678492894 is an even 9-digits composite number following 678492893
and preceding 678492895 . In scientific notation, it is written as 6.78492894 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 226117080 positive integers (up to 678492894) that are relatively prime to 678492894.
678492894 has 16 divisors, whose sum is 1357269120
The reverse of 678492894 is 498294876
Previous prime number is 6679
Is Prime? no
Number parity even
Number length 9
Sum of Digits 57
Digital Root 3
Name
six hundred seventy-eight million four hundred ninety-two thousand eight hundred ninety-four
Scientific notation
6.78492894 × 10^8
Engineering notation
6.78492894 × 10^6
Prime Factorization
2 × 3 × 6679 × 16931
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
678492894
Product of the distinct prime numbers
The prime factorization of 678492894 is 2 × 3 × 6679 × 16931.
Since it has a total of 4 prime factors.
4 , 9 , 26 , 90 , 361 , 886 , 8465 , 9529 , 12102 , 43107 , 108202 , 685894 , 8184770 , 7962598 , 41510241 , 96441059 , 69087697 , 202673147 , 2092060530 , 9398426970
n×2
1356985788
n×3
2035478682
n×4
2713971576
n×5
3392464470
n÷2
339246447
n÷3
226164298
n÷3
169623223.5
n÷5
135698578.8
n2
460352607208495236
n3
3.1234597272534E+26
n4
2.1192452296366E+35
n5
1.4378928289518E+44
2 √n
26047.896153049
3 √n
878.71579816528
4 √n
161.39360629544
5 √n
58.38604540964
1 , 2 , 3 , 6 , 6679 , 13358 , 16931 , 20037 , 33862 , 40074 , 50793 , 101586 , 113082149 , 226164298 , 339246447 , 678492894
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-678492893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 678492894 can be divided by 16 positive divisors.
The sum of these divisors (counting 678492894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000011100001111101011011110
3
Ternary
1202021201000021110
4
Quaternary
220130033223132
5
Quinary
2342143233034
6
Senary
151154242450
8
Octal
5034175336
10
Decimal
678492894
12
Duodecimal
16b286426
16
Hexadecimal
2870fade
20
Vigesimal
ac0bc4e
36
Base36
b7yggu
md5
c36911b804a7854ce3844d46b3eae8d7
sha1
001106c1fe4010eccb671635560b3a4916f22ff3
sha256
c78569230d8b22e43ef108f0eb0e69f2834538be8cbf63c5a101d14a720921b0
sha512
8ee8d3517e5a5de0103d220b43be118bdbd454cf5ac726c3f1818fb49dc059cec3af7cc35c62e84c01d45ddd8474e5354033681230f6dea4f699eb1b3a004687
ripemd-160
1ec729ab87783db2db3b820502c2bc6499212a2b
Diameter
1356985788
Circumference
4263096582.6066
Area
1.4462403688671E+18
Volume
1.3083517510564E+27
Surface area
5.7849614754685E+18
Circumference
4263096582.6066
Perimeter
2713971576
Area
460352607208495236
Diagonal
959533852.66857
Surface area
2762115643250971416
Volume
3.1234597272534E+26
Space diagonal
1175184164.9824
Perimeter
2035478682
Area
1.9933852627048E+17
Altitude
587592082.49122
Surface area
1.9933852627048E+17
Volume
3.6810325898399E+25
Height
319844617.55619