209121105 is an odd 9-digits composite number following 209121104
and preceding 209121106 . In scientific notation, it is written as 2.09121105 × 10^8.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 111531248 positive integers (up to 209121105) that are relatively prime to 209121105.
209121105 has 8 divisors, whose sum is 334593792
The reverse of 209121105 is 501121902
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 21
Digital Root 3
Name
two hundred nine million one hundred twenty-one thousand one hundred five
Scientific notation
2.09121105 × 10^8
Engineering notation
2.09121105 × 10^6
Prime Factorization
3 × 5 × 13941407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
209121105
Product of the distinct prime numbers
The prime factorization of 209121105 is 3 × 5 × 13941407.
Since it has a total of 3 prime factors.
10 , 7 , 31 , 52 , 239 , 909 , 6114 , 3839 , 69504 , 23453 , 861167 , 506038 , 2771346 , 5331645 , 36865428 , 53385942 , 113770012 , 502912635 , 5242656428 , 3903621390
n×2
418242210
n×3
627363315
n×4
836484420
n×5
1045605525
n÷2
104560552.5
n÷3
69707035
n÷3
52280276.25
n÷5
41824221
n2
43731636556421025
n3
9.1452081601372E+24
n4
1.9124560359029E+33
n5
3.9993491949193E+41
2 √n
14461.020192227
3 √n
593.56181618951
4 √n
120.25398202233
5 √n
46.140210658609
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
-209121104
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 209121105 can be divided by 8 positive divisors.
The sum of these divisors (counting 209121105) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011101101110111101010001
3
Ternary
112120111110020010
4
Quaternary
30131232331101
5
Quinary
412013333410
6
Senary
32430105133
8
Octal
1435567521
10
Decimal
209121105
12
Duodecimal
5a04b1a9
16
Hexadecimal
c76ef51
20
Vigesimal
35702f5
36
Base36
3gi6vl
md5
186e902844939b12d694503e218a2dc8
sha1
c03af8573565b32755333743bb69d53c661b5574
sha256
10f760eeaa37d4f517b047ec29a89caf19bb02aa66e12a58fbf78ef57c8186ad
sha512
9914b419c4f39884e103a99b727d1522d716fbbdd4acff45e3cc50a6598d6af37d79163a566c24ef3013ac6c4baeb7e97274974fc8a7cdae482de6c0c04a12c9
ripemd-160
c69c977e0b384f03a67fb73249dc0e51386e1186
Diameter
418242210
Circumference
1313946654.3572
Area
1.3738698813511E+17
Volume
3.8307358361915E+25
Surface area
5.4954795254044E+17
Circumference
1313946654.3572
Perimeter
836484420
Area
43731636556421025
Diagonal
295741902.86945
Surface area
262389819338526150
Volume
9.1452081601372E+24
Space diagonal
362208378.79495
Perimeter
627363315
Area
1.8936354103464E+16
Altitude
181104189.39747
Surface area
1.8936354103464E+16
Volume
1.0777731175659E+24
Height
98580634.289816