81994967 (number)

81994967 is an odd 8-digits prime number following 81994966 and preceding 81994968. In scientific notation, it is written as 8.1994967 × 10^7. The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors. There are 81994966 positive integers (up to 81994967) that are relatively prime to 81994967.

Interesting facts

Basic properties

Name

Name eighty-one million nine hundred ninety-four thousand nine hundred sixty-seven

Notation

Scientific notation 8.1994967 × 10^7
Engineering notation 8.1994967 × 10^6

Prime Factorization of 81994967

Prime Factorization 81994967

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81994967
Product of the distinct prime numbers

The prime factorization of 81994967 is 81994967. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81994967)

Multiplication

n×y
n×2 163989934
n×3 245984901
n×4 327979868
n×5 409974835

Division

n÷y
n÷2 40997483.5
n÷3 27331655.666667
n÷3 20498741.75
n÷5 16398993.4

Exponentiation

ny
n2 6723174613331089
n3 5.5126648055532E+23
n4 4.520107688134E+31
n5 3.7062608072499E+39

Nth Root

y√n
2√n 9055.1072329377
3√n 434.43925986845
4√n 95.158327186525
5√n 38.261098883043

Divisors of 81994967

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81994968
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40997484
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9055.1072881551
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999756083
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81994967 can be divided by 2 positive divisors. The sum of these divisors (counting 81994967) is 81994968, the average is 40997484.

Base conversion 81994967

Base System Value
2 Binary 100111000110010010011010111
3 Ternary 12201021202221122
4 Quaternary 10320302103113
5 Quinary 131442314332
6 Senary 12045234155
8 Octal 470622327
10 Decimal 81994967
12 Duodecimal 2356295b
16 Hexadecimal 4e324d7
20 Vigesimal 15c9787
36 Base36 1ctfpz

Cryptographic Hash Functions

md5 16d77599335d7918774bf551eed2c2b9
sha1 3b6e7fc14fd0115477887b3fba0e0cb1b63882bd
sha256 4ba6b1d6493f05f9ffe3cb0447dbab1a3eb182dc100c620398b4806e4df4d2b9
sha512 49cd577fee689ecb66dce66cfb8279b782c8f39f18207fb3140ee36b1689a1f9764462547a36f9d0a748236006abae8d71586373e3e4431870e024cff4fe5006
ripemd-160 d7e6babe77dad798520dd5377378489fab6d822e

81994967 as geometric shapes

Circle

Radius = n
Diameter 163989934
Circumference 515189571.91708
Area 2.1121475974042E+16

Sphere

Radius = n
Volume 2.3091396339772E+24
Surface area 8.4485903896169E+16
Circumference 515189571.91708

Square

Length = n
Perimeter 327979868
Area 6723174613331089
Diagonal 115958394.37773

Cube

Length = n
Surface area 40339047679986534
Volume 5.5126648055532E+23
Space diagonal 142019448.80893

Equilateral Triangle

Length = n
Perimeter 245984901
Area 2.9112200046117E+15
Altitude 71009724.404467

Triangular Pyramid

Length = n
Surface area 2.9112200046117E+15
Volume 6.4967377773585E+22
Height 38652798.125911