81504015 (number)

81504015 is an odd 8-digits composite number following 81504014 and preceding 81504016. In scientific notation, it is written as 8.1504015 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 41180832 positive integers (up to 81504015) that are relatively prime to 81504015.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred four thousand fifteen

Notation

Scientific notation 8.1504015 × 10^7
Engineering notation 8.1504015 × 10^6

Prime Factorization of 81504015

Prime Factorization 3 × 5 × 19 × 285979

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81504015
Product of the distinct prime numbers

The prime factorization of 81504015 is 3 × 5 × 19 × 285979. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 60, 50, 947, 681, 7218, 3643, 70495, 61330, 342287, 634043, 1190395, 7345298, 66657881, 5203012, 801100812, 810015651, 9532690061, 5314204404

Basic calculations (n = 81504015)

Multiplication

n×y
n×2 163008030
n×3 244512045
n×4 326016060
n×5 407520075

Division

n÷y
n÷2 40752007.5
n÷3 27168005
n÷3 20376003.75
n÷5 16300803

Exponentiation

ny
n2 6642904461120225
n3 5.4142338484271E+23
n4 4.4128179679571E+31
n5 3.5966238185264E+39

Nth Root

y√n
2√n 9027.9574101787
3√n 433.57044255691
4√n 95.015564041786
5√n 38.215170418851

Divisors of 81504015

1, 3, 5, 15, 19, 57, 95, 285, 285979, 857937, 1429895, 4289685, 5433601, 16300803, 27168005, 81504015

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 -81504014
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 81504015 can be divided by 16 positive divisors. The sum of these divisors (counting 81504015) is 1, the average is 0.0625.

Base conversion 81504015

Base System Value
2 Binary 100110110111010011100001111
3 Ternary 12200100211111020
4 Quaternary 10312322130033
5 Quinary 131331112030
6 Senary 12030525223
8 Octal 466723417
10 Decimal 81504015
12 Duodecimal 23366813
16 Hexadecimal 4dba70f
20 Vigesimal 159800f
36 Base36 1ciwwf

Cryptographic Hash Functions

md5 2f12e1c47ca6c3cdb632d1dda0ad4971
sha1 e8b55c5e6c55e5a79ad9d1430e20c8196a514032
sha256 b6c85bd6636384f4b7b6fcf8f1ddf0c4b84d51a374ed30061ac92e009bbdc199
sha512 332dff4b379c46268449303e34a35c03f3e8154a891ccce52665142b793b675d48e99053542941edf5b7a4440e44c26a37a6e60ff75016a3dc79da4f3f687d43
ripemd-160 1d891629df7edfe7acef8c39d803fa12be8e00b5

81504015 as geometric shapes

Circle

Radius = n
Diameter 163008030
Circumference 512104829.52414
Area 2.0869299853554E+16

Sphere

Radius = n
Volume 2.2679089710714E+24
Surface area 8.3477199414217E+16
Circumference 512104829.52414

Square

Length = n
Perimeter 326016060
Area 6642904461120225
Diagonal 115264083.40086

Cube

Length = n
Surface area 39857426766721350
Volume 5.4142338484271E+23
Space diagonal 141169095.00086

Equilateral Triangle

Length = n
Perimeter 244512045
Area 2.8764620091215E+15
Altitude 70584547.500428

Triangular Pyramid

Length = n
Surface area 2.8764620091215E+15
Volume 6.3807357819209E+22
Height 38421361.13362