78889428 is an even 8-digits composite number following 78889427
and preceding 78889429 . In scientific notation, it is written as 7.8889428 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 26296464 positive integers (up to 78889428) that are relatively prime to 78889428.
78889428 has 12 divisors, whose sum is 153396180
The reverse of 78889428 is 82498887
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million eight hundred eighty-nine thousand four hundred twenty-eight
Scientific notation
7.8889428 × 10^7
Engineering notation
7.8889428 × 10^6
Prime Factorization
2 × 2 × 9 × 2191373
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39444714
Product of the distinct prime numbers
The prime factorization of 78889428 is 2 × 2 × 9 × 2191373.
Since it has a total of 4 prime factors.
9 , 2 , 4 , 38 , 733 , 528 , 719 , 6055 , 56052 , 48035 , 567491 , 707660 , 5003380 , 2514808 , 88813557 , 90916767 , 765685398 , 394044074 , 3974523520 , 4241956451
n×2
157778856
n×3
236668284
n×4
315557712
n×5
394447140
n÷2
39444714
n÷3
26296476
n÷3
19722357
n÷5
15777885.6
n2
6223541850167184
n3
4.9097165669375E+23
n4
3.8732473160782E+31
n5
3.0555826526795E+39
2 √n
8881.9720783168
3 √n
428.88376070581
4 √n
94.244215092051
5 √n
37.966779621599
1 , 2 , 4 , 9 , 18 , 36 , 2191373 , 4382746 , 8765492 , 19722357 , 39444714 , 78889428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78889427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78889428 can be divided by 12 positive divisors.
The sum of these divisors (counting 78889428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101100111100000111010100
3
Ternary
12111102222221200
4
Quaternary
10230330013110
5
Quinary
130143430203
6
Senary
11454512500
8
Octal
454740724
10
Decimal
78889428
12
Duodecimal
22505730
16
Hexadecimal
4b3c1d4
20
Vigesimal
14d13b8
36
Base36
1ayvh0
md5
cab57a56799cca4fe8c5f98317620633
sha1
2d5ea96cdd7e31da8440e2cbe6a3b85e0446eeaf
sha256
8746450e521455d096afaa971d02e8c7a1c6847b08f28acb660eead5937179f7
sha512
0507ed101ce056a102ab74b9303ebd6cbd8ee973d45e0f7646bf5b99db496630146488fae06512e4edcbefc5b710cf200a81c0108c534ddf38614884c0cf8905
ripemd-160
f1b9ee8e102474076214f44fc0ca3d169c029f9a
Diameter
157778856
Circumference
495676894.9014
Area
1.9551833355794E+16
Volume
2.0565772663865E+24
Surface area
7.8207333423175E+16
Circumference
495676894.9014
Perimeter
315557712
Area
6223541850167184
Diagonal
111566499.00546
Surface area
37341251101003104
Volume
4.9097165669375E+23
Space diagonal
136640497.47605
Perimeter
236668284
Area
2.6948726718802E+15
Altitude
68320248.738023
Surface area
2.6948726718802E+15
Volume
5.7861564636424E+22
Height
37188833.001819