86987887 is an odd 8-digits composite number following 86987886
and preceding 86987888 . In scientific notation, it is written as 8.6987887 × 10^7.
The sum of its digits is 61. It has a total of 4 prime factors and 8 positive divisors.
There are 74560752 positive integers (up to 86987887) that are relatively prime to 86987887.
86987887 has 8 divisors, whose sum is 101444000
The reverse of 86987887 is 78878968
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 61
Digital Root 7
Name
eighty-six million nine hundred eighty-seven thousand eight hundred eighty-seven
Scientific notation
8.6987887 × 10^7
Engineering notation
8.6987887 × 10^6
Prime Factorization
7 × 7 × 7 × 253609
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1775263
Product of the distinct prime numbers
The prime factorization of 86987887 is 7 × 7 × 7 × 253609.
Since it has a total of 4 prime factors.
7 , 4 , 3 , 17 , 736 , 21 , 3340 , 9642 , 57267 , 62510 , 999903 , 687755 , 8868297 , 6867888 , 94390755 , 53801776 , 315583377 , 926458606 , 9374203122 , 1517497292
n×2
173975774
n×3
260963661
n×4
347951548
n×5
434939435
n÷2
43493943.5
n÷3
28995962.333333
n÷3
21746971.75
n÷5
17397577.4
n2
7566892484724769
n3
6.5822798840239E+23
n4
5.7257861875384E+31
n5
4.9807404186775E+39
2 √n
9326.7297055292
3 √n
443.08419673986
4 √n
96.574995239602
5 √n
38.716113675037
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
-86987886
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 86987887 can be divided by 8 positive divisors.
The sum of these divisors (counting 86987887) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001011110101010001101111
3
Ternary
20001200102221121
4
Quaternary
11023311101233
5
Quinary
134232103022
6
Senary
12344241411
8
Octal
513652157
10
Decimal
86987887
12
Duodecimal
25170267
16
Hexadecimal
52f546f
20
Vigesimal
173d9e7
36
Base36
1fsga7
md5
a1fbe4e302f8cda49f717984eb736323
sha1
a61c608dd44920f23852bb40d1d203f95d689f76
sha256
f0405d40c42e365d8a5e197ca32a062168f4db2276110ce5dbfcdb0ae0fb7081
sha512
cfb558eb4e06c1ce41813f5ee9c51e7443543d35d314d4111ab0a376807d8f1f57a2304bced7b566ba8aadbcee301fd872d418c5d6a63cc78b89f18dc4902082
ripemd-160
5cd1aec089912a8a7e75290fd2cd388a8bdd08f6
Diameter
173975774
Circumference
546561013.501
Area
2.3772093840515E+16
Volume
2.7571789503362E+24
Surface area
9.5088375362061E+16
Circumference
546561013.501
Perimeter
347951548
Area
7566892484724769
Diagonal
123019449.55758
Surface area
45401354908348614
Volume
6.5822798840239E+23
Space diagonal
150667439.92706
Perimeter
260963661
Area
3.2765605597386E+15
Altitude
75333719.96353
Surface area
3.2765605597386E+15
Volume
7.7572912361018E+22
Height
41006483.185859