209938661 is an odd 9-digits composite number following 209938660
and preceding 209938662 . In scientific notation, it is written as 2.09938661 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 197589312 positive integers (up to 209938661) that are relatively prime to 209938661.
209938661 has 4 divisors, whose sum is 222288012
The reverse of 209938661 is 166839902
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred nine million nine hundred thirty-eight thousand six hundred sixty-one
Scientific notation
2.09938661 × 10^8
Engineering notation
2.09938661 × 10^6
Prime Factorization
17 × 12349333
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
209938661
Product of the distinct prime numbers
The prime factorization of 209938661 is 17 × 12349333.
Since it has a total of 2 prime factors.
2 , 9 , 77 , 68 , 516 , 393 , 9946 , 6376 , 95803 , 20997 , 429259 , 144428 , 4128677 , 4556806 , 1107200 , 86544142 , 115638848 , 491447158 , 7990943122 , 4681343090
n×2
419877322
n×3
629815983
n×4
839754644
n×5
1049693305
n÷2
104969330.5
n÷3
69979553.666667
n÷3
52484665.25
n÷5
41987732.2
n2
44074241382472921
n3
9.2528872204272E+24
n4
1.9425387534405E+33
n5
4.0781398483791E+41
2 √n
14489.260195055
3 √n
594.33431754098
4 √n
120.37134291456
5 √n
46.176231273828
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
-209938660
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 209938661 can be divided by 4 positive divisors.
The sum of these divisors (counting 209938661) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100100000110110100011100101
3
Ternary
112122000222200222
4
Quaternary
30200312203211
5
Quinary
412221014121
6
Senary
32455414125
8
Octal
1440664345
10
Decimal
209938661
12
Duodecimal
5a384345
16
Hexadecimal
c8368e5
20
Vigesimal
35c26d1
36
Base36
3gzpph
md5
91d6ce0b115ae2a9177e8decdbd13504
sha1
791a2d423dae0c1aad887beb8f9b4597589ca9b0
sha256
e3068eb91d9557adb93b53ca7db0b80a216eb436151671f98422399e01fd8b0a
sha512
ee254ae2246c3ef75086c12b8a0244f2bd2ead9a97e887cbcff8c5ffcbe99eea85ac3f32a4347df646ee3bd78ced0949712d9886f9342bf6de7a56f8dc26aa7c
ripemd-160
ef9e5cd8f15a3ae8075acf45a7a8f53d0a5dad50
Diameter
419877322
Circumference
1319083510.2042
Area
1.3846331293972E+17
Volume
3.8758403354918E+25
Surface area
5.5385325175888E+17
Circumference
1319083510.2042
Perimeter
839754644
Area
44074241382472921
Diagonal
296898101.65265
Surface area
264445448294837526
Volume
9.2528872204272E+24
Space diagonal
363624427.32498
Perimeter
629815983
Area
1.9084706344874E+16
Altitude
181812213.66249
Surface area
1.9084706344874E+16
Volume
1.0904632165197E+24
Height
98966033.884216