87081649 (number)

87081649 is an odd 8-digits composite number following 87081648 and preceding 87081650. In scientific notation, it is written as 8.7081649 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 86560036 positive integers (up to 87081649) that are relatively prime to 87081649.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7081649 × 10^7
Engineering notation 8.7081649 × 10^6

Prime Factorization of 87081649

Prime Factorization 167 × 521447

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87081649
Product of the distinct prime numbers

The prime factorization of 87081649 is 167 × 521447. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87081649)

Multiplication

n×y
n×2 174163298
n×3 261244947
n×4 348326596
n×5 435408245

Division

n÷y
n÷2 43540824.5
n÷3 29027216.333333
n÷3 21770412.25
n÷5 17416329.8

Exponentiation

ny
n2 7583213592559201
n3 6.6035874435927E+23
n4 5.7505128390375E+31
n5 5.0076414061905E+39

Nth Root

y√n
2√n 9331.7548724771
3√n 443.24333591908
4√n 96.601008651448
5√n 38.724456298982

Divisors of 87081649

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87081648
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87081649 can be divided by 4 positive divisors. The sum of these divisors (counting 87081649) is 1, the average is 0.25.

Base conversion 87081649

Base System Value
2 Binary 101001100001100001010110001
3 Ternary 20001212012120021
4 Quaternary 11030030022301
5 Quinary 134243103044
6 Senary 12350243441
8 Octal 514141261
10 Decimal 87081649
12 Duodecimal 251b6581
16 Hexadecimal 530c2b1
20 Vigesimal 1745429
36 Base36 1fugmp

Cryptographic Hash Functions

md5 94b9bf8d87e80e55c361534873da79af
sha1 38402aeb767bc56d3332596f239ea5331a79769e
sha256 2a546bbf37e997e45c73a38830dd1191595994639c8b0258cf7511bc2318a515
sha512 d291df70cdfabb9c5cb8198b8021cb689797c8b533f0c17bbd44de7fc4263ed1f53f12f73d19f11ea671ab5eed030de3141baf92e221ffaef8d7b97c24ab6bbf
ripemd-160 f93bebd6fd95f9950e306234066c8082785963d5

87081649 as geometric shapes

Circle

Radius = n
Diameter 174163298
Circumference 547150137.52177
Area 2.3823368112986E+16

Sphere

Radius = n
Volume 2.7661042400171E+24
Surface area 9.5293472451945E+16
Circumference 547150137.52177

Square

Length = n
Perimeter 348326596
Area 7583213592559201
Diagonal 123152049.04961

Cube

Length = n
Surface area 45499281555355206
Volume 6.6035874435927E+23
Space diagonal 150829840.47488

Equilateral Triangle

Length = n
Perimeter 261244947
Area 3.2836278067399E+15
Altitude 75414920.23744

Triangular Pyramid

Length = n
Surface area 3.2836278067399E+15
Volume 7.7824024358712E+22
Height 41050683.016538