87081731 (number)

87081731 is an odd 8-digits composite number following 87081730 and preceding 87081732. In scientific notation, it is written as 8.7081731 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 74998440 positive integers (up to 87081731) that are relatively prime to 87081731.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-one thousand seven hundred thirty-one

Notation

Scientific notation 8.7081731 × 10^7
Engineering notation 8.7081731 × 10^6

Prime Factorization of 87081731

Prime Factorization 11 × 19 × 416659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 87081731
Product of the distinct prime numbers

The prime factorization of 87081731 is 11 × 19 × 416659. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87081731)

Multiplication

n×y
n×2 174163462
n×3 261245193
n×4 348326924
n×5 435408655

Division

n÷y
n÷2 43540865.5
n÷3 29027243.666667
n÷3 21770432.75
n÷5 17416346.2

Exponentiation

ny
n2 7583227873956361
n3 6.6036060983157E+23
n4 5.7505344988349E+31
n5 5.0076649833376E+39

Nth Root

y√n
2√n 9331.7592660763
3√n 443.243475045
4√n 96.601031392404
5√n 38.724463591918

Divisors of 87081731

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 -87081730
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 87081731 can be divided by 8 positive divisors. The sum of these divisors (counting 87081731) is 1, the average is 0.125.

Base conversion 87081731

Base System Value
2 Binary 101001100001100001100000011
3 Ternary 20001212012200022
4 Quaternary 11030030030003
5 Quinary 134243103411
6 Senary 12350244055
8 Octal 514141403
10 Decimal 87081731
12 Duodecimal 251b662b
16 Hexadecimal 530c303
20 Vigesimal 174546b
36 Base36 1fugoz

Cryptographic Hash Functions

md5 b24e78373a1c9d0af561dec959be7b24
sha1 14533bf704cf6d4e7e568fcc1cac8f5d9be096a2
sha256 9cb1b16d697add721e42d153e6e4f2af8b3ab990f152a6894f736730473fac03
sha512 6537d38556e37e29fe263dff16a37bf4d47ecc1d25a423dc3072728a34c1a48021bb13444c1570857567062ac192a99f0ff54d781981eea21929836ff36ba36c
ripemd-160 f04a894b8c5e1a02f5f3ad1f2257e208a0a0ac22

87081731 as geometric shapes

Circle

Radius = n
Diameter 174163462
Circumference 547150652.74297
Area 2.3823412979319E+16

Sphere

Radius = n
Volume 2.7661120540892E+24
Surface area 9.5293651917275E+16
Circumference 547150652.74297

Square

Length = n
Perimeter 348326924
Area 7583227873956361
Diagonal 123152165.01513

Cube

Length = n
Surface area 45499367243738166
Volume 6.6036060983157E+23
Space diagonal 150829982.50305

Equilateral Triangle

Length = n
Perimeter 261245193
Area 3.2836339907662E+15
Altitude 75414991.251523

Triangular Pyramid

Length = n
Surface area 3.2836339907662E+15
Volume 7.7824244206731E+22
Height 41050721.671709