87081289 (number)

87081289 is an odd 8-digits composite number following 87081288 and preceding 87081290. In scientific notation, it is written as 8.7081289 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 82868016 positive integers (up to 87081289) that are relatively prime to 87081289.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-one thousand two hundred eighty-nine

Notation

Scientific notation 8.7081289 × 10^7
Engineering notation 8.7081289 × 10^6

Prime Factorization of 87081289

Prime Factorization 4531 × 19219

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87081289
Product of the distinct prime numbers

The prime factorization of 87081289 is 4531 × 19219. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87081289)

Multiplication

n×y
n×2 174162578
n×3 261243867
n×4 348325156
n×5 435406445

Division

n÷y
n÷2 43540644.5
n÷3 29027096.333333
n÷3 21770322.25
n÷5 17416257.8

Exponentiation

ny
n2 7583150893901521
n3 6.6035055452245E+23
n4 5.7504177479679E+31
n5 5.0075378978153E+39

Nth Root

y√n
2√n 9331.7355834807
3√n 443.24272512135
4√n 96.600908812913
5√n 38.724424281152

Divisors of 87081289

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 -87081288
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 87081289 can be divided by 4 positive divisors. The sum of these divisors (counting 87081289) is 1, the average is 0.25.

Base conversion 87081289

Base System Value
2 Binary 101001100001100000101001001
3 Ternary 20001212012001221
4 Quaternary 11030030011021
5 Quinary 134243100124
6 Senary 12350242041
8 Octal 514140511
10 Decimal 87081289
12 Duodecimal 251b6321
16 Hexadecimal 530c149
20 Vigesimal 1745349
36 Base36 1fugcp

Cryptographic Hash Functions

md5 43bbf309b5270dfa7fd1202351e9c0c3
sha1 5a53dcd8cea2e990f1895321fa3a3740a929fcfd
sha256 6486bb04964cb5e38e0805fd619f33f050ffb45e23e7e03285425a56be12f92e
sha512 c33fb8ae154cd5e8608f98263a79c7fbbf76a1ba88bd78b234dee2b706d13cd67969072189a0b89d8c0233a16125731c23994f8b00dcc71ec2f87e3eb906664a
ripemd-160 9534786926247b2d267c930e5e5a234441e5836f

87081289 as geometric shapes

Circle

Radius = n
Diameter 174162578
Circumference 547147875.57506
Area 2.3823171139344E+16

Sphere

Radius = n
Volume 2.7660699345089E+24
Surface area 9.5292684557376E+16
Circumference 547147875.57506

Square

Length = n
Perimeter 348325156
Area 7583150893901521
Diagonal 123151539.93273

Cube

Length = n
Surface area 45498905363409126
Volume 6.6035055452245E+23
Space diagonal 150829216.93659

Equilateral Triangle

Length = n
Perimeter 261243867
Area 3.2836006574247E+15
Altitude 75414608.468294

Triangular Pyramid

Length = n
Surface area 3.2836006574247E+15
Volume 7.7823059177187E+22
Height 41050513.31091