87081687 (number)

87081687 is an odd 8-digits composite number following 87081686 and preceding 87081688. In scientific notation, it is written as 8.7081687 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 45236880 positive integers (up to 87081687) that are relatively prime to 87081687.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7081687 × 10^7
Engineering notation 8.7081687 × 10^6

Prime Factorization of 87081687

Prime Factorization 9 × 7 × 11 × 125659

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 87081687
Product of the distinct prime numbers

The prime factorization of 87081687 is 9 × 7 × 11 × 125659. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 9, 77, 903, 943, 2906, 7636, 47547, 59090, 499696, 420485, 7226102, 1734852, 55385026, 63639548, 220057961, 259570552, 8361583542, 4445248832

Basic calculations (n = 87081687)

Multiplication

n×y
n×2 174163374
n×3 261245061
n×4 348326748
n×5 435408435

Division

n÷y
n÷2 43540843.5
n÷3 29027229
n÷3 21770421.75
n÷5 17416337.4

Exponentiation

ny
n2 7583220210765969
n3 6.60359608846E+23
n4 5.7505228764969E+31
n5 5.0076523321745E+39

Nth Root

y√n
2√n 9331.7569085355
3√n 443.24340039208
4√n 96.601019189942
5√n 38.724459678636

Divisors of 87081687

1, 7, 9, 11, 63, 77, 99, 693, 125659, 879613, 1130931, 1382249, 7916517, 9675743, 12440241, 87081687

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87081686
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87081687 can be divided by 16 positive divisors. The sum of these divisors (counting 87081687) is 1, the average is 0.0625.

Base conversion 87081687

Base System Value
2 Binary 101001100001100001011010111
3 Ternary 20001212012121200
4 Quaternary 11030030023113
5 Quinary 134243103222
6 Senary 12350243543
8 Octal 514141327
10 Decimal 87081687
12 Duodecimal 251b65b3
16 Hexadecimal 530c2d7
20 Vigesimal 1745447
36 Base36 1fugnr

Cryptographic Hash Functions

md5 879b8a9b11411f0598376adffe24b09f
sha1 22e2bb99c1253ec60b8f6caa7311cdaac768d1b9
sha256 bc9395820bf331dd441dfa0737b3a5c195ac86f8706a3b70668cc1d7ec8ccac7
sha512 fe1c9a71f3e0f02dacb7a955bff0dd5485f64aa7cdc36ff29992b50b1a955e5a2cb361a9b63f2e3d816d0df6a7faca274e8f98f8872b66b0074ec722fe3f961e
ripemd-160 f07aef5efc501dd8704d8eb1950aea07d3a09f2c

87081687 as geometric shapes

Circle

Radius = n
Diameter 174163374
Circumference 547150376.28281
Area 2.3823388904696E+16

Sphere

Radius = n
Volume 2.7661078611707E+24
Surface area 9.5293555618784E+16
Circumference 547150376.28281

Square

Length = n
Perimeter 348326748
Area 7583220210765969
Diagonal 123152102.78973

Cube

Length = n
Surface area 45499321264595814
Volume 6.60359608846E+23
Space diagonal 150829906.29281

Equilateral Triangle

Length = n
Perimeter 261245061
Area 3.2836306725075E+15
Altitude 75414953.146405

Triangular Pyramid

Length = n
Surface area 3.2836306725075E+15
Volume 7.782412623945E+22
Height 41050700.92991