78587428 is an even 8-digits composite number following 78587427
and preceding 78587429 . In scientific notation, it is written as 7.8587428 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 6 positive divisors.
There are 39293712 positive integers (up to 78587428) that are relatively prime to 78587428.
78587428 has 6 divisors, whose sum is 137528006
The reverse of 78587428 is 82478587
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-eight million five hundred eighty-seven thousand four hundred twenty-eight
Scientific notation
7.8587428 × 10^7
Engineering notation
7.8587428 × 10^6
Prime Factorization
2 × 2 × 19646857
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
39293714
Product of the distinct prime numbers
The prime factorization of 78587428 is 2 × 2 × 19646857.
Since it has a total of 3 prime factors.
2 , 6 , 24 , 28 , 863 , 560 , 2913 , 9780 , 39869 , 85425 , 344784 , 589564 , 6963214 , 8202234 , 96198404 , 37792721 , 327939402 , 723002323 , 1312093747 , 148120788
n×2
157174856
n×3
235762284
n×4
314349712
n×5
392937140
n÷2
39293714
n÷3
26195809.333333
n÷3
19646857
n÷5
15717485.6
n2
6175983839655184
n3
4.8535468532807E+23
n4
3.8142776387682E+31
n5
2.9975426930871E+39
2 √n
8864.9550478274
3 √n
428.33578476528
4 √n
94.153890242663
5 √n
37.9376665566
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78587427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78587428 can be divided by 6 positive divisors.
The sum of these divisors (counting 78587428) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100101011110010011000100100
3
Ternary
12110212122200111
4
Quaternary
10223302120210
5
Quinary
130104244203
6
Senary
11444222404
8
Octal
453623044
10
Decimal
78587428
12
Duodecimal
2239aa04
16
Hexadecimal
4af2624
20
Vigesimal
14b38b8
36
Base36
1aseg4
md5
51bb1066307bd94e46010393b6ebe366
sha1
e60bb3439e6efd435b21f2b37f24ecbc0ade8bc7
sha256
110558b53cb92ff0d09b471ea9b95bec660552eeb9a123542e989ecaa5727485
sha512
dd61da44b761782f4c3f2822df695f905a6b9f6cca29261e3325347ea58149b4bd53450c86aa7253075735e6101631808b519b539ad57a32b2ec40a8ece2e82f
ripemd-160
a1492916af8dc147c41de16c2ad27c0785ae2ef2
Diameter
157174856
Circumference
493779372.93863
Area
1.940242545935E+16
Volume
2.0330489517494E+24
Surface area
7.76097018374E+16
Circumference
493779372.93863
Perimeter
314349712
Area
6175983839655184
Diagonal
111139406.50962
Surface area
37055903037931104
Volume
4.8535468532807E+23
Space diagonal
136117418.13216
Perimeter
235762284
Area
2.6742794492518E+15
Altitude
68058709.06608
Surface area
2.6742794492518E+15
Volume
5.719959821269E+22
Height
37046468.83654