86787978 is an even 8-digits composite number following 86787977
and preceding 86787979 . In scientific notation, it is written as 8.6787978 × 10^7.
The sum of its digits is 60. It has a total of 5 prime factors and 32 positive divisors.
There are 28416960 positive integers (up to 86787978) that are relatively prime to 86787978.
86787978 has 32 divisors, whose sum is 176674560
The reverse of 86787978 is 87978768
Previous prime number is 277
Is Prime? no
Number parity even
Number length 8
Sum of Digits 60
Digital Root 6
Name
eighty-six million seven hundred eighty-seven thousand nine hundred seventy-eight
Scientific notation
8.6787978 × 10^7
Engineering notation
8.6787978 × 10^6
Prime Factorization
2 × 3 × 79 × 277 × 661
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
86787978
Product of the distinct prime numbers
The prime factorization of 86787978 is 2 × 3 × 79 × 277 × 661.
Since it has a total of 5 prime factors.
10 , 3 , 14 , 90 , 145 , 381 , 9313 , 6792 , 74334 , 39382 , 68106 , 466140 , 7669097 , 7542908 , 36013872 , 86015830 , 474426032 , 969256658 , 6785142089 , 2220682186
n×2
173575956
n×3
260363934
n×4
347151912
n×5
433939890
n÷2
43393989
n÷3
28929326
n÷3
21696994.5
n÷5
17357595.6
n2
7532153125328484
n3
6.5370033973364E+23
n4
5.6733330703396E+31
n5
4.923771056953E+39
2 √n
9316.0065478723
3 √n
442.74451550454
4 √n
96.519462016074
5 √n
38.698302404113
1 , 2 , 3 , 6 , 79 , 158 , 237 , 277 , 474 , 554 , 661 , 831 , 1322 , 1662 , 1983 , 3966 , 21883 , 43766 , 52219 , 65649 , 104438 , 131298 , 156657 , 183097 , 313314 , 366194 , 549291 , 1098582 , 14464663 , 28929326 , 43393989 , 86787978
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-86787977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 86787978 can be divided by 32 positive divisors.
The sum of these divisors (counting 86787978) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101001011000100011110001010
3
Ternary
20001022021201120
4
Quaternary
11023010132022
5
Quinary
134204203403
6
Senary
12340100110
8
Octal
513043612
10
Decimal
86787978
12
Duodecimal
25094636
16
Hexadecimal
52c478a
20
Vigesimal
17289ii
36
Base36
1fo616
md5
942cbb51c29c8fe72027de6398745ab5
sha1
6bb80b6148c4abcc46b8f2549051674b49944c31
sha256
64f9f72b6029e84d4a880ecb99d3ebc34410dd6606b023c6814fd9491d474835
sha512
b77267d562d21e650a094176526d06c434d7238e4308f6a7146d89728732af63cc11ce0eded7f3f7d6bc6a9a1dfe79e02dbc0df899e574cc78fe246b1250eba0
ripemd-160
34ba774f58c579ee66bbe2d6085f0c4ffbd05b00
Diameter
173575956
Circumference
545304948.20943
Area
2.3662956924245E+16
Volume
2.7382135799418E+24
Surface area
9.4651827696981E+16
Circumference
545304948.20943
Perimeter
347151912
Area
7532153125328484
Diagonal
122736735.53854
Surface area
45192918751970904
Volume
6.5370033973364E+23
Space diagonal
150321187.38217
Perimeter
260363934
Area
3.2615179758644E+15
Altitude
75160593.691085
Surface area
3.2615179758644E+15
Volume
7.7039323848268E+22
Height
40912245.179513