209888921 is an odd 9-digits composite number following 209888920
and preceding 209888922 . In scientific notation, it is written as 2.09888921 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 184228240 positive integers (up to 209888921) that are relatively prime to 209888921.
209888921 has 8 divisors, whose sum is 236865600
The reverse of 209888921 is 129888902
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred nine million eight hundred eighty-eight thousand nine hundred twenty-one
Scientific notation
2.09888921 × 10^8
Engineering notation
2.09888921 × 10^6
Prime Factorization
11 × 29 × 657959
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
209888921
Product of the distinct prime numbers
The prime factorization of 209888921 is 11 × 29 × 657959.
Since it has a total of 3 prime factors.
9 , 7 , 68 , 53 , 737 , 270 , 8238 , 2889 , 94109 , 91471 , 780974 , 677244 , 2463819 , 8969573 , 75124793 , 8206156 , 79892360 , 209571722 , 8234315541 , 5000408522
n×2
419777842
n×3
629666763
n×4
839555684
n×5
1049444605
n÷2
104944460.5
n÷3
69962973.666667
n÷3
52472230.25
n÷5
41977784.2
n2
44053359158544241
n3
9.2463120202123E+24
n4
1.9406984531517E+33
n5
4.0733110431838E+41
2 √n
14487.543649632
3 √n
594.28737601402
4 √n
120.36421249538
5 √n
46.174042993277
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
-209888920
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 209888921 can be divided by 8 positive divisors.
The sum of these divisors (counting 209888921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100000101010011010011001
3
Ternary
112121221110110202
4
Quaternary
30200222122121
5
Quinary
412212421141
6
Senary
32454351545
8
Octal
1440523231
10
Decimal
209888921
12
Duodecimal
5a35b5b5
16
Hexadecimal
c82a699
20
Vigesimal
35bg261
36
Base36
3gynbt
md5
a73a6f360dfc21317bbf9181bae45c79
sha1
5a81073af003d6f413bbc3a99026dedfb0c84be5
sha256
71c650f1012e05a74c879a6ac71f528cd2c60d186a0f8e16bbd1edfc62796930
sha512
fc6edf5ca400e2d7ef26fa6ec5c3519ba4e49fdce09c8101a2ef99fc650b6c1f3fb898aa1ed879f3cc41f3aeb3bea91719556c427aac5f2ba4d03400cedae823
ripemd-160
4e40a81e4fbbf398c543d028b76c6c38bb846576
Diameter
419777842
Circumference
1318770984.567
Area
1.3839770949844E+17
Volume
3.8730861220664E+25
Surface area
5.5359083799374E+17
Circumference
1318770984.567
Perimeter
839555684
Area
44053359158544241
Diagonal
296827758.67006
Surface area
264320154951265446
Volume
9.2463120202123E+24
Space diagonal
363538275.11781
Perimeter
629666763
Area
1.907566407667E+16
Altitude
181769137.55891
Surface area
1.907566407667E+16
Volume
1.0896883217431E+24
Height
98942586.223352