87130985 (number)

87130985 is an odd 8-digits composite number following 87130984 and preceding 87130986. In scientific notation, it is written as 8.7130985 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 69704784 positive integers (up to 87130985) that are relatively prime to 87130985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7130985 × 10^7
Engineering notation 8.7130985 × 10^6

Prime Factorization of 87130985

Prime Factorization 5 × 17426197

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87130985
Product of the distinct prime numbers

The prime factorization of 87130985 is 5 × 17426197. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 3, 73, 29, 336, 687, 697, 8468, 42162, 98834, 259427, 378811, 4564405, 3198617, 60408577, 94952429, 517597433, 981889178, 2078687755, 3419387474

Basic calculations (n = 87130985)

Multiplication

n×y
n×2 174261970
n×3 261392955
n×4 348523940
n×5 435654925

Division

n÷y
n÷2 43565492.5
n÷3 29043661.666667
n÷3 21782746.25
n÷5 17426197

Exponentiation

ny
n2 7591808547070225
n3 6.6148175663765E+23
n4 5.7635557015369E+31
n5 5.0218428537727E+39

Nth Root

y√n
2√n 9334.3979452346
3√n 443.32702643649
4√n 96.61468804087
5√n 38.728843163462

Divisors of 87130985

1, 5, 17426197, 87130985

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 -87130984
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 87130985 can be divided by 4 positive divisors. The sum of these divisors (counting 87130985) is 1, the average is 0.25.

Base conversion 87130985

Base System Value
2 Binary 101001100011000001101101001
3 Ternary 20001221201020112
4 Quaternary 11030120031221
5 Quinary 134301142420
6 Senary 12351304105
8 Octal 514301551
10 Decimal 87130985
12 Duodecimal 2521b035
16 Hexadecimal 5318369
20 Vigesimal 174b795
36 Base36 1fvip5

Cryptographic Hash Functions

md5 764b4f7ea1970e652e06ec8d57b0eae5
sha1 9cf21c401510d497297375fb5135697a5339b879
sha256 ce6ecbbbe25469673ac4c2368d549f24c4cc1b78841abc8cc1ea938e608fcf3e
sha512 9e0dfadc1f19542eee76f07580768dc61d908689fb3a0b51cffdf872400c74ade4e837b6a47e0eff24eaf59ad459ef8afb250f259ec2a5400763353fb9236737
ripemd-160 268c40482144bc4b68dd3e8aa89f689dee3940c1

87130985 as geometric shapes

Circle

Radius = n
Diameter 174261970
Circumference 547460124.75208
Area 2.3850369958936E+16

Sphere

Radius = n
Volume 2.7708083028487E+24
Surface area 9.5401479835744E+16
Circumference 547460124.75208

Square

Length = n
Perimeter 348523940
Area 7591808547070225
Diagonal 123221820.68993

Cube

Length = n
Surface area 45550851282421350
Volume 6.6148175663765E+23
Space diagonal 150915292.93352

Equilateral Triangle

Length = n
Perimeter 261392955
Area 3.2873495312153E+15
Altitude 75457646.466761

Triangular Pyramid

Length = n
Surface area 3.2873495312153E+15
Volume 7.7956372624945E+22
Height 41073940.229976