87081949 (number)

87081949 is an odd 8-digits composite number following 87081948 and preceding 87081950. In scientific notation, it is written as 8.7081949 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 87062364 positive integers (up to 87081949) that are relatively prime to 87081949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7081949 × 10^7
Engineering notation 8.7081949 × 10^6

Prime Factorization of 87081949

Prime Factorization 6823 × 12763

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87081949
Product of the distinct prime numbers

The prime factorization of 87081949 is 6823 × 12763. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87081949)

Multiplication

n×y
n×2 174163898
n×3 261245847
n×4 348327796
n×5 435409745

Division

n÷y
n÷2 43540974.5
n÷3 29027316.333333
n÷3 21770487.25
n÷5 17416389.8

Exponentiation

ny
n2 7583265841638601
n3 6.6036556927501E+23
n4 5.7505920824963E+31
n5 5.0077276644774E+39

Nth Root

y√n
2√n 9331.7709466103
3√n 443.24384491591
4√n 96.60109184999
5√n 38.724482980427

Divisors of 87081949

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 -87081948
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 87081949 can be divided by 4 positive divisors. The sum of these divisors (counting 87081949) is 1, the average is 0.25.

Base conversion 87081949

Base System Value
2 Binary 101001100001100001111011101
3 Ternary 20001212012222101
4 Quaternary 11030030033131
5 Quinary 134243110244
6 Senary 12350245101
8 Octal 514141735
10 Decimal 87081949
12 Duodecimal 251b6791
16 Hexadecimal 530c3dd
20 Vigesimal 17454h9
36 Base36 1fugv1

Cryptographic Hash Functions

md5 baa79fc160f2678e3af11c5e0e2170cb
sha1 a37d52163adec7bc6e3564dd8ab331c3e4f556f8
sha256 1580dce2de03f01204c333f44578e7d1eb8106688002afa7b4edef823f024727
sha512 edf33a7779708d5e24eab699a2b29939056c08c594efb3a53a2548e9b68b837316a3d3390cfd20bc9dec493e4585f587e754ca7349b147a2f306996044d1b4c4
ripemd-160 f1e3ae39533b3ffc460877c0fbc71fc9da9c763f

87081949 as geometric shapes

Circle

Radius = n
Diameter 174163898
Circumference 547152022.47736
Area 2.382353225831E+16

Sphere

Radius = n
Volume 2.7661328281574E+24
Surface area 9.5294129033241E+16
Circumference 547152022.47736

Square

Length = n
Perimeter 348327796
Area 7583265841638601
Diagonal 123152473.31368

Cube

Length = n
Surface area 45499595049831606
Volume 6.6036556927501E+23
Space diagonal 150830360.09012

Equilateral Triangle

Length = n
Perimeter 261245847
Area 3.2836504312549E+15
Altitude 75415180.045061

Triangular Pyramid

Length = n
Surface area 3.2836504312549E+15
Volume 7.7824828682746E+22
Height 41050824.437894