68617813 is an odd 8-digits composite number following 68617812
and preceding 68617814 . In scientific notation, it is written as 6.8617813 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 62246880 positive integers (up to 68617813) that are relatively prime to 68617813.
68617813 has 8 divisors, whose sum is 75015360
The reverse of 68617813 is 31871686
Previous prime number is 487
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million six hundred seventeen thousand eight hundred thirteen
Scientific notation
6.8617813 × 10^7
Engineering notation
6.8617813 × 10^6
Prime Factorization
11 × 487 × 12809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68617813
Product of the distinct prime numbers
The prime factorization of 68617813 is 11 × 487 × 12809.
Since it has a total of 3 prime factors.
7 , 5 , 65 , 81 , 687 , 859 , 6540 , 2616 , 58632 , 46620 , 741789 , 937414 , 4386801 , 1251005 , 76406269 , 79745372 , 192811171 , 878044579 , 708599625 , 5216554628
n×2
137235626
n×3
205853439
n×4
274471252
n×5
343089065
n÷2
34308906.5
n÷3
22872604.333333
n÷3
17154453.25
n÷5
13723562.6
n2
4708404260902969
n3
3.2308040310304E+23
n4
2.2169070684089E+31
n5
1.5211931465846E+39
2 √n
8283.5869645945
3 √n
409.39791261535
4 √n
91.01421298124
5 √n
36.922183332734
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
-68617812
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 68617813 can be divided by 8 positive divisors.
The sum of these divisors (counting 68617813) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101110000011001010101
3
Ternary
11210010010221111
4
Quaternary
10011300121111
5
Quinary
120031232223
6
Senary
10450415021
8
Octal
405603125
10
Decimal
68617813
12
Duodecimal
1ab91471
16
Hexadecimal
4170655
20
Vigesimal
118h4ad
36
Base36
14upud
md5
c0679ff8c5019d9ebf0196d31e21bc5d
sha1
c20d400deb169188b2a467f7b5181fdad3fd28d2
sha256
7218603eb0dccbb2282a214a163fe3b482c1536bc4fc330b53d2db0b8d0b4ad9
sha512
6c7c1838d19ed2fa4b55193f4d01b4371c6f9eb17072b19d1a522c48cd613e1b99ac9f0ba1587b21fa8dafae9a805f126ad107a63dcf1018930520bed3a36654
ripemd-160
4702e649a2172cab6035e8a487f50980336c61a9
Diameter
137235626
Circumference
431138434.4524
Area
1.4791888236184E+16
Volume
1.3533160278765E+24
Surface area
5.9167552944735E+16
Circumference
431138434.4524
Perimeter
274471252
Area
4708404260902969
Diagonal
97040241.764981
Surface area
28250425565417814
Volume
3.2308040310304E+23
Space diagonal
118849538.42026
Perimeter
205853439
Area
2.0387988506144E+15
Altitude
59424769.21013
Surface area
2.0387988506144E+15
Volume
3.8075390650441E+22
Height
32346747.254994