78855888 is an even 8-digits composite number following 78855887
and preceding 78855889 . In scientific notation, it is written as 7.8855888 × 10^7.
The sum of its digits is 57. It has a total of 6 prime factors and 20 positive divisors.
There are 26285280 positive integers (up to 78855888) that are relatively prime to 78855888.
78855888 has 20 divisors, whose sum is 203711168
The reverse of 78855888 is 88855887
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 57
Digital Root 3
Name
seventy-eight million eight hundred fifty-five thousand eight hundred eighty-eight
Scientific notation
7.8855888 × 10^7
Engineering notation
7.8855888 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 1642831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9856986
Product of the distinct prime numbers
The prime factorization of 78855888 is 2 × 2 × 2 × 2 × 3 × 1642831.
Since it has a total of 6 prime factors.
7 , 3 , 74 , 16 , 65 , 527 , 4328 , 7294 , 45529 , 70401 , 5696 , 285008 , 2033254 , 2645628 , 44172839 , 24324650 , 995426572 , 371895296 , 1473138962 , 2366114147
n×2
157711776
n×3
236567664
n×4
315423552
n×5
394279440
n÷2
39427944
n÷3
26285296
n÷3
19713972
n÷5
15771177.6
n2
6218251072268544
n3
4.9034571011069E+23
n4
3.8666646397769E+31
n5
3.0490927376781E+39
2 √n
8880.0837833885
3 √n
428.82297182383
4 √n
94.234196464917
5 √n
37.963550741805
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 1642831 , 3285662 , 4928493 , 6571324 , 9856986 , 13142648 , 19713972 , 26285296 , 39427944 , 78855888
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78855887
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78855888 can be divided by 20 positive divisors.
The sum of these divisors (counting 78855888) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101100110011111011010000
3
Ternary
12111101021221110
4
Quaternary
10230303323100
5
Quinary
130141342023
6
Senary
11454053320
8
Octal
454637320
10
Decimal
78855888
12
Duodecimal
224aa240
16
Hexadecimal
4b33ed0
20
Vigesimal
14cgje8
36
Base36
1ay5lc
md5
2b83759c861e964d40975c7c7fa8853f
sha1
4a9e18ac531fdf709c91d609ff1574507f31e889
sha256
f636f50d9a9bc979be2071ce76a475fccd32045c584deeb46e5a7dfb4df6623b
sha512
92e92edf7ce3b371b63371b482d3083ada312bab56427c507eeb02a0c57284cf0f02b854081cb6c3641b908d3a47829b040ee3c121b88f8d17a9584dee43d303
ripemd-160
b77e683755f0dc60c6cac2eab871157d4509c1d2
Diameter
157711776
Circumference
495466156.8662
Area
1.9535211886816E+16
Volume
2.0539553074707E+24
Surface area
7.8140847547263E+16
Circumference
495466156.8662
Perimeter
315423552
Area
6218251072268544
Diagonal
111519066.28257
Surface area
37309506433611264
Volume
4.9034571011069E+23
Space diagonal
136582404.49196
Perimeter
236567664
Area
2.6925816978472E+15
Altitude
68291202.24598
Surface area
2.6925816978472E+15
Volume
5.7787796124167E+22
Height
37173022.094191