206661409 is an odd 9-digits composite number following 206661408
and preceding 206661410 . In scientific notation, it is written as 2.06661409 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 206240020 positive integers (up to 206661409) that are relatively prime to 206661409.
206661409 has 4 divisors, whose sum is 207082800
The reverse of 206661409 is 904166602
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred six million six hundred sixty-one thousand four hundred nine
Scientific notation
2.06661409 × 10^8
Engineering notation
2.06661409 × 10^6
Prime Factorization
491 × 420899
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
206661409
Product of the distinct prime numbers
The prime factorization of 206661409 is 491 × 420899.
Since it has a total of 2 prime factors.
2 , 10 , 97 , 64 , 124 , 944 , 1837 , 4655 , 57346 , 38199 , 252860 , 339625 , 1112160 , 2118260 , 50900011 , 4647016 , 773391474 , 26212665 , 5315924563 , 7731455792
n×2
413322818
n×3
619984227
n×4
826645636
n×5
1033307045
n÷2
103330704.5
n÷3
68887136.333333
n÷3
51665352.25
n÷5
41332281.8
n2
42708937969865281
n3
8.826289297746E+24
n4
1.8240533825138E+33
n5
3.7696144212152E+41
2 √n
14375.722903562
3 √n
591.2254611255
4 √n
119.89880276117
5 √n
46.031155529008
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
-206661408
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 206661409 can be divided by 4 positive divisors.
The sum of these divisors (counting 206661409) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100010100010110011100100001
3
Ternary
112101212111011021
4
Quaternary
30110112130201
5
Quinary
410401131114
6
Senary
32301245441
8
Octal
1424263441
10
Decimal
206661409
12
Duodecimal
59263881
16
Hexadecimal
c516721
20
Vigesimal
34bcda9
36
Base36
3f1gyp
md5
664d0f444ff7c9da0442e0568cf56067
sha1
eee29138c892bd9df8cc672ee507df6826eb7e7b
sha256
5457f1610af2ad50b86ebe6999abdc7612a9cd8ffb495a6e66bb44165b5a8945
sha512
4e885fb81c45c78c757ac4dc657b2917835f306a80cfd54fce1811e6ffd8810ca66b38c0f58118a917a765838060ae108df4c5dbc8db45f0f0a18032f031b9b6
ripemd-160
1073a7e290ae629afbf09ba39582e595ab24c267
Diameter
413322818
Circumference
1298491928.5898
Area
1.3417408576875E+17
Volume
3.6971474155009E+25
Surface area
5.36696343075E+17
Circumference
1298491928.5898
Perimeter
826645636
Area
42708937969865281
Diagonal
292263367.42693
Surface area
256253627819191686
Volume
8.826289297746E+24
Space diagonal
357948060.35177
Perimeter
619984227
Area
1.8493512625279E+16
Altitude
178974030.17589
Surface area
1.8493512625279E+16
Volume
1.0401881691917E+24
Height
97421122.475644