86612981 is an odd 8-digits composite number following 86612980
and preceding 86612982 . In scientific notation, it is written as 8.6612981 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 68528880 positive integers (up to 86612981) that are relatively prime to 86612981.
86612981 has 8 divisors, whose sum is 106600704
The reverse of 86612981 is 18921668
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-six million six hundred twelve thousand nine hundred eighty-one
Scientific notation
8.6612981 × 10^7
Engineering notation
8.6612981 × 10^6
Prime Factorization
7 × 13 × 951791
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
86612981
Product of the distinct prime numbers
The prime factorization of 86612981 is 7 × 13 × 951791.
Since it has a total of 3 prime factors.
4 , 3 , 52 , 15 , 924 , 144 , 1142 , 274 , 29051 , 61121 , 479449 , 484725 , 143369 , 2848970 , 25414871 , 74107872 , 880645990 , 233073623 , 1905918708 , 8773816400
n×2
173225962
n×3
259838943
n×4
346451924
n×5
433064905
n÷2
43306490.5
n÷3
28870993.666667
n÷3
21653245.25
n÷5
17322596.2
n2
7501808477706361
n3
6.4975399514522E+23
n4
5.6277130436187E+31
n5
4.874330029204E+39
2 √n
9306.6095330147
3 √n
442.44673579782
4 √n
96.470770355661
5 √n
38.682683753644
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
-86612980
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 86612981 can be divided by 8 positive divisors.
The sum of these divisors (counting 86612981) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001010011001101111110101
3
Ternary
20000222101200012
4
Quaternary
11022121233311
5
Quinary
134133103411
6
Senary
12332230005
8
Octal
512315765
10
Decimal
86612981
12
Duodecimal
2500b305
16
Hexadecimal
5299bf5
20
Vigesimal
1716c91
36
Base36
1fkf05
md5
db8bfe7f3540c2b3f1c16e74061d5e82
sha1
6a7ef7b6ee592f81f21c6a8ae597a3714037b44b
sha256
f0d06ca218bd2f4a18b58d11fcff30580f0f43e03b507d9b2292733b0186a530
sha512
0859752a1329002d12caf45dafeda2f19b4eeaaf72aec2b50ca2bd92a23571fc3f8ecb124faa1c14696711865f845dc049191643567a0e9e9ff65672400a824e
ripemd-160
95e638d5d40ed533e3333267207f2d70b077624a
Diameter
173225962
Circumference
544205409.63022
Area
2.35676264022E+16
Volume
2.7216831703851E+24
Surface area
9.42705056088E+16
Circumference
544205409.63022
Perimeter
346451924
Area
7501808477706361
Diagonal
122489252.40776
Surface area
45010850866238166
Volume
6.4975399514522E+23
Space diagonal
150018083.687
Perimeter
259838943
Area
3.2483783580096E+15
Altitude
75009041.843499
Surface area
3.2483783580096E+15
Volume
7.6574242678373E+22
Height
40829750.802588