68706909 is an odd 8-digits composite number following 68706908
and preceding 68706910 . In scientific notation, it is written as 6.8706909 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 45628872 positive integers (up to 68706909) that are relatively prime to 68706909.
68706909 has 8 divisors, whose sum is 76633920
The reverse of 68706909 is 90960786
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-eight million seven hundred six thousand nine hundred nine
Scientific notation
6.8706909 × 10^7
Engineering notation
6.8706909 × 10^6
Prime Factorization
9 × 263 × 29027
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68706909
Product of the distinct prime numbers
The prime factorization of 68706909 is 9 × 263 × 29027.
Since it has a total of 3 prime factors.
4 , 6 , 32 , 68 , 175 , 893 , 5242 , 6715 , 72208 , 38286 , 876284 , 472053 , 7532381 , 7766293 , 46503532 , 12979276 , 494665811 , 523150860 , 9528842822 , 5821065620
n×2
137413818
n×3
206120727
n×4
274827636
n×5
343534545
n÷2
34353454.5
n÷3
22902303
n÷3
17176727.25
n÷5
13741381.8
n2
4720639344334281
n3
3.24340537853E+23
n4
2.2284435819277E+31
n5
1.5310947039514E+39
2 √n
8288.9630835226
3 √n
409.57502862965
4 √n
91.043742692854
5 √n
36.931766592489
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
-68706908
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 68706909 can be divided by 8 positive divisors.
The sum of these divisors (counting 68706909) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000110000110001001011101
3
Ternary
11210021200011100
4
Quaternary
10012012021131
5
Quinary
120042110114
6
Senary
10452343313
8
Octal
406061135
10
Decimal
68706909
12
Duodecimal
1b014b39
16
Hexadecimal
418625d
20
Vigesimal
1198759
36
Base36
14wml9
md5
1d598c5689d599b151979b99523ba8a8
sha1
2c2f8186bb83b96d9b6972df250a1f523200715a
sha256
b4a27723e64cea2bb9261c632243d2b75af8393569a3c751b7316efe3aa2eadd
sha512
7e42d49e2e0d4749ab4538dbba0bf9db470bcb5dea2d9e75e6dd2f97dda96ead4c67343ac8ba73d7578fe9bed3d0c9e0ac3511b96ee5ab16789324e43324d19f
ripemd-160
b4daec6dca76cf1b9b886b5e2eb3aad51fd00b03
Diameter
137413818
Circumference
431698241.13052
Area
1.4830325884408E+16
Volume
1.3585944679738E+24
Surface area
5.932130353763E+16
Circumference
431698241.13052
Perimeter
274827636
Area
4720639344334281
Diagonal
97166242.536534
Surface area
28323836066005686
Volume
3.24340537853E+23
Space diagonal
119003857.21901
Perimeter
206120727
Area
2.0440967971489E+15
Altitude
59501928.609506
Surface area
2.0440967971489E+15
Volume
3.8223898954924E+22
Height
32388747.512178