78388568 is an even 8-digits composite number following 78388567
and preceding 78388569 . In scientific notation, it is written as 7.8388568 × 10^7.
The sum of its digits is 53. It has a total of 5 prime factors and 16 positive divisors.
There are 38657088 positive integers (up to 78388568) that are relatively prime to 78388568.
78388568 has 16 divisors, whose sum is 148993080
The reverse of 78388568 is 86588387
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
seventy-eight million three hundred eighty-eight thousand five hundred sixty-eight
Scientific notation
7.8388568 × 10^7
Engineering notation
7.8388568 × 10^6
Prime Factorization
2 × 2 × 2 × 73 × 134227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19597142
Product of the distinct prime numbers
The prime factorization of 78388568 is 2 × 2 × 2 × 73 × 134227.
Since it has a total of 5 prime factors.
8 , 4 , 67 , 46 , 992 , 727 , 5263 , 1810 , 29945 , 81241 , 510489 , 912899 , 8396522 , 6880775 , 99708836 , 96692944 , 528183638 , 191456128 , 3814063311 , 2601637844
n×2
156777136
n×3
235165704
n×4
313554272
n×5
391942840
n÷2
39194284
n÷3
26129522.666667
n÷3
19597142
n÷5
15677713.6
n2
6144767593090624
n3
4.8167953231518E+23
n4
3.7758168773097E+31
n5
2.9598087804254E+39
2 √n
8853.73186854
3 √n
427.97418832897
4 √n
94.094271178111
5 √n
37.918447370295
1 , 2 , 4 , 8 , 73 , 146 , 292 , 584 , 134227 , 268454 , 536908 , 1073816 , 9798571 , 19597142 , 39194284 , 78388568
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
-78388567
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 78388568 can be divided by 16 positive divisors.
The sum of these divisors (counting 78388568) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011000001110101011000
3
Ternary
12110111112220022
4
Quaternary
10223001311120
5
Quinary
130031413233
6
Senary
11440050012
8
Octal
453016530
10
Decimal
78388568
12
Duodecimal
22303908
16
Hexadecimal
4ac1d58
20
Vigesimal
149ib88
36
Base36
1ao508
md5
c82d20f8d5dbb6dbfd22df7e6154fc78
sha1
370b0fb49b874a3f28e0ec69b90cfa22aeb6676d
sha256
618c6593ed8e04fe7cf9a31044819ff812fbe0d0ebb9d778de638fe517a101df
sha512
bc9e7e93480876027f5d521f8250b10c3ce090e10a3425c7a0b48ca0e67fee9d43c1d35ecf3b3bef57eed7220f5fb878e22e1fd9ae1fb5fd479c88e472f967f3
ripemd-160
ac0d8bec3f45fd17741d9f0c9fe98985987f9cd3
Diameter
156777136
Circumference
492529898.70845
Area
1.930435672847E+16
Volume
2.0176545068079E+24
Surface area
7.7217426913881E+16
Circumference
492529898.70845
Perimeter
313554272
Area
6144767593090624
Diagonal
110858176.00061
Surface area
36868605558543744
Volume
4.8167953231518E+23
Space diagonal
135772982.50857
Perimeter
235165704
Area
2.6607624179839E+15
Altitude
67886491.254284
Surface area
2.6607624179839E+15
Volume
5.6766477276472E+22
Height
36952725.333535