81684927 (number)

81684927 is an odd 8-digits composite number following 81684926 and preceding 81684928. In scientific notation, it is written as 8.1684927 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 53956368 positive integers (up to 81684927) that are relatively prime to 81684927.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred eighty-four thousand nine hundred twenty-seven

Notation

Scientific notation 8.1684927 × 10^7
Engineering notation 8.1684927 × 10^6

Prime Factorization of 81684927

Prime Factorization 9 × 109 × 83267

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81684927
Product of the distinct prime numbers

The prime factorization of 81684927 is 9 × 109 × 83267. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81684927)

Multiplication

n×y
n×2 163369854
n×3 245054781
n×4 326739708
n×5 408424635

Division

n÷y
n÷2 40842463.5
n÷3 27228309
n÷3 20421231.75
n÷5 16336985.4

Exponentiation

ny
n2 6672427298995329
n3 5.4503673683124E+23
n4 4.4521286060378E+31
n5 3.6367180017881E+39

Nth Root

y√n
2√n 9037.9713984942
3√n 433.89099990126
4√n 95.068246005142
5√n 38.232120388064

Divisors of 81684927

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81684926
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81684927 can be divided by 8 positive divisors. The sum of these divisors (counting 81684927) is 1, the average is 0.125.

Base conversion 81684927

Base System Value
2 Binary 100110111100110100110111111
3 Ternary 12200201000122200
4 Quaternary 10313212212333
5 Quinary 131402404202
6 Senary 12034442543
8 Octal 467464677
10 Decimal 81684927
12 Duodecimal 23433453
16 Hexadecimal 4de69bf
20 Vigesimal 15aac67
36 Base36 1cmshr

Cryptographic Hash Functions

md5 a232d0a4fc7d0299bcb8a180cec0d868
sha1 5e314e8d38c97c3b513a249eee5e7cda623267e5
sha256 501943b963e80afe210465f52b6e16c207dcb46ff2487884fc3ab1ee92accae4
sha512 a95e45f9ab5008f3ce1c7850cdd2512833b1810b4185ffca74e90d077f480631c6c79434b2c3b6f943b6f55168ddf7db5febb81be6704f90c306aecc8da002f2
ripemd-160 96b12b28e2e5f18dd94ef1affbde2169c0f0924d

81684927 as geometric shapes

Circle

Radius = n
Diameter 163369854
Circumference 513241533.14444
Area 2.0962048584136E+16

Sphere

Radius = n
Volume 2.2830445444874E+24
Surface area 8.3848194336543E+16
Circumference 513241533.14444

Square

Length = n
Perimeter 326739708
Area 6672427298995329
Diagonal 115519931.60486

Cube

Length = n
Surface area 40034563793971974
Volume 5.4503673683124E+23
Space diagonal 141482443.77655

Equilateral Triangle

Length = n
Perimeter 245054781
Area 2.8892457729174E+15
Altitude 70741221.888277

Triangular Pyramid

Length = n
Surface area 2.8892457729174E+15
Volume 6.423319543486E+22
Height 38506643.868285