78827145 is an odd 8-digits composite number following 78827144
and preceding 78827146 . In scientific notation, it is written as 7.8827145 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 41928320 positive integers (up to 78827145) that are relatively prime to 78827145.
78827145 has 8 divisors, whose sum is 84307968
The reverse of 78827145 is 54172887
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million eight hundred twenty-seven thousand one hundred forty-five
Scientific notation
7.8827145 × 10^7
Engineering notation
7.8827145 × 10^6
Prime Factorization
15 × 383 × 13721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78827145
Product of the distinct prime numbers
The prime factorization of 78827145 is 15 × 383 × 13721.
Since it has a total of 3 prime factors.
10 , 9 , 42 , 100 , 352 , 16 , 9462 , 2280 , 92245 , 55385 , 67134 , 15597 , 4280226 , 57835 , 94734822 , 35427693 , 879229030 , 308459711 , 2754311655 , 9039081136
n×2
157654290
n×3
236481435
n×4
315308580
n×5
394135725
n÷2
39413572.5
n÷3
26275715
n÷3
19706786.25
n÷5
15765429
n2
6213718788851025
n3
4.8980971195798E+23
n4
3.861030118692E+31
n5
3.043539810155E+39
2 √n
8878.4652389926
3 √n
428.77086344881
4 √n
94.225608191153
5 √n
37.960782792584
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
-78827144
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 78827145 can be divided by 8 positive divisors.
The sum of these divisors (counting 78827145) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100101100111010001001
3
Ternary
12111022211111220
4
Quaternary
10230230322021
5
Quinary
130134432040
6
Senary
11453312253
8
Octal
454547211
10
Decimal
78827145
12
Duodecimal
22495689
16
Hexadecimal
4b2ce89
20
Vigesimal
14cd7h5
36
Base36
1axjex
md5
ec8ccd3c92ee7cdb9016e4e67183ecaf
sha1
861b2fd3dc8bc341684dc8231786a8d9b8e78bcb
sha256
2d1bab8e35d11628dab9876d6e1f23a17e610561b553ad88cfdab3aba40d8b86
sha512
1b5c4af97784e0d9692626c7595acabaaa87bb358308d057bec9dc526955e8c2f3dec22987933124853b5423915a3fc88620212c024c89a27fadeceb01fb402b
ripemd-160
8183623c7230fc84da182b8cf0e7288397ddf55e
Diameter
157654290
Circumference
495285559.27091
Area
1.9520973298527E+16
Volume
2.0517101236588E+24
Surface area
7.8083893194109E+16
Circumference
495285559.27091
Perimeter
315308580
Area
6213718788851025
Diagonal
111478417.54215
Surface area
37282312733106150
Volume
4.8980971195798E+23
Space diagonal
136532620.1556
Perimeter
236481435
Area
2.6906191615588E+15
Altitude
68266310.077799
Surface area
2.6906191615588E+15
Volume
5.7724628136087E+22
Height
37159472.51405