87156987 is an odd 8-digits composite number following 87156986
and preceding 87156988 . In scientific notation, it is written as 8.7156987 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 57369000 positive integers (up to 87156987) that are relatively prime to 87156987.
87156987 has 8 divisors, whose sum is 117680640
The reverse of 87156987 is 78965178
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
eighty-seven million one hundred fifty-six thousand nine hundred eighty-seven
Scientific notation
8.7156987 × 10^7
Engineering notation
8.7156987 × 10^6
Prime Factorization
3 × 79 × 367751
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87156987
Product of the distinct prime numbers
The prime factorization of 87156987 is 3 × 79 × 367751.
Since it has a total of 3 prime factors.
10 , 1 , 11 , 92 , 423 , 857 , 5457 , 7095 , 21339 , 26268 , 567146 , 385165 , 6106083 , 2217188 , 28726091 , 81944491 , 116116374 , 854502084 , 7445191265 , 4926797846
n×2
174313974
n×3
261470961
n×4
348627948
n×5
435784935
n÷2
43578493.5
n÷3
29052329
n÷3
21789246.75
n÷5
17431397.4
n2
7596340382918169
n3
6.6207414000157E+23
n4
5.7704387213153E+31
n5
5.0293405261798E+39
2 √n
9335.790646753
3 √n
443.37112189747
4 √n
96.621895276138
5 √n
38.731154412883
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
-87156986
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 87156987 can be divided by 8 positive divisors.
The sum of these divisors (counting 87156987) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001100011110100011111011
3
Ternary
20002000000220120
4
Quaternary
11030132203323
5
Quinary
134303010422
6
Senary
12352024323
8
Octal
514364373
10
Decimal
87156987
12
Duodecimal
252320a3
16
Hexadecimal
531e8fb
20
Vigesimal
174ec97
36
Base36
1fw2rf
md5
ed3f64d1d07c4f8e9a692b45ee2e2081
sha1
2cb8611469dbc559c7d4241b99128c823991502c
sha256
8304ca3c1aeea5e38eac07ec2879d933fc282d851887e52f61db264cd9b7df35
sha512
1e8ac3889ee562e12e8730c9be65c4a1d67a1500d3f3f144dd63d117560e4c159042b3f6c0449c8ee666e7ac7795664b03118f352beb26ad1502dbc47afe602b
ripemd-160
47cb1ede865c82070d4913647b7b542ecc3f82e7
Diameter
174313974
Circumference
547623500.13644
Area
2.3864607141143E+16
Volume
2.773289672481E+24
Surface area
9.5458428564573E+16
Circumference
547623500.13644
Perimeter
348627948
Area
7596340382918169
Diagonal
123258593.07098
Surface area
45578042297509014
Volume
6.6207414000157E+23
Space diagonal
150960329.71862
Perimeter
261470961
Area
3.2893118737004E+15
Altitude
75480164.85931
Surface area
3.2893118737004E+15
Volume
7.8026185673894E+22
Height
41086197.690325