78855986 is an even 8-digits composite number following 78855985
and preceding 78855987 . In scientific notation, it is written as 7.8855986 × 10^7.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 35843620 positive integers (up to 78855986) that are relatively prime to 78855986.
78855986 has 8 divisors, whose sum is 129037104
The reverse of 78855986 is 68955887
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
seventy-eight million eight hundred fifty-five thousand nine hundred eighty-six
Scientific notation
7.8855986 × 10^7
Engineering notation
7.8855986 × 10^6
Prime Factorization
2 × 11 × 3584363
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78855986
Product of the distinct prime numbers
The prime factorization of 78855986 is 2 × 11 × 3584363.
Since it has a total of 3 prime factors.
7 , 6 , 42 , 61 , 873 , 814 , 4427 , 2651 , 15787 , 71056 , 574423 , 900026 , 6862249 , 4835983 , 29772765 , 59968665 , 152822502 , 97974771 , 8555946769 , 6104808427
n×2
157711972
n×3
236567958
n×4
315423944
n×5
394279930
n÷2
39427993
n÷3
26285328.666667
n÷3
19713996.5
n÷5
15771197.2
n2
6218266528032196
n3
4.9034753827878E+23
n4
3.8666838613646E+31
n5
3.0491116843819E+39
2 √n
8880.0893013528
3 √n
428.82314946701
4 √n
94.234225742841
5 √n
37.963560177819
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
-78855985
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 78855986 can be divided by 8 positive divisors.
The sum of these divisors (counting 78855986) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100110011111100110010
3
Ternary
12111101022002002
4
Quaternary
10230303330302
5
Quinary
130141342421
6
Senary
11454054002
8
Octal
454637462
10
Decimal
78855986
12
Duodecimal
224aa302
16
Hexadecimal
4b33f32
20
Vigesimal
14cgjj6
36
Base36
1ay5o2
md5
8eb1b1d515e6d4df236feb1b8059cf0e
sha1
166e40cec64abd5fd91a30b14db7b522a939f328
sha256
61375f70c85160612d9c1f0c64ac4fc863650e4be5918d947f5bf5992fb2970e
sha512
09fb9d080903c6269fb2b4ec941716801a5833757d3184ae112473eb8dc2ddeebb480c640995996ef8590496ce9fb5b1512796aa24404a9ee93b6277b3d945ab
ripemd-160
ba9dd38fd3b2e0c5890d4f91fb41b8257bb8fe7e
Diameter
157711972
Circumference
495466772.61836
Area
1.9535260442529E+16
Volume
2.0539629652833E+24
Surface area
7.8141041770117E+16
Circumference
495466772.61836
Perimeter
315423944
Area
6218266528032196
Diagonal
111519204.8755
Surface area
37309599168193176
Volume
4.9034753827878E+23
Space diagonal
136582574.23294
Perimeter
236567958
Area
2.6925883903892E+15
Altitude
68291287.11647
Surface area
2.6925883903892E+15
Volume
5.7788011575842E+22
Height
37173068.291834