206868909 is an odd 9-digits composite number following 206868908
and preceding 206868910 . In scientific notation, it is written as 2.06868909 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 127303920 positive integers (up to 206868909) that are relatively prime to 206868909.
206868909 has 4 divisors, whose sum is 212173280
The reverse of 206868909 is 909868602
Previous prime number is 39
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
two hundred six million eight hundred sixty-eight thousand nine hundred nine
Scientific notation
2.06868909 × 10^8
Engineering notation
2.06868909 × 10^6
Prime Factorization
39 × 5304331
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
206868909
Product of the distinct prime numbers
The prime factorization of 206868909 is 39 × 5304331.
Since it has a total of 2 prime factors.
6 , 6 , 17 , 66 , 874 , 639 , 3101 , 735 , 74084 , 63714 , 347278 , 868099 , 9556458 , 7415794 , 72178169 , 32434712 , 292778542 , 483799698 , 1306216397 , 5564662937
n×2
413737818
n×3
620606727
n×4
827475636
n×5
1034344545
n÷2
103434454.5
n÷3
68956303
n÷3
51717227.25
n÷5
41373781.8
n2
42794745510850281
n3
8.8529023147622E+24
n4
1.8313902433384E+33
n5
3.7885770159267E+41
2 √n
14382.93812126
3 √n
591.42326978208
4 √n
119.92888776796
5 √n
46.04039540697
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
-206868908
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 206868909 can be divided by 4 positive divisors.
The sum of these divisors (counting 206868909) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100010101001001000110101101
3
Ternary
112102021000210110
4
Quaternary
30111021012231
5
Quinary
410424301114
6
Senary
32305530233
8
Octal
1425110655
10
Decimal
206868909
12
Duodecimal
59343979
16
Hexadecimal
c5491ad
20
Vigesimal
34cic59
36
Base36
3f5x2l
md5
bdd46ee8830b7018135f1e4f69d836eb
sha1
b8325fc27566acd20e3b2285c37b68d32b14c7f3
sha256
a74f158d4014b5d6c35f4998f91d03012c2237f657719d97f31f50d934120580
sha512
3a1aa489acbc9921e6417bd4717971d5def9ba8bba7f13d5f5b038351a8cd4d2068738215787bc13d365d9af8b2383f6ae8ccf61c2b06bb3832edb9a5e83190a
ripemd-160
6a421cb195099b153296cb33592a47d067504f63
Diameter
413737818
Circumference
1299795689.5411
Area
1.3444365810913E+17
Volume
3.7082950500007E+25
Surface area
5.3777463243653E+17
Circumference
1299795689.5411
Perimeter
827475636
Area
42794745510850281
Diagonal
292556816.74113
Surface area
256768473065101686
Volume
8.8529023147622E+24
Space diagonal
358307460.89434
Perimeter
620606727
Area
1.8530668380443E+16
Altitude
179153730.44717
Surface area
1.8530668380443E+16
Volume
1.0433245433251E+24
Height
97518938.913709