686996868 is an even 9-digits composite number following 686996867
and preceding 686996869 . In scientific notation, it is written as 6.86996868 × 10^8.
The sum of its digits is 66. It has a total of 5 prime factors and 24 positive divisors.
There are 225861696 positive integers (up to 686996868) that are relatively prime to 686996868.
686996868 has 24 divisors, whose sum is 1624953568
The reverse of 686996868 is 868699686
Previous prime number is 73
Is Prime? no
Number parity even
Number length 9
Sum of Digits 66
Digital Root 3
Name
six hundred eighty-six million nine hundred ninety-six thousand eight hundred sixty-eight
Scientific notation
6.86996868 × 10^8
Engineering notation
6.86996868 × 10^6
Prime Factorization
2 × 2 × 3 × 73 × 784243
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
343498434
Product of the distinct prime numbers
The prime factorization of 686996868 is 2 × 2 × 3 × 73 × 784243.
Since it has a total of 5 prime factors.
2 , 3 , 81 , 80 , 389 , 649 , 7333 , 6208 , 27850 , 6369 , 416618 , 609189 , 1942724 , 5933657 , 45811133 , 37860689 , 241068841 , 541527094 , 9328080004 , 5848348368
n×2
1373993736
n×3
2060990604
n×4
2747987472
n×5
3434984340
n÷2
343498434
n÷3
228998956
n÷3
171749217
n÷5
137399373.6
n2
471964696641809424
n3
3.2423826839949E+26
n4
2.227506748762E+35
n5
1.5302901598483E+44
2 √n
26210.625097468
3 √n
882.37173053531
4 √n
161.8969582712
5 √n
58.531674856502
1 , 2 , 3 , 4 , 6 , 12 , 73 , 146 , 219 , 292 , 438 , 876 , 784243 , 1568486 , 2352729 , 3136972 , 4705458 , 9410916 , 57249739 , 114499478 , 171749217 , 228998956 , 343498434 , 686996868
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-686996867
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 686996868 can be divided by 24 positive divisors.
The sum of these divisors (counting 686996868) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101000111100101011110110000100
3
Ternary
1202212201001112110
4
Quaternary
220330223312010
5
Quinary
2401332344433
6
Senary
152100421020
8
Octal
5074536604
10
Decimal
686996868
12
Duodecimal
1720a7770
16
Hexadecimal
28f2bd84
20
Vigesimal
aedec38
36
Base36
bd0q6c
md5
3586513a1f51f5c37544ee9dacd3c388
sha1
4763a0ed6319da1f436976ce7fd772b011f23aa8
sha256
f0ab67f35dae7cb0928c315217561bab930640de09a22f65ade5807d087bf33d
sha512
16ac19f70d82d18314f141d78283a26fa3855507ddb395b3040b93d01ca9370e5357ee592d369a53f5145559d79254099e14fc53dd1538e62c3fcd1e8946fd32
ripemd-160
4d7bba2e2d4574fb044fe186f0741607756b7a83
Diameter
1373993736
Circumference
4316528627.096
Area
1.4827208237236E+18
Volume
1.3581660826887E+27
Surface area
5.9308832948946E+18
Circumference
4316528627.096
Perimeter
2747987472
Area
471964696641809424
Diagonal
971560288.03344
Surface area
2831788179850856544
Volume
3.2423826839949E+26
Space diagonal
1189913480.0167
Perimeter
2060990604
Area
2.0436670849061E+17
Altitude
594956740.00834
Surface area
2.0436670849061E+17
Volume
3.8211846384244E+25
Height
323853429.34448