20349985 is an odd 8-digits composite number following 20349984
and preceding 20349986 . In scientific notation, it is written as 2.0349985 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 15822400 positive integers (up to 20349985) that are relatively prime to 20349985.
20349985 has 16 divisors, whose sum is 25116480
The reverse of 20349985 is 58994302
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million three hundred forty-nine thousand nine hundred eighty-five
Scientific notation
2.0349985 × 10^7
Engineering notation
2.0349985 × 10^6
Prime Factorization
5 × 59 × 101 × 683
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20349985
Product of the distinct prime numbers
The prime factorization of 20349985 is 5 × 59 × 101 × 683.
Since it has a total of 4 prime factors.
8 , 4 , 37 , 53 , 252 , 372 , 966 , 6326 , 65282 , 39418 , 938103 , 27383 , 9446398 , 6540065 , 26484837 , 93599408 , 62652102 , 73609823 , 4356960774 , 5644692234
n×2
40699970
n×3
61049955
n×4
81399940
n×5
101749925
n÷2
10174992.5
n÷3
6783328.3333333
n÷3
5087496.25
n÷5
4069997
n2
414121889500225
n3
8.4273742395012E+21
n4
1.7149693936324E+29
n5
3.4899601435878E+36
2 √n
4511.0957648891
3 √n
273.01595706126
4 √n
67.164691355571
5 √n
28.954283253113
1 , 5 , 59 , 101 , 295 , 505 , 683 , 3415 , 5959 , 29795 , 40297 , 68983 , 201485 , 344915 , 4069997 , 20349985
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
-20349984
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 20349985 can be divided by 16 positive divisors.
The sum of these divisors (counting 20349985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101101000010000100001
3
Ternary
1102021212221011
4
Quaternary
1031220100201
5
Quinary
20202144420
6
Senary
2004100521
8
Octal
115502041
10
Decimal
20349985
12
Duodecimal
6994741
16
Hexadecimal
1368421
20
Vigesimal
673ej5
36
Base36
c465d
md5
9b94b22d73c1d29e2eaccdfffe6efea9
sha1
871e666fafd794ab31af46e11669172b213c85d1
sha256
aab52b117c070aef28ebe9f2a6ac78f6428d79d1bdee1596728a1644c8afe460
sha512
623ede5143943336ee5b17cb94d0c9d55f67e28f37105b665852f73627304687f23ed585645762eb17ccac7f9fa043ad448366ed40d92c63013848a0041353e3
ripemd-160
5c108afeaaa33238c79ff773172940fef093d2d5
Diameter
40699970
Circumference
127862726.75332
Area
1.3010022857446E+15
Volume
3.5300502666492E+22
Surface area
5.2040091429785E+15
Circumference
127862726.75332
Perimeter
81399940
Area
414121889500225
Diagonal
28779224.781089
Surface area
2484731337001350
Volume
8.4273742395012E+21
Space diagonal
35247207.953265
Perimeter
61049955
Area
1.793200382852E+14
Altitude
17623603.976632
Surface area
1.793200382852E+14
Volume
9.9317557872469E+20
Height
9593074.9270297