87156987 (number)

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.

Interesting facts

Basic properties

Name

Name eighty-seven million one hundred fifty-six thousand nine hundred eighty-seven

Notation

Scientific notation 8.7156987 × 10^7
Engineering notation 8.7156987 × 10^6

Prime Factorization of 87156987

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.

Most popular turbo-numbers

Basic calculations (n = 87156987)

Multiplication

n×y
n×2 174313974
n×3 261470961
n×4 348627948
n×5 435784935

Division

n÷y
n÷2 43578493.5
n÷3 29052329
n÷3 21789246.75
n÷5 17431397.4

Exponentiation

ny
n2 7596340382918169
n3 6.6207414000157E+23
n4 5.7704387213153E+31
n5 5.0293405261798E+39

Nth Root

y√n
2√n 9335.790646753
3√n 443.37112189747
4√n 96.621895276138
5√n 38.731154412883

Divisors of 87156987

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 conversion 87156987

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

Cryptographic Hash Functions

md5 ed3f64d1d07c4f8e9a692b45ee2e2081
sha1 2cb8611469dbc559c7d4241b99128c823991502c
sha256 8304ca3c1aeea5e38eac07ec2879d933fc282d851887e52f61db264cd9b7df35
sha512 1e8ac3889ee562e12e8730c9be65c4a1d67a1500d3f3f144dd63d117560e4c159042b3f6c0449c8ee666e7ac7795664b03118f352beb26ad1502dbc47afe602b
ripemd-160 47cb1ede865c82070d4913647b7b542ecc3f82e7

87156987 as geometric shapes

Circle

Radius = n
Diameter 174313974
Circumference 547623500.13644
Area 2.3864607141143E+16

Sphere

Radius = n
Volume 2.773289672481E+24
Surface area 9.5458428564573E+16
Circumference 547623500.13644

Square

Length = n
Perimeter 348627948
Area 7596340382918169
Diagonal 123258593.07098

Cube

Length = n
Surface area 45578042297509014
Volume 6.6207414000157E+23
Space diagonal 150960329.71862

Equilateral Triangle

Length = n
Perimeter 261470961
Area 3.2893118737004E+15
Altitude 75480164.85931

Triangular Pyramid

Length = n
Surface area 3.2893118737004E+15
Volume 7.8026185673894E+22
Height 41086197.690325