78668818 is an even 8-digits composite number following 78668817
and preceding 78668819 . In scientific notation, it is written as 7.8668818 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 39147780 positive integers (up to 78668818) that are relatively prime to 78668818.
78668818 has 8 divisors, whose sum is 118563120
The reverse of 78668818 is 81886687
Previous prime number is 211
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
seventy-eight million six hundred sixty-eight thousand eight hundred eighteen
Scientific notation
7.8668818 × 10^7
Engineering notation
7.8668818 × 10^6
Prime Factorization
2 × 211 × 186419
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78668818
Product of the distinct prime numbers
The prime factorization of 78668818 is 2 × 211 × 186419.
Since it has a total of 3 prime factors.
6 , 2 , 43 , 91 , 922 , 420 , 2884 , 2943 , 94072 , 46016 , 149387 , 521068 , 181322 , 9255988 , 65865959 , 63621047 , 379022663 , 44640917 , 4228671175 , 5667566441
n×2
157337636
n×3
236006454
n×4
314675272
n×5
393344090
n÷2
39334409
n÷3
26222939.333333
n÷3
19667204.5
n÷5
15733763.6
n2
6188782925517124
n3
4.8686423760901E+23
n4
3.8301034099172E+31
n5
3.0130970807596E+39
2 √n
8869.5444076908
3 √n
428.48360408856
4 √n
94.178258678375
5 √n
37.945521421962
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
-78668817
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 78668818 can be divided by 8 positive divisors.
The sum of these divisors (counting 78668818) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100000110010000010010
3
Ternary
12111000210022221
4
Quaternary
10230012100102
5
Quinary
130114400233
6
Senary
11450051254
8
Octal
454062022
10
Decimal
78668818
12
Duodecimal
22419b2a
16
Hexadecimal
4b06412
20
Vigesimal
14bdc0i
36
Base36
1au58y
md5
ac825f9b36b3edb94aa0d738567f1f8a
sha1
92d7b7bc1cbede011841a020306cebb606ce07ad
sha256
7c8e6eb7fac937890283e491000dca8744a78eb55c79abc6b21f18a2460f79c1
sha512
33190bb61d861c438c5fd87ba1c713a1c4a5e56e9b511e5b1a79b0767195e48feaba89d10d8ef4561e0cefec43642fe6322c10d00ca074360f7a26e409e99078
ripemd-160
7cf20b81253306b200209416e93dda8fb0f3a724
Diameter
157337636
Circumference
494290761.39078
Area
1.9442634973467E+16
Volume
2.0393721495574E+24
Surface area
7.7770539893866E+16
Circumference
494290761.39078
Perimeter
314675272
Area
6188782925517124
Diagonal
111254509.35146
Surface area
37132697553102744
Volume
4.8686423760901E+23
Space diagonal
136258389.74739
Perimeter
236006454
Area
2.6798216160026E+15
Altitude
68129194.873695
Surface area
2.6798216160026E+15
Volume
5.7377500655092E+22
Height
37084836.450487