209898387 is an odd 9-digits composite number following 209898386
and preceding 209898388 . In scientific notation, it is written as 2.09898387 × 10^8.
The sum of its digits is 54. It has a total of 2 prime factors and 4 positive divisors.
There are 139932252 positive integers (up to 209898387) that are relatively prime to 209898387.
209898387 has 4 divisors, whose sum is 233220440
The reverse of 209898387 is 783898902
Previous prime number is 9
Is Prime? no Number parity odd Number length 9 Sum of Digits 54 Digital Root 9
Name
two hundred nine million eight hundred ninety-eight thousand three hundred eighty-seven
Scientific notation
2.09898387 × 10^8
Engineering notation
2.09898387 × 10^6
Prime Factorization
9 × 23322043
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
209898387 Product of the distinct prime numbers
The prime factorization of 209898387 is 9 × 23322043.
Since it has a total of 2 prime factors.
4 , 5 , 93 , 55 , 59 , 808 , 9481 , 7704 , 36617 , 21230 , 931400 , 13146 , 9465244 , 2144119 , 93061302 , 8707608 , 665787700 , 279693249 , 5262057220 , 3602124164
n×2
419796774
n×3
629695161
n×4
839593548
n×5
1049491935
n÷2
104949193.5
n÷3
69966129
n÷3
52474596.75
n÷5
41979677.4
n2
44057332865201769
n3
9.2475631039279E+24
n4
1.9410485791952E+33
n5
4.0742296586171E+41
2 √n14487.870340392
3 √n594.29631000905
4 √n120.36556958031
5 √n46.174459476057
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
-209898386 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 209898387 can be divided by 4 positive divisors.
The sum of these divisors (counting 209898387) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100100000101100101110010011
3
Ternary
112121221221110100
4
Quaternary
30200230232103
5
Quinary
412213222022
6
Senary
32454503443
8
Octal
1440545623
10
Decimal
209898387
12
Duodecimal
5a364b83
16
Hexadecimal
c82cb93
20
Vigesimal
35bh5j7
36
Base36
3gyumr
md5
6d71048639d59089dd499a55bfabcfe4
sha1
83cbf331b6eaa5a51d9906980c8b52ae3b6b51aa
sha256
63ce7add01eed0f375b6e32de08219ab1684aeeb8bffa5a379bc3c151b9fe772
sha512
0a943678b31b3105e1dfe3666bebc4eab35de20b933ee20365f66cdecdb579e3424d1bf995289f0f9c156740a0bfbbed77d113787f36223217919108e3584476
ripemd-160
a5cb207aca77290630dc270b825c99e1c7d62c45
Diameter
419796774
Circumference
1318830461.1991
Area
1.3841019326608E+17
Volume
3.8736101747877E+25
Surface area
5.5364077306431E+17
Circumference
1318830461.1991
Perimeter
839593548
Area
44057332865201769
Diagonal
296841145.61564
Surface area
264343997191210614
Volume
9.2475631039279E+24
Space diagonal
363554670.71075
Perimeter
629695161
Area
1.9077384742126E+16
Altitude
181777335.35538
Surface area
1.9077384742126E+16
Volume
1.089835763373E+24
Height
98947048.538546