20018085 is an odd 8-digits composite number following 20018084
and preceding 20018086 . In scientific notation, it is written as 2.0018085 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 10598400 positive integers (up to 20018085) that are relatively prime to 20018085.
20018085 has 16 divisors, whose sum is 32262720
The reverse of 20018085 is 58081002
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million eighteen thousand eighty-five
Scientific notation
2.0018085 × 10^7
Engineering notation
2.0018085 × 10^6
Prime Factorization
3 × 5 × 139 × 9601
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20018085
Product of the distinct prime numbers
The prime factorization of 20018085 is 3 × 5 × 139 × 9601.
Since it has a total of 4 prime factors.
5 , 1 , 75 , 82 , 858 , 108 , 8401 , 5203 , 44785 , 46699 , 797337 , 248501 , 5865278 , 7868737 , 37243547 , 56925225 , 656442018 , 293072583 , 7907649029 , 9007030739
n×2
40036170
n×3
60054255
n×4
80072340
n×5
100090425
n÷2
10009042.5
n÷3
6672695
n÷3
5004521.25
n÷5
4003617
n2
400723727067225
n3
8.0217216299485E+21
n4
1.6057950543465E+29
n5
3.2144941890487E+36
2 √n
4474.1574625844
3 √n
271.52355408184
4 √n
66.889143084543
5 √n
28.859214477288
1 , 3 , 5 , 15 , 139 , 417 , 695 , 2085 , 9601 , 28803 , 48005 , 144015 , 1334539 , 4003617 , 6672695 , 20018085
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
-20018084
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 20018085 can be divided by 16 positive divisors.
The sum of these divisors (counting 20018085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010111001110100101
3
Ternary
1101200000122120
4
Quaternary
1030113032211
5
Quinary
20111034320
6
Senary
1553020153
8
Octal
114271645
10
Decimal
20018085
12
Duodecimal
6854659
16
Hexadecimal
13173a5
20
Vigesimal
652545
36
Base36
bx21x
md5
548697870ab4651cd073a6440a5e6e4b
sha1
ef6f36e50159fc4e7b3316e01db65748b2060ef9
sha256
d1b9e1d51326fdd4c58277e8eba26847a40f704316fde0ead41a86e7a63fd955
sha512
b5fc4ecd51cf6646ea47780b9ce4cad67c19d21855b625333e86bcac042be576b321e19d32c35393c6ff352c7d8a120b64f78bc057926e291c3873eccbb36f91
ripemd-160
30065451c8f39baa26f3196c918a088d7fa21dda
Diameter
40036170
Circumference
125777337.54987
Area
1.2589107170735E+15
Volume
3.3601308989051E+22
Surface area
5.0356428682941E+15
Circumference
125777337.54987
Perimeter
80072340
Area
400723727067225
Diagonal
28309847.299737
Surface area
2404342362403350
Volume
8.0217216299485E+21
Space diagonal
34672340.290232
Perimeter
60054255
Area
1.735184637697E+14
Altitude
17336170.145116
Surface area
1.735184637697E+14
Volume
9.4536896022123E+20
Height
9436615.7665791