206890909 is an odd 9-digits composite number following 206890908
and preceding 206890910 . In scientific notation, it is written as 2.06890909 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 204750336 positive integers (up to 206890909) that are relatively prime to 206890909.
206890909 has 8 divisors, whose sum is 209037240
The reverse of 206890909 is 909098602
Previous prime number is 1669
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
two hundred six million eight hundred ninety thousand nine hundred nine
Scientific notation
2.06890909 × 10^8
Engineering notation
2.06890909 × 10^6
Prime Factorization
113 × 1669 × 1097
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
206890909
Product of the distinct prime numbers
The prime factorization of 206890909 is 113 × 1669 × 1097.
Since it has a total of 3 prime factors.
5 , 5 , 93 , 97 , 325 , 273 , 7970 , 7232 , 17765 , 61153 , 670997 , 53418 , 2419982 , 2585496 , 81242067 , 98688646 , 694213880 , 304587317 , 5598465579 , 7589350857
n×2
413781818
n×3
620672727
n×4
827563636
n×5
1034454545
n÷2
103445454.5
n÷3
68963636.333333
n÷3
51722727.25
n÷5
41378181.8
n2
42803848226846281
n3
8.8557270683503E+24
n4
1.8321694230269E+33
n5
3.7905919737204E+41
2 √n
14383.702895986
3 √n
591.44423450926
4 √n
119.93207617642
5 √n
46.041374621893
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
-206890908
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 206890909 can be divided by 8 positive divisors.
The sum of these divisors (counting 206890909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100010101001110011110011101
3
Ternary
112102022010222021
4
Quaternary
30111032132131
5
Quinary
410431002114
6
Senary
32310220141
8
Octal
1425163635
10
Decimal
206890909
12
Duodecimal
59354651
16
Hexadecimal
c54e79d
20
Vigesimal
34d1759
36
Base36
3f6e1p
md5
30972e4419d5eb3862f40df5b121657d
sha1
9efd050f6fe8e8c7b615c66d102a058d86982416
sha256
5a16ec024379eeb26f2dbd57e872c39d5e2e37bcd58dbe87a14f448875686e2e
sha512
cd9e1765b70db3a5e64a05d31c9e7aec66d5b4e737252012c346113ec5230e3b36c386f236c0eebb22f8cdeba048059c7d703cce0109ee56a9b6e8b7144dce82
ripemd-160
bc3f9ee795e696cdadb5bfc48394ef7cd4a43d19
Diameter
413781818
Circumference
1299933919.6178
Area
1.3447225513483E+17
Volume
3.7094782800167E+25
Surface area
5.3788902053933E+17
Circumference
1299933919.6178
Perimeter
827563636
Area
42803848226846281
Diagonal
292587929.4395
Surface area
256823089361077686
Volume
8.8557270683503E+24
Space diagonal
358345566.01211
Perimeter
620672727
Area
1.8534609972091E+16
Altitude
179172783.00605
Surface area
1.8534609972091E+16
Volume
1.043657443728E+24
Height
97529309.813166