208640994 is an even 9-digits composite number following 208640993
and preceding 208640995 . In scientific notation, it is written as 2.08640994 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 69546996 positive integers (up to 208640994) that are relatively prime to 208640994.
208640994 has 8 divisors, whose sum is 417282000
The reverse of 208640994 is 499046802
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred eight million six hundred forty thousand nine hundred ninety-four
Scientific notation
2.08640994 × 10^8
Engineering notation
2.08640994 × 10^6
Prime Factorization
2 × 3 × 34773499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
208640994
Product of the distinct prime numbers
The prime factorization of 208640994 is 2 × 3 × 34773499.
Since it has a total of 3 prime factors.
8 , 3 , 33 , 60 , 820 , 902 , 3167 , 7123 , 44083 , 53706 , 103289 , 245797 , 1505819 , 1327955 , 10111347 , 7797133 , 502295395 , 842327692 , 5589661825 , 4408680280
n×2
417281988
n×3
625922982
n×4
834563976
n×5
1043204970
n÷2
104320497
n÷3
69546998
n÷3
52160248.5
n÷5
41728198.8
n2
43531064377308036
n3
9.0823645415595E+24
n4
1.8949535658213E+33
n5
3.9536499555681E+41
2 √n
14444.410476028
3 √n
593.10722486087
4 √n
120.18490119823
5 √n
46.119004961348
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
-208640993
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 208640994 can be divided by 8 positive divisors.
The sum of these divisors (counting 208640994) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011011111001101111100010
3
Ternary
112112121001122020
4
Quaternary
30123321233202
5
Quinary
411403002434
6
Senary
32411522310
8
Octal
1433715742
10
Decimal
208640994
12
Duodecimal
59a59396
16
Hexadecimal
c6f9be2
20
Vigesimal
354029e
36
Base36
3g7wf6
md5
3d0609cbfbded409261436b9cf57753b
sha1
70ed212238381b9ed81db9ca2583c308b572e16e
sha256
725a4f07705b48ace823f5da19c4eccdc6165b149680a819f79d04eb6225ffa7
sha512
583cd1f21b6ef5dfd10d12c0f8af8cee432ad6c57fec06a3a74d6fa3d3bbdb4e8d9299641e37766191df2c8d9282a1c9d636545de953470af48fe5569769afac
ripemd-160
8fe862cc541b5b7e35b39d9c5a79139ad161a3a2
Diameter
417281988
Circumference
1310930027.9761
Area
1.367568720507E+17
Volume
3.8044119627984E+25
Surface area
5.4702748820278E+17
Circumference
1310930027.9761
Perimeter
834563976
Area
43531064377308036
Diagonal
295062923.3818
Surface area
261186386263848216
Volume
9.0823645415595E+24
Space diagonal
361376802.14967
Perimeter
625922982
Area
1.8849503802262E+16
Altitude
180688401.07484
Surface area
1.8849503802262E+16
Volume
1.0703669260908E+24
Height
98354307.793935