68617691 is an odd 8-digits prime number following 68617690
and preceding 68617692 . In scientific notation, it is written as 6.8617691 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 68617690 positive integers (up to 68617691) that are relatively prime to 68617691.
68617691 has 2 divisors, whose sum is 68617692
The reverse of 68617691 is 19671686
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-eight million six hundred seventeen thousand six hundred ninety-one
Scientific notation
6.8617691 × 10^7
Engineering notation
6.8617691 × 10^6
Prime Factorization
68617691
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
68617691
Product of the distinct prime numbers
The prime factorization of 68617691 is 68617691.
Since it has a total of 1 prime factors.
8 , 2 , 94 , 50 , 146 , 378 , 128 , 2938 , 32131 , 63955 , 458514 , 500253 , 1648612 , 9109158 , 61083469 , 3457236 , 2382703 , 589601726 , 7321806530 , 371087648
n×2
137235382
n×3
205853073
n×4
274470764
n×5
343088455
n÷2
34308845.5
n÷3
22872563.666667
n÷3
17154422.75
n÷5
13723538.2
n2
4708387518171481
n3
3.2307867983015E+23
n4
2.2168913021273E+31
n5
1.5211796234996E+39
2 √n
8283.5796006316
3 √n
409.39766998363
4 √n
91.014172526215
5 √n
36.922170203462
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
68617692
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
34308846
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8283.579660992
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999970853
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68617691 can be divided by 2 positive divisors.
The sum of these divisors (counting 68617691) is 68617692, the average is 34308846.
Base
System
Value
2
Binary
100000101110000010111011011
3
Ternary
11210010010202222
4
Quaternary
10011300113123
5
Quinary
120031231231
6
Senary
10450414255
8
Octal
405602733
10
Decimal
68617691
12
Duodecimal
1ab9138b
16
Hexadecimal
41705db
20
Vigesimal
118h44b
36
Base36
14upqz
md5
634ef6f2d29201a1f2c5215a5921dc93
sha1
a4dec73e45cf34fe86c4eb3d6d570b1bd39518b6
sha256
b436dae88ad3ac95b8ebe84623e17f1673e4d0d9cbb6548660b3370e92c0ca21
sha512
c8410178b2c1d73534169b44b8238cbb5b4c457e3fb41466822191728d3cb59723a10b4e18213b008d8261d14d3d36bd9c3cc3b0de67135abeec06bdfd079def
ripemd-160
1ec8ac13db9a21c2054364ce0dcad99dc16919e9
Diameter
137235382
Circumference
431137667.90379
Area
1.4791835637341E+16
Volume
1.3533088094478E+24
Surface area
5.9167342549366E+16
Circumference
431137667.90379
Perimeter
274470764
Area
4708387518171481
Diagonal
97040069.230926
Surface area
28250325109028886
Volume
3.2307867983015E+23
Space diagonal
118849327.11006
Perimeter
205853073
Area
2.038791600799E+15
Altitude
59424663.555031
Surface area
2.038791600799E+15
Volume
3.8075187560782E+22
Height
32346689.743642