81015094 (number)

81015094 is an even 8-digits composite number following 81015093 and preceding 81015095. In scientific notation, it is written as 8.1015094 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 40507546 positive integers (up to 81015094) that are relatively prime to 81015094.

Interesting facts

Basic properties

Name

Name eighty-one million fifteen thousand ninety-four

Notation

Scientific notation 8.1015094 × 10^7
Engineering notation 8.1015094 × 10^6

Prime Factorization of 81015094

Prime Factorization 2 × 40507547

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81015094
Product of the distinct prime numbers

The prime factorization of 81015094 is 2 × 40507547. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81015094)

Multiplication

n×y
n×2 162030188
n×3 243045282
n×4 324060376
n×5 405075470

Division

n÷y
n÷2 40507547
n÷3 27005031.333333
n÷3 20253773.5
n÷5 16203018.8

Exponentiation

ny
n2 6563445455828836
n3 5.3173815056785E+23
n4 4.307881625164E+31
n5 3.4900343480354E+39

Nth Root

y√n
2√n 9000.8385164939
3√n 432.70174512055
4√n 94.87274907208
5√n 38.169211470679

Divisors of 81015094

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 -81015093
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 81015094 can be divided by 4 positive divisors. The sum of these divisors (counting 81015094) is 1, the average is 0.25.

Base conversion 81015094

Base System Value
2 Binary 100110101000011000100110110
3 Ternary 12122102222211001
4 Quaternary 10311003010312
5 Quinary 131214440334
6 Senary 12012233514
8 Octal 465030466
10 Decimal 81015094
12 Duodecimal 2316b89a
16 Hexadecimal 4d43136
20 Vigesimal 1566hee
36 Base36 1c8fna

Cryptographic Hash Functions

md5 211159ac219899f4edd7c9f16cf01622
sha1 714f2088b5cb5e155d39ee8104e81ee1b86855fc
sha256 f19594c73f9234992fe7d5419d04c64f036a104b597f1562d70928b191a12f65
sha512 cf0c6fe95e46c122991357112a6c4fa59ffc04f2f69417857aec3864a42c7d90f1ca1587618617f73ac499913934e4b142ddc6d70cb62f8d1f1f0e1f871bd24e
ripemd-160 6cb9f345e90706e05f1b9d85781b2d2e3eab28dc

81015094 as geometric shapes

Circle

Radius = n
Diameter 162030188
Circumference 509032848.28057
Area 2.0619672026269E+16

Sphere

Radius = n
Volume 2.2273395566098E+24
Surface area 8.2478688105077E+16
Circumference 509032848.28057

Square

Length = n
Perimeter 324060376
Area 6563445455828836
Diagonal 114572644.69173

Cube

Length = n
Surface area 39380672734973016
Volume 5.3173815056785E+23
Space diagonal 140322258.98797

Equilateral Triangle

Length = n
Perimeter 243045282
Area 2.8420552505507E+15
Altitude 70161129.493984

Triangular Pyramid

Length = n
Surface area 2.8420552505507E+15
Volume 6.2665942013686E+22
Height 38190881.56391