135686721 is an odd 9-digits composite number following 135686720
and preceding 135686722 . In scientific notation, it is written as 1.35686721 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 87539760 positive integers (up to 135686721) that are relatively prime to 135686721.
135686721 has 8 divisors, whose sum is 186751744
The reverse of 135686721 is 127686531
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred thirty-five million six hundred eighty-six thousand seven hundred twenty-one
Scientific notation
1.35686721 × 10^8
Engineering notation
1.35686721 × 10^6
Prime Factorization
3 × 31 × 1458997
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
135686721
Product of the distinct prime numbers
The prime factorization of 135686721 is 3 × 31 × 1458997.
Since it has a total of 3 prime factors.
6 , 6 , 69 , 24 , 600 , 809 , 2158 , 1625 , 56894 , 99624 , 960003 , 251600 , 8877711 , 823016 , 16614864 , 76091320 , 25376644 , 501971927 , 1137249936 , 3381159851
n×2
271373442
n×3
407060163
n×4
542746884
n×5
678433605
n÷2
67843360.5
n÷3
45228907
n÷3
33921680.25
n÷5
27137344.2
n2
18410886255731841
n3
2.4981127867442E+24
n4
3.389607327215E+32
n5
4.5992470370737E+40
2 √n
11648.464319386
3 √n
513.86114762392
4 √n
107.92805158709
5 √n
42.316278768829
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
-135686720
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 135686721 can be divided by 8 positive divisors.
The sum of these divisors (counting 135686721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000000101100110101001000001
3
Ternary
100110022121012010
4
Quaternary
20011212221001
5
Quinary
234213433341
6
Senary
21244123133
8
Octal
1005465101
10
Decimal
135686721
12
Duodecimal
395364a9
16
Hexadecimal
8166a41
20
Vigesimal
2280gg1
36
Base36
28s8jl
md5
8d959041a7f083d73a6930d3ac6cd164
sha1
54c4d2a8f5ffb3b0203c246beebc4e6bbfb1432d
sha256
091222bc21d31227b308f6f24c74dcb8e8f8956819aa49ca10e2daa66f9f2455
sha512
bb96111dd3d651904a895f4d1fa4842eadbbf654a9861673ff234bdc582335a13de17ac2223e10002cd88fcec45e247590d9e3b2eb5aee42a7eb9e9e622a19d0
ripemd-160
8acbfa61c147cad6f40794f579222ab0c3496371
Diameter
271373442
Circumference
852544811.76658
Area
5.7839505007084E+16
Volume
1.0464070371566E+25
Surface area
2.3135802002834E+17
Circumference
852544811.76658
Perimeter
542746884
Area
18410886255731841
Diagonal
191890001.07213
Surface area
110465317534391046
Volume
2.4981127867442E+24
Space diagonal
235016294.68442
Perimeter
407060163
Area
7.9721476018248E+15
Altitude
117508147.34221
Surface area
7.9721476018248E+15
Volume
2.9440541527928E+23
Height
63963333.690711