81014915 (number)

81014915 is an odd 8-digits composite number following 81014914 and preceding 81014916. In scientific notation, it is written as 8.1014915 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 64811928 positive integers (up to 81014915) that are relatively prime to 81014915.

Interesting facts

Basic properties

Name

Name eighty-one million fourteen thousand nine hundred fifteen

Notation

Scientific notation 8.1014915 × 10^7
Engineering notation 8.1014915 × 10^6

Prime Factorization of 81014915

Prime Factorization 5 × 16202983

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81014915
Product of the distinct prime numbers

The prime factorization of 81014915 is 5 × 16202983. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81014915)

Multiplication

n×y
n×2 162029830
n×3 243044745
n×4 324059660
n×5 405074575

Division

n÷y
n÷2 40507457.5
n÷3 27004971.666667
n÷3 20253728.75
n÷5 16202983

Exponentiation

ny
n2 6563416452457225
n3 5.3173462600542E+23
n4 4.3078435528386E+31
n5 3.4899957926652E+39

Nth Root

y√n
2√n 9000.8285729704
3√n 432.70142644056
4√n 94.872696667536
5√n 38.169194603959

Divisors of 81014915

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 -81014914
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 81014915 can be divided by 4 positive divisors. The sum of these divisors (counting 81014915) is 1, the average is 0.25.

Base conversion 81014915

Base System Value
2 Binary 100110101000011000010000011
3 Ternary 12122102222120102
4 Quaternary 10311003002003
5 Quinary 131214434130
6 Senary 12012233015
8 Octal 465030203
10 Decimal 81014915
12 Duodecimal 2316b76b
16 Hexadecimal 4d43083
20 Vigesimal 1566h5f
36 Base36 1c8fib

Cryptographic Hash Functions

md5 597616aabb87d0ae1c7a892ee26d25ae
sha1 a5b9466b164a8e34bf9c431292f41bbb45b494ee
sha256 ac22136b4564b6ed719da6f6f9dcbaf85e36a371204f20c20f89f1d2abb44e88
sha512 45c9b495042116cc8735ca77a8eeb74d729c49703f4fa956433eebd3f93ea3d2d069ac05e86c0d50395d92f93cb31218f4b9e5b8346a26866e180455053696d4
ripemd-160 50fc67448d034a65b21734cc7fd75bd53b1f3e05

81014915 as geometric shapes

Circle

Radius = n
Diameter 162029830
Circumference 509031723.5904
Area 2.061958090949E+16

Sphere

Radius = n
Volume 2.2273247929573E+24
Surface area 8.247832363796E+16
Circumference 509031723.5904

Square

Length = n
Perimeter 324059660
Area 6563416452457225
Diagonal 114572391.5475

Cube

Length = n
Surface area 39380498714743350
Volume 5.3173462600542E+23
Space diagonal 140321948.95087

Equilateral Triangle

Length = n
Perimeter 243044745
Area 2.8420426917223E+15
Altitude 70160974.475437

Triangular Pyramid

Length = n
Surface area 2.8420426917223E+15
Volume 6.2665526640021E+22
Height 38190797.182501