678981942 is an even 9-digits composite number following 678981941
and preceding 678981943 . In scientific notation, it is written as 6.78981942 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 216486864 positive integers (up to 678981942) that are relatively prime to 678981942.
678981942 has 16 divisors, whose sum is 1180838880
The reverse of 678981942 is 249189876
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 54
Digital Root 9
Name
six hundred seventy-eight million nine hundred eighty-one thousand nine hundred forty-two
Scientific notation
6.78981942 × 10^8
Engineering notation
6.78981942 × 10^6
Prime Factorization
2 × 9 × 23 × 1640053
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
678981942
Product of the distinct prime numbers
The prime factorization of 678981942 is 2 × 9 × 23 × 1640053.
Since it has a total of 4 prime factors.
9 , 9 , 69 , 45 , 13 , 269 , 4668 , 6905 , 61644 , 24867 , 252838 , 366897 , 6349092 , 2013784 , 27653210 , 87536460 , 636144452 , 606494126 , 7622895244 , 6362394976
n×2
1357963884
n×3
2036945826
n×4
2715927768
n×5
3394909710
n÷2
339490971
n÷3
226327314
n÷3
169745485.5
n÷5
135796388.4
n2
461016477562091364
n3
3.1302186322911E+26
n4
2.1253619258376E+35
n5
1.4430823678581E+44
2 √n
26057.281938069
3 √n
878.92686939881
4 √n
161.42268099021
5 √n
58.394459749758
1 , 2 , 9 , 18 , 23 , 46 , 207 , 414 , 1640053 , 3280106 , 14760477 , 29520954 , 37721219 , 75442438 , 339490971 , 678981942
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
-678981941
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 678981942 can be divided by 16 positive divisors.
The sum of these divisors (counting 678981942) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000011110000111000100110110
3
Ternary
1202022121212010100
4
Quaternary
220132013010312
5
Quinary
2342304410232
6
Senary
151212534530
8
Octal
5036070466
10
Decimal
678981942
12
Duodecimal
16b481446
16
Hexadecimal
28787136
20
Vigesimal
ac3ceh2
36
Base36
b88xti
md5
21bdd0840bc3fc81f0323dffb62328a5
sha1
d05364e8db608908b5751b5b2e702ebbddae161d
sha256
4b84a6e4000e5310eb8fa3ee2a882b669b22def64fa36f7c3762adbe88c1b44d
sha512
2938aa6e33c62203b56616a549720b9dcf6bda75aecbac86711305e499f961f7e97628b666050d308b1fc18ab054325f55e6903e5967cf258611271158700e68
ripemd-160
53950848d192ad72e7b845866d7604b7b8da2e4a
Diameter
1357963884
Circumference
4266169361.8147
Area
1.4483259790929E+18
Volume
1.3111829145781E+27
Surface area
5.7933039163716E+18
Circumference
4266169361.8147
Perimeter
2715927768
Area
461016477562091364
Diagonal
960225470.98282
Surface area
2766098865372548184
Volume
3.1302186322911E+26
Space diagonal
1176031220.9658
Perimeter
2036945826
Area
1.9962599056599E+17
Altitude
588015610.48289
Surface area
1.9962599056599E+17
Volume
3.6889980358158E+25
Height
320075156.99427