209460981 is an odd 9-digits composite number following 209460980
and preceding 209460982 . In scientific notation, it is written as 2.09460981 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 138404672 positive integers (up to 209460981) that are relatively prime to 209460981.
209460981 has 8 divisors, whose sum is 281753280
The reverse of 209460981 is 189064902
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred nine million four hundred sixty thousand nine hundred eighty-one
Scientific notation
2.09460981 × 10^8
Engineering notation
2.09460981 × 10^6
Prime Factorization
3 × 113 × 617879
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
209460981
Product of the distinct prime numbers
The prime factorization of 209460981 is 3 × 113 × 617879.
Since it has a total of 3 prime factors.
10 , 9 , 21 , 83 , 420 , 702 , 2298 , 214 , 18151 , 95902 , 424150 , 323063 , 7681120 , 7449279 , 85241501 , 3810664 , 421471927 , 530005497 , 9690390681 , 1342797280
n×2
418921962
n×3
628382943
n×4
837843924
n×5
1047304905
n÷2
104730490.5
n÷3
69820327
n÷3
52365245.25
n÷5
41892196.2
n2
43873902561482361
n3
9.1898706708265E+24
n4
1.9249193259744E+33
n5
4.0319549036447E+41
2 √n
14472.766874375
3 √n
593.88320607274
4 √n
120.30281324381
5 √n
46.155198878257
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
-209460980
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 209460981 can be divided by 8 positive divisors.
The sum of these divisors (counting 209460981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011111000001111011110101
3
Ternary
112121010201110010
4
Quaternary
30133001323311
5
Quinary
412110222411
6
Senary
32441250433
8
Octal
1437017365
10
Decimal
209460981
12
Duodecimal
5a193a19
16
Hexadecimal
c7c1ef5
20
Vigesimal
3592c91
36
Base36
3gph4l
md5
85f35b255c33c08f08b8b0cea8f7a9b2
sha1
d89c57cdb3d7c182eb0b813ffee33c8d4e706895
sha256
4628f286c8c01ed488ca6f76b27e6c4448d912e770e1d52d05465bfb8f23dd5a
sha512
f6600ea4e10e14fac3ef1825006a71ce709c6ca7d7599e54bcdea8c0e6c3551747fcc6c91621f28a5904afc200f7c67501f6ec1921531df73c2c73486fc6a122
ripemd-160
d3fd1a00709faa1b7d168729bc8589ba631907d3
Diameter
418921962
Circumference
1316082158.2466
Area
1.3783392997147E+17
Volume
3.8494440249212E+25
Surface area
5.5133571988587E+17
Circumference
1316082158.2466
Perimeter
837843924
Area
43873902561482361
Diagonal
296222560.11817
Surface area
263243415368894166
Volume
9.1898706708265E+24
Space diagonal
362797061.29522
Perimeter
628382943
Area
1.8997957090703E+16
Altitude
181398530.64761
Surface area
1.8997957090703E+16
Volume
1.0830366449281E+24
Height
98740853.372724