20029985 is an odd 8-digits composite number following 20029984
and preceding 20029986 . In scientific notation, it is written as 2.0029985 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 15784560 positive integers (up to 20029985) that are relatively prime to 20029985.
20029985 has 4 divisors, whose sum is 20090112
The reverse of 20029985 is 58992002
Previous prime number is 335
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million twenty-nine thousand nine hundred eighty-five
Scientific notation
2.0029985 × 10^7
Engineering notation
2.0029985 × 10^6
Prime Factorization
335 × 59791
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20029985
Product of the distinct prime numbers
The prime factorization of 20029985 is 335 × 59791.
Since it has a total of 2 prime factors.
4 , 6 , 33 , 80 , 847 , 216 , 2611 , 8725 , 50276 , 97766 , 44289 , 22484 , 2365090 , 2628087 , 26004382 , 69408164 , 955236310 , 650375377 , 7128056139 , 4580591101
n×2
40059970
n×3
60089955
n×4
80119940
n×5
100149925
n÷2
10014992.5
n÷3
6676661.6666667
n÷3
5007496.25
n÷5
4005997
n2
401200299100225
n3
8.036035972973E+21
n4
1.6096167999811E+29
n5
3.2240600359369E+36
2 √n
4475.4871243251
3 √n
271.57734694369
4 √n
66.899081640372
5 √n
28.862644805615
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
-20029984
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 20029985 can be divided by 4 positive divisors.
The sum of these divisors (counting 20029985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100011010001000100001
3
Ternary
1101200121222022
4
Quaternary
1030122020201
5
Quinary
20111424420
6
Senary
1553151225
8
Octal
114321041
10
Decimal
20029985
12
Duodecimal
685b515
16
Hexadecimal
131a221
20
Vigesimal
653ej5
36
Base36
bxb8h
md5
bd865fb10fb175275a4bc6ece98cda93
sha1
db41f209e0320af8644f9b81e37d42e97f0730c7
sha256
8c709d3f6bfc8746e49d0d52f28d6f639a5b67978d95fa3eadf47ce88c92af13
sha512
5fa99d0ad4434a43f30f8e9d7eec8bf77264ac85810139821bb1452d96411ee788cea85822f92a544c972ed4961369644b25a2cf2b9f20d44a590a61edcac36e
ripemd-160
1cbe00aed6c4f66ad582675d93981fc330239bec
Diameter
40059970
Circumference
125852107.45503
Area
1.2604079122713E+15
Volume
3.36612687689E+22
Surface area
5.0416316490852E+15
Circumference
125852107.45503
Perimeter
80119940
Area
401200299100225
Diagonal
28326676.44113
Surface area
2407201794601350
Volume
8.036035972973E+21
Space diagonal
34692951.694842
Perimeter
60089955
Area
1.7372482551335E+14
Altitude
17346475.847421
Surface area
1.7372482551335E+14
Volume
9.4705592172471E+20
Height
9442225.4803766