68909 is an odd 5-digits prime number following 68908
and preceding 68910 . In scientific notation, it is written as 6.8909 × 10^4.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 68908 positive integers (up to 68909) that are relatively prime to 68909.
68909 has 2 divisors, whose sum is 68910
The reverse of 68909 is 90986
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 32
Digital Root 5
Name
sixty-eight thousand nine hundred nine
Scientific notation
6.8909 × 10^4
Engineering notation
6.8909 × 10^3
Prime Factorization
68909
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
68909
Product of the distinct prime numbers
The prime factorization of 68909 is 68909.
Since it has a total of 1 prime factors.
3 , 3 , 81 , 19 , 389 , 537 , 3853 , 7902 , 4623 , 4255 , 954789 , 402101 , 9539047 , 2874554 , 1879818 , 6686585 , 180912860 , 146436909 , 4669465834 , 9484339761
n×2
137818
n×3
206727
n×4
275636
n×5
344545
n÷2
34454.5
n÷3
22969.666666667
n÷3
17227.25
n÷5
13781.8
n2
4748450281
n3
327210960413429
n4
2.2547780071129E+19
n5
1.5537449769214E+24
2 √n
262.50523804298
3 √n
40.997620325894
4 √n
16.202013394729
5 √n
9.2822912151943
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
68910
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
34455
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
262.50714275996
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999709766362
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68909 can be divided by 2 positive divisors.
The sum of these divisors (counting 68909) is 68910, the average is 34455.
Base
System
Value
2
Binary
10000110100101101
3
Ternary
10111112012
4
Quaternary
100310231
5
Quinary
4201114
6
Senary
1251005
8
Octal
206455
10
Decimal
68909
12
Duodecimal
33a65
16
Hexadecimal
10d2d
20
Vigesimal
8c59
36
Base36
1h65
md5
cb4e7af98667b2c91c442d0412640c4b
sha1
cf68f74f97e9fd1d1863c48b5f37e905248e7ff4
sha256
682a0fddb418968157ce8175e0ef497ae3ead6e9dcd822590da315c7bb337f67
sha512
ce97c94a242c2228865488d12624ac7a313aba7943bc4a37460bd8ccf6638e04e4148d78e78fdca66e830c7d65d5c496395e062c9857743228b103ff726b0b2c
ripemd-160
74c0759595866a070eee6f611968be7f516cdff6
Diameter
137818
Circumference
432968.01633244
Area
14917696518.726
Volume
1.3706180658785E+15
Surface area
59670786074.904
Circumference
432968.01633244
Perimeter
275636
Area
4748450281
Diagonal
97452.042369568
Surface area
28490701686
Volume
327210960413429
Space diagonal
119353.88909876
Perimeter
206727
Area
2056139285.9767
Altitude
59676.944549382
Surface area
2056139285.9767
Volume
38562181497816
Height
32484.014123189