201820985 is an odd 9-digits composite number following 201820984
and preceding 201820986 . In scientific notation, it is written as 2.01820985 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 161456784 positive integers (up to 201820985) that are relatively prime to 201820985.
201820985 has 4 divisors, whose sum is 242185188
The reverse of 201820985 is 589028102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
two hundred one million eight hundred twenty thousand nine hundred eighty-five
Scientific notation
2.01820985 × 10^8
Engineering notation
2.01820985 × 10^6
Prime Factorization
5 × 40364197
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
201820985
Product of the distinct prime numbers
The prime factorization of 201820985 is 5 × 40364197.
Since it has a total of 2 prime factors.
1 , 4 , 34 , 39 , 778 , 542 , 1185 , 6449 , 52762 , 65877 , 369211 , 455866 , 1574633 , 6180564 , 28902132 , 99795796 , 532082395 , 199924971 , 2138953961 , 9066446710
n×2
403641970
n×3
605462955
n×4
807283940
n×5
1009104925
n÷2
100910492.5
n÷3
67273661.666667
n÷3
50455246.25
n÷5
40364197
n2
40731709986370225
n3
8.2205138301836E+24
n4
1.6590721984138E+33
n5
3.3483558526998E+41
2 √n
14206.371281928
3 √n
586.57305220431
4 √n
119.19048318523
5 √n
45.813478119604
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
-201820984
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 201820985 can be divided by 4 positive divisors.
The sum of these divisors (counting 201820985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100000001111000101100111001
3
Ternary
112001202120100022
4
Quaternary
30001320230321
5
Quinary
403131232420
6
Senary
32005420225
8
Octal
1401705471
10
Decimal
201820985
12
Duodecimal
5770a675
16
Hexadecimal
c078b39
20
Vigesimal
3317c95
36
Base36
3c5q2h
md5
d1417b09f1084c3241caebd6cf1c85e0
sha1
5f7509ba44c0a32b3e9719d20641957b36e3852b
sha256
9a5dcc8a13ac394e46f64c8db11232ac1118a6e592ad281ed9d225cc6f49cf3a
sha512
4e1b8a1587e0bf370477d5148ada5c90b46562a3d880e6145dec260f5f85000d5aebb4d3c61eb30af082d2a12dabc0383cd6f2f1947d6ea5c93e24e081b40a65
ripemd-160
1ffba9dcff7a3b3c293505c421e2ef5e4fb99e1b
Diameter
403641970
Circumference
1268078647.6325
Area
1.2796244086133E+17
Volume
3.4434007810184E+25
Surface area
5.1184976344532E+17
Circumference
1268078647.6325
Perimeter
807283940
Area
40731709986370225
Diagonal
285417974.1585
Surface area
244390259918221350
Volume
8.2205138301836E+24
Space diagonal
349564200.0536
Perimeter
605462955
Area
1.7637347793888E+16
Altitude
174782100.0268
Surface area
1.7637347793888E+16
Volume
9.6879684569343E+23
Height
95139324.719499