206985289 is an odd 9-digits composite number following 206985288
and preceding 206985290 . In scientific notation, it is written as 2.06985289 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 172620720 positive integers (up to 206985289) that are relatively prime to 206985289.
206985289 has 8 divisors, whose sum is 242948288
The reverse of 206985289 is 982589602
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
two hundred six million nine hundred eighty-five thousand two hundred eighty-nine
Scientific notation
2.06985289 × 10^8
Engineering notation
2.06985289 × 10^6
Prime Factorization
7 × 37 × 799171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
206985289
Product of the distinct prime numbers
The prime factorization of 206985289 is 7 × 37 × 799171.
Since it has a total of 3 prime factors.
2 , 1 , 40 , 40 , 974 , 823 , 6660 , 6242 , 34519 , 84225 , 579903 , 410859 , 6323870 , 165395 , 79218133 , 97286001 , 908994110 , 597851245 , 7302947227 , 4769904585
n×2
413970578
n×3
620955867
n×4
827941156
n×5
1034926445
n÷2
103492644.5
n÷3
68995096.333333
n÷3
51746322.25
n÷5
41397057.8
n2
42842909862413521
n3
8.8678520794726E+24
n4
1.8355149254789E+33
n5
3.7992458731406E+41
2 √n
14386.983318264
3 √n
591.53415632871
4 √n
119.94575156405
5 √n
46.045574508934
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
-206985288
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 206985289 can be divided by 8 positive divisors.
The sum of these divisors (counting 206985289) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100010101100101100001001001
3
Ternary
112102110221102211
4
Quaternary
30111211201021
5
Quinary
410442012124
6
Senary
32312225121
8
Octal
1425454111
10
Decimal
206985289
12
Duodecimal
5939b1a1
16
Hexadecimal
c565849
20
Vigesimal
34dd349
36
Base36
3f8evd
md5
69b49519aa3aa719ab2856ac4bcb1c3b
sha1
b7505e65672cd1d4f86e529f71ead30994560a0d
sha256
86ee7a296eca144506aa92c3f64dddc5979ef8eab324cb3b1842860002c595a8
sha512
823f4a67381ee85467078d9694240cbbf3543b01295daf74b7e47d919bd8f6adc49e900a5f17b5e14e0bb9df00e37bd1284feb4088e6f9742b49a529502f72c6
ripemd-160
b2d339d663098dd4922231c3a47a71595e39c94d
Diameter
413970578
Circumference
1300526926.6471
Area
1.3459497088217E+17
Volume
3.714557192799E+25
Surface area
5.3837988352867E+17
Circumference
1300526926.6471
Perimeter
827941156
Area
42842909862413521
Diagonal
292721402.91551
Surface area
257057459174481126
Volume
8.8678520794726E+24
Space diagonal
358509036.96733
Perimeter
620955867
Area
1.8551524156448E+16
Altitude
179254518.48366
Surface area
1.8551524156448E+16
Volume
1.0450863899924E+24
Height
97573800.971838