678248894 is an even 9-digits composite number following 678248893
and preceding 678248895 . In scientific notation, it is written as 6.78248894 × 10^8.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 336392160 positive integers (up to 678248894) that are relatively prime to 678248894.
678248894 has 16 divisors, whose sum is 1025589600
The reverse of 678248894 is 498842876
Previous prime number is 1223
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred seventy-eight million two hundred forty-eight thousand eight hundred ninety-four
Scientific notation
6.78248894 × 10^8
Engineering notation
6.78248894 × 10^6
Prime Factorization
2 × 149 × 1223 × 1861
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
678248894
Product of the distinct prime numbers
The prime factorization of 678248894 is 2 × 149 × 1223 × 1861.
Since it has a total of 4 prime factors.
8 , 8 , 82 , 58 , 301 , 295 , 1519 , 8126 , 28021 , 59890 , 618202 , 277278 , 7780451 , 5450267 , 90329339 , 83495568 , 436901007 , 922120337 , 5537472273 , 1322165418
n×2
1356497788
n×3
2034746682
n×4
2712995576
n×5
3391244470
n÷2
339124447
n÷3
226082964.66667
n÷3
169562223.5
n÷5
135649778.8
n2
460021562212223236
n3
3.1200911578659E+26
n4
2.1161983770017E+35
n5
1.435309208686E+44
2 √n
26043.21205228
3 √n
878.61045077773
4 √n
161.37909422314
5 √n
58.381845440875
1 , 2 , 149 , 298 , 1223 , 1861 , 2446 , 3722 , 182227 , 277289 , 364454 , 554578 , 2276003 , 4552006 , 339124447 , 678248894
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
-678248893
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 678248894 can be divided by 16 positive divisors.
The sum of these divisors (counting 678248894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000011011010100000110111110
3
Ternary
1202021020121120102
4
Quaternary
220123110012332
5
Quinary
2342112431034
6
Senary
151145121102
8
Octal
5033240676
10
Decimal
678248894
12
Duodecimal
16b189192
16
Hexadecimal
286d41be
20
Vigesimal
abj124e
36
Base36
b7t872
md5
df4e02f14edcc5b19107284acb108d72
sha1
483804034f2e74a0b4f3960ce8f25dae68a19f11
sha256
bb90ea70888fa3f6b9bdd2f9b790b5a8a3392209f0237467dac2b35e39b84e60
sha512
eff7ce5e88bb958ca451a31f4dde939e271bccd1a60243989b4f448255ca58af2d1ef63966746bc3a416383281a45fca4609dfa816c6b56b434dd0d0e8af45df
ripemd-160
a719f4eca37babe249c9790f63a11c516c654c64
Diameter
1356497788
Circumference
4261563485.3916
Area
1.4452003603388E+18
Volume
1.3069407280109E+27
Surface area
5.7808014413553E+18
Circumference
4261563485.3916
Perimeter
2712995576
Area
460021562212223236
Diagonal
959188784.55935
Surface area
2760129373273339416
Volume
3.1200911578659E+26
Space diagonal
1174761544.5854
Perimeter
2034746682
Area
1.9919517958219E+17
Altitude
587380772.2927
Surface area
1.9919517958219E+17
Volume
3.6770626927453E+25
Height
319729594.85312