78668895 is an odd 8-digits composite number following 78668894
and preceding 78668896 . In scientific notation, it is written as 7.8668895 × 10^7.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 41902080 positive integers (up to 78668895) that are relatively prime to 78668895.
78668895 has 16 divisors, whose sum is 126034272
The reverse of 78668895 is 59886687
Previous prime number is 881
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
seventy-eight million six hundred sixty-eight thousand eight hundred ninety-five
Scientific notation
7.8668895 × 10^7
Engineering notation
7.8668895 × 10^6
Prime Factorization
3 × 5 × 881 × 5953
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78668895
Product of the distinct prime numbers
The prime factorization of 78668895 is 3 × 5 × 881 × 5953.
Since it has a total of 4 prime factors.
2 , 2 , 99 , 90 , 624 , 889 , 4894 , 421 , 58958 , 60491 , 241495 , 540573 , 2705551 , 9236445 , 73078492 , 50811724 , 253990569 , 732444207 , 4002592900 , 2427773409
n×2
157337790
n×3
236006685
n×4
314675580
n×5
393344475
n÷2
39334447.5
n÷3
26222965
n÷3
19667223.75
n÷5
15733779
n2
6188795040521025
n3
4.8686566721927E+23
n4
3.8301184053578E+31
n5
3.0131118266866E+39
2 √n
8869.5487483862
3 √n
428.48374388654
4 √n
94.178281723475
5 √n
37.945528850075
1 , 3 , 5 , 15 , 881 , 2643 , 4405 , 5953 , 13215 , 17859 , 29765 , 89295 , 5244593 , 15733779 , 26222965 , 78668895
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
-78668894
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 78668895 can be divided by 16 positive divisors.
The sum of these divisors (counting 78668895) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100000110010001011111
3
Ternary
12111000210102210
4
Quaternary
10230012101133
5
Quinary
130114401040
6
Senary
11450051503
8
Octal
454062137
10
Decimal
78668895
12
Duodecimal
22419b93
16
Hexadecimal
4b0645f
20
Vigesimal
14bdc4f
36
Base36
1au5b3
md5
8705b198212ddd3d4b00f3417f854336
sha1
c5385db2ec405b5c5a4bdd8d2d441c0b94f610b0
sha256
3648001078b29460b022e8fcf18bb01d153deb8d40e06a8d3d90729a31e33aa6
sha512
2aa1d87306cae7abb920d28dde57767ecd13d0b0208d6ad1ddbd3d8fb7ac9d48d9f2535ea2be4cc7638cb6b74f940457f140439627dc9f77469a335c2914fd70
ripemd-160
bb116b17d3006f3eb198feaac59e2b8ef49df263
Diameter
157337790
Circumference
494291245.19605
Area
1.9442673033874E+16
Volume
2.0393781378949E+24
Surface area
7.7770692135495E+16
Circumference
494291245.19605
Perimeter
314675580
Area
6188795040521025
Diagonal
111254618.2459
Surface area
37132770243126150
Volume
4.8686566721927E+23
Space diagonal
136258523.1153
Perimeter
236006685
Area
2.6798268619532E+15
Altitude
68129261.557651
Surface area
2.6798268619532E+15
Volume
5.7377669136276E+22
Height
37084872.748635