific notation
2.0085489 × 10^7
Engineering notation
2.0085489 × 10^6
Prime Factorization
9 × 19 × 9 × 31 × 421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2231721
Product of the distinct prime numbers
The prime factorization of 20085489 is 9 × 19 × 9 × 31 × 421.
Since it has a total of 5 prime factors.
1 , 5 , 50 , 63 , 328 , 470 , 7481 , 9258 , 70414 , 35447 , 815188 , 673069 , 9027154 , 8740593 , 65994248 , 9217544 , 84864233 , 12081260 , 7933579958 , 2690017826
n×2
40170978
n×3
60256467
n×4
80341956
n×5
100427445
n÷2
10042744.5
n÷3
6695163
n÷3
5021372.25
n÷5
4017097.8
n2
403426868369121
n3
8.1030259269324E+21
n4
1.6275323812212E+29
n5
3.2689783740161E+36
2 √n
4481.6837237806
3 √n
271.82796665579
4 √n
66.945378658878
5 √n
28.878623045304
1 , 9 , 19 , 31 , 81 , 171 , 279 , 421 , 589 , 1539 , 2511 , 3789 , 5301 , 7999 , 13051 , 34101 , 47709 , 71991 , 117459 , 247969 , 647919 , 1057131 , 2231721 , 20085489
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20085488
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20085489 can be divided by 24 positive divisors.
The sum of these divisors (counting 20085489) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100100111101011110001
3
Ternary
1101210110010000
4
Quaternary
1030213223301
5
Quinary
20120213424
6
Senary
1554300213
8
Octal
114475361
10
Decimal
20085489
12
Duodecimal
6887669
16
Hexadecimal
1327af1
20
Vigesimal
65ade9
36
Base36
byi29
md5
70c49a9d5779164763f82c91c2d46971
sha1
48a8dd93f5b15a49ff81027f0c4839d3ca23dd7e
sha256
bf23f02395c743d1116980ff1d862f73c63f37c2ff37b687bd170d385260471e
sha512
d1fe3ee70f2902378445aa142379e369b4cb165624653f907666bea928011ed0086835a649cf7a86bc0f1169c267d636d1f6cb337281c2152bcb31133d2c1411
ripemd-160
840ab683c24ae5f3ce7f2b68129ee94c1bf735a3
Diameter
40170978
Circumference
126200849.37232
Area
1.2674028859292E+15
Volume
3.3941875631865E+22
Surface area
5.0696115437167E+15
Circumference
126200849.37232
Perimeter
80341956
Area
403426868369121
Diagonal
28405170.950696
Surface area
2420561210214726
Volume
8.1030259269324E+21
Space diagonal
34789087.442866
Perimeter
60256467
Area
1.7468895828843E+14
Altitude
17394543.721433
Surface area
1.7468895828843E+14
Volume
9.5495076351072E+20
Height
9468390.3168985