678984989 is an odd 9-digits composite number following 678984988
and preceding 678984990 . In scientific notation, it is written as 6.78984989 × 10^8.
The sum of its digits is 68. It has a total of 3 prime factors and 8 positive divisors.
There are 676601856 positive integers (up to 678984989) that are relatively prime to 678984989.
678984989 has 8 divisors, whose sum is 681373560
The reverse of 678984989 is 989489876
Previous prime number is 673
Is Prime? no Number parity odd Number length 9 Sum of Digits 68 Digital Root 5
Name
six hundred seventy-eight million nine hundred eighty-four thousand nine hundred eighty-nine
Scientific notation
6.78984989 × 10^8
Engineering notation
6.78984989 × 10^6
Prime Factorization
829 × 673 × 1217
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
678984989 Product of the distinct prime numbers
The prime factorization of 678984989 is 829 × 673 × 1217.
Since it has a total of 3 prime factors.
10 , 10 , 10 , 97 , 917 , 622 , 4675 , 261 , 28786 , 73053 , 576764 , 682583 , 7169214 , 3508963 , 97717454 , 24245814 , 353741422 , 191073257 , 3148924216 , 810065031
n×2
1357969978
n×3
2036954967
n×4
2715939956
n×5
3394924945
n÷2
339492494.5
n÷3
226328329.66667
n÷3
169746247.25
n÷5
135796997.8
n2
461020615287330121
n3
3.1302607739964E+26
n4
2.1254000771991E+35
n5
1.4431147480376E+44
2 √n26057.340405345
3 √n878.92818415452
4 √n161.42286209005
5 √n58.394512159871
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
-678984988 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 678984989 can be divided by 8 positive divisors.
The sum of these divisors (counting 678984989) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000011110000111110100011101
3
Ternary
1202022122000022012
4
Quaternary
220132013310131
5
Quinary
2342310004424
6
Senary
151213001005
8
Octal
5036076435
10
Decimal
678984989
12
Duodecimal
16b483165
16
Hexadecimal
28787d1d
20
Vigesimal
ac3d299
36
Base36
b89065
md5
04ac170e52b6a96b659b8707d3bf6b50
sha1
46116e6ad10c324b92b7d4476f9dd2d66081a7f4
sha256
51816f49819dc47472001d7007399bd2f57df8ecf8df84bd8a12b4ba83a4cc05
sha512
33a39bf26a99b0861e68f002a414f2fdd18a5e113be5609ac9b096a2b1fc1f147d40f937546e734965297e2775cbd89068ca644f867a1a497e9b90f4bafcd8d2
ripemd-160
668cb1e80bba43f741406fdf2748a9a77eb20767
Diameter
1357969978
Circumference
4266188506.6803
Area
1.4483389781401E+18
Volume
1.3112005668543E+27
Surface area
5.7933559125605E+18
Circumference
4266188506.6803
Perimeter
2715939956
Area
461020615287330121
Diagonal
960229780.09155
Surface area
2766123691723980726
Volume
3.1302607739964E+26
Space diagonal
1176036498.5246
Perimeter
2036954967
Area
1.9962778225358E+17
Altitude
588018249.2623
Surface area
1.9962778225358E+17
Volume
3.6890477002919E+25
Height
320076593.36385