87081231 (number)

87081231 is an odd 8-digits composite number following 87081230 and preceding 87081232. In scientific notation, it is written as 8.7081231 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 58054152 positive integers (up to 87081231) that are relatively prime to 87081231.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7081231 × 10^7
Engineering notation 8.7081231 × 10^6

Prime Factorization of 87081231

Prime Factorization 3 × 29027077

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87081231
Product of the distinct prime numbers

The prime factorization of 87081231 is 3 × 29027077. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87081231)

Multiplication

n×y
n×2 174162462
n×3 261243693
n×4 348324924
n×5 435406155

Division

n÷y
n÷2 43540615.5
n÷3 29027077
n÷3 21770307.75
n÷5 17416246.2

Exponentiation

ny
n2 7583140792475361
n3 6.6034923505507E+23
n4 5.7504024278504E+31
n5 5.007521221626E+39

Nth Root

y√n
2√n 9331.7324758053
3√n 443.24262671489
4√n 96.600892727787
5√n 38.724419122714

Divisors of 87081231

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 -87081230
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 87081231 can be divided by 4 positive divisors. The sum of these divisors (counting 87081231) is 1, the average is 0.25.

Base conversion 87081231

Base System Value
2 Binary 101001100001100000100001111
3 Ternary 20001212011222210
4 Quaternary 11030030010033
5 Quinary 134243044411
6 Senary 12350241503
8 Octal 514140417
10 Decimal 87081231
12 Duodecimal 251b6293
16 Hexadecimal 530c10f
20 Vigesimal 174531b
36 Base36 1fugb3

Cryptographic Hash Functions

md5 57374850a87fb3ed189ee33997dab752
sha1 fdf1e5bcf7a861a41e5afe70d6a40b1f16654899
sha256 d4ebc6d81908d338cf59df354189226f59bfed5dfc66771c36266113e69d2be4
sha512 5cbe3af13cb052e4715e1f7840e258823f6e7778594e043e7e46d4db715bfb2bcf7aaa989527ec39126b93ee237da5d05d020bfc9320e97ed89f24f35a03de31
ripemd-160 28d8e07b8099b7d0412e12334617b22cdc10174f

87081231 as geometric shapes

Circle

Radius = n
Diameter 174162462
Circumference 547147511.15031
Area 2.3823139404778E+16

Sphere

Radius = n
Volume 2.7660644075369E+24
Surface area 9.5292557619111E+16
Circumference 547147511.15031

Square

Length = n
Perimeter 348324924
Area 7583140792475361
Diagonal 123151457.90834

Cube

Length = n
Surface area 45498844754852166
Volume 6.6034923505507E+23
Space diagonal 150829116.47764

Equilateral Triangle

Length = n
Perimeter 261243693
Area 3.2835962833789E+15
Altitude 75414558.238821

Triangular Pyramid

Length = n
Surface area 3.2835962833789E+15
Volume 7.7822903676465E+22
Height 41050485.969448