81304857 (number)

81304857 is an odd 8-digits composite number following 81304856 and preceding 81304858. In scientific notation, it is written as 8.1304857 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 51350112 positive integers (up to 81304857) that are relatively prime to 81304857.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred four thousand eight hundred fifty-seven

Notation

Scientific notation 8.1304857 × 10^7
Engineering notation 8.1304857 × 10^6

Prime Factorization of 81304857

Prime Factorization 27 × 19 × 158489

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81304857
Product of the distinct prime numbers

The prime factorization of 81304857 is 27 × 19 × 158489. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81304857)

Multiplication

n×y
n×2 162609714
n×3 243914571
n×4 325219428
n×5 406524285

Division

n÷y
n÷2 40652428.5
n÷3 27101619
n÷3 20326214.25
n÷5 16260971.4

Exponentiation

ny
n2 6610479771790449
n3 5.3746411254682E+23
n4 4.3698442813251E+31
n5 3.552895644054E+39

Nth Root

y√n
2√n 9016.9205940831
3√n 433.21700618469
4√n 94.957467289746
5√n 38.196476108401

Divisors of 81304857

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 -81304856
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 81304857 can be divided by 8 positive divisors. The sum of these divisors (counting 81304857) is 1, the average is 0.125.

Base conversion 81304857

Base System Value
2 Binary 100110110001001110100011001
3 Ternary 12122222201022000
4 Quaternary 10312021310121
5 Quinary 131303223412
6 Senary 12022351213
8 Octal 466116431
10 Decimal 81304857
12 Duodecimal 2328b509
16 Hexadecimal 4d89d19
20 Vigesimal 158322h
36 Base36 1cen89

Cryptographic Hash Functions

md5 d057e006af1d6b965554a71488363cf0
sha1 744fc81e5fe8640850e986f52df1650921a46b88
sha256 fa18a42ca358b5aafabde96d162d5374e363f71ceaa980c92570464660ff2518
sha512 c729831604598c13fab5f5bc006d0d58bc9a96fd8da43871a7ad76068abd5b6cfbe12aeabfe254b2a57723a7d85d39e0c320ecf99caf2cad619e71e9dd1cbd0e
ripemd-160 daf5fd84992372a2e9432cdb066b4e01c08ea8c4

81304857 as geometric shapes

Circle

Radius = n
Diameter 162609714
Circumference 510853482.90474
Area 2.0767434687761E+16

Sphere

Radius = n
Volume 2.2513244100603E+24
Surface area 8.3069738751043E+16
Circumference 510853482.90474

Square

Length = n
Perimeter 325219428
Area 6610479771790449
Diagonal 114982431.45621

Cube

Length = n
Surface area 39662878630742694
Volume 5.3746411254682E+23
Space diagonal 140824143.22612

Equilateral Triangle

Length = n
Perimeter 243914571
Area 2.8624217067868E+15
Altitude 70412071.613061

Triangular Pyramid

Length = n
Surface area 2.8624217067868E+15
Volume 6.3340753104377E+22
Height 38327477.152068