68680908 is an even 8-digits composite number following 68680907
and preceding 68680909 . In scientific notation, it is written as 6.8680908 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 22893624 positive integers (up to 68680908) that are relatively prime to 68680908.
68680908 has 12 divisors, whose sum is 133546280
The reverse of 68680908 is 80908686
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-eight million six hundred eighty thousand nine hundred eight
Scientific notation
6.8680908 × 10^7
Engineering notation
6.8680908 × 10^6
Prime Factorization
2 × 2 × 9 × 1907803
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34340454
Product of the distinct prime numbers
The prime factorization of 68680908 is 2 × 2 × 9 × 1907803.
Since it has a total of 4 prime factors.
4 , 6 , 8 , 36 , 359 , 648 , 146 , 5460 , 25418 , 35724 , 32678 , 600389 , 3640422 , 1960644 , 34726526 , 36228510 , 842369467 , 167592816 , 3738548902 , 7524529876
n×2
137361816
n×3
206042724
n×4
274723632
n×5
343404540
n÷2
34340454
n÷3
22893636
n÷3
17170227
n÷5
13736181.6
n2
4717067123704464
n3
3.2397245315297E+23
n4
2.2250722249534E+31
n5
1.5281998077538E+39
2 √n
8287.3945242157
3 √n
409.52335646589
4 √n
91.03512796836
5 √n
36.928970925304
1 , 2 , 4 , 9 , 18 , 36 , 1907803 , 3815606 , 7631212 , 17170227 , 34340454 , 68680908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68680907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68680908 can be divided by 12 positive divisors.
The sum of these divisors (counting 68680908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000101111111110011001100
3
Ternary
11210020100111100
4
Quaternary
10011333303030
5
Quinary
120040242113
6
Senary
10452023100
8
Octal
405776314
10
Decimal
68680908
12
Duodecimal
1b001a90
16
Hexadecimal
417fccc
20
Vigesimal
1195258
36
Base36
14w2j0
md5
2dd035d5738b4b08d1b20c42d82d20bc
sha1
3488978bbb9e5e8e0c6b7bbdea061d984ec5a429
sha256
d0bd4c8359c95ae2b0544052ef1f0affe9d6349c65c9d93d36ca91c844c4ed23
sha512
7a2784abab07a5de73173fe4b44d562958d87ed726f1d25c2a7f8365a52c0f6a4765dca7110787fc0dc5784e477ab3f168e748cfe0a1d8fed95a8fa434912d99
ripemd-160
9b76878dceea320229019015aa72e4093aa53a53
Diameter
137361816
Circumference
431534872.02935
Area
1.481910342232E+16
Volume
1.3570526383878E+24
Surface area
5.927641368928E+16
Circumference
431534872.02935
Perimeter
274723632
Area
4717067123704464
Diagonal
97129471.569699
Surface area
28302402742226784
Volume
3.2397245315297E+23
Space diagonal
118958822.16596
Perimeter
206042724
Area
2.0425499802422E+15
Altitude
59479411.082982
Surface area
2.0425499802422E+15
Volume
3.8180519757018E+22
Height
32376490.523233