20185135 is an odd 8-digits composite number following 20185134
and preceding 20185136 . In scientific notation, it is written as 2.0185135 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 16024320 positive integers (up to 20185135) that are relatively prime to 20185135.
20185135 has 8 divisors, whose sum is 24407856
The reverse of 20185135 is 53158102
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred eighty-five thousand one hundred thirty-five
Scientific notation
2.0185135 × 10^7
Engineering notation
2.0185135 × 10^6
Prime Factorization
5 × 131 × 30817
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20185135
Product of the distinct prime numbers
The prime factorization of 20185135 is 5 × 131 × 30817.
Since it has a total of 3 prime factors.
9 , 3 , 3 , 74 , 680 , 210 , 8070 , 7722 , 13465 , 38558 , 535310 , 430451 , 9831304 , 4242702 , 27707659 , 62881701 , 293370119 , 811838444 , 6284571651 , 6553955877
n×2
40370270
n×3
60555405
n×4
80740540
n×5
100925675
n÷2
10092567.5
n÷3
6728378.3333333
n÷3
5046283.75
n÷5
4037027
n2
407439674968225
n3
8.2242248435897E+21
n4
1.6600708873821E+29
n5
3.3508754971378E+36
2 √n
4492.7869969541
3 √n
272.27674669477
4 √n
67.028255213411
5 √n
28.907220265076
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20185134
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20185135 can be divided by 8 positive divisors.
The sum of these divisors (counting 20185135) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000000000000101111
3
Ternary
1101222111210121
4
Quaternary
1031000000233
5
Quinary
20131411020
6
Senary
2000345411
8
Octal
115000057
10
Decimal
20185135
12
Duodecimal
6915267
16
Hexadecimal
134002f
20
Vigesimal
6632gf
36
Base36
c0my7
md5
f848671cf8c71523e786dca43a2647fd
sha1
c804d1e79aa0e532d0ddc9d78beb58cb1ff8ce4c
sha256
8b237bee65f5a0d7bed5839c13e5d18b12991db8fd8e2dd2db3dd3c63ab272f5
sha512
4377bde9686c27662381c5da57defd49a7f8753a6932e14ea1235460671de0d31b1378f63fa6769be567077cbe5b803ab4c7b7bb6ac356ab923660b8f0cdc4af
ripemd-160
29ac3018ff54367006c6e365be14cef11f7248ba
Diameter
40370270
Circumference
126826943.65544
Area
1.2800094896612E+15
Volume
3.444955246679E+22
Surface area
5.1200379586448E+15
Circumference
126826943.65544
Perimeter
80740540
Area
407439674968225
Diagonal
28546091.675332
Surface area
2444638049809350
Volume
8.2242248435897E+21
Space diagonal
34961679.377637
Perimeter
60555405
Area
1.7642655451608E+14
Altitude
17480839.688818
Surface area
1.7642655451608E+14
Volume
9.6923419281753E+20
Height
9515363.8917773