81175984 (number)

81175984 is an even 8-digits composite number following 81175983 and preceding 81175985. In scientific notation, it is written as 8.1175984 × 10^7. The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors. There are 40277120 positive integers (up to 81175984) that are relatively prime to 81175984.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred seventy-five thousand nine hundred eighty-four

Notation

Scientific notation 8.1175984 × 10^7
Engineering notation 8.1175984 × 10^6

Prime Factorization of 81175984

Prime Factorization 2 × 2 × 2 × 2 × 131 × 38729

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10146998
Product of the distinct prime numbers

The prime factorization of 81175984 is 2 × 2 × 2 × 2 × 131 × 38729. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 4, 36, 55, 905, 266, 5784, 9323, 534, 24624, 813216, 721061, 6268740, 738575, 14319330, 17528129, 189061361, 971268220, 3115949171, 1150431325

Basic calculations (n = 81175984)

Multiplication

n×y
n×2 162351968
n×3 243527952
n×4 324703936
n×5 405879920

Division

n÷y
n÷2 40587992
n÷3 27058661.333333
n÷3 20293996
n÷5 16235196.8

Exponentiation

ny
n2 6589540378368256
n3 5.3491242432178E+23
n4 4.3422042398146E+31
n5 3.5248270189592E+39

Nth Root

y√n
2√n 9009.7715842301
3√n 432.9879936294
4√n 94.91981660449
5√n 38.184359689785

Divisors of 81175984

1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 38729, 77458, 154916, 309832, 619664, 5073499, 10146998, 20293996, 40587992, 81175984

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81175983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81175984 can be divided by 20 positive divisors. The sum of these divisors (counting 81175984) is 1, the average is 0.05.

Base conversion 81175984

Base System Value
2 Binary 100110101101010010110110000
3 Ternary 12122202011111221
4 Quaternary 10311222112300
5 Quinary 131240112414
6 Senary 12015514424
8 Octal 465522660
10 Decimal 81175984
12 Duodecimal 23228a14
16 Hexadecimal 4d6a5b0
20 Vigesimal 1576jj4
36 Base36 1cbvsg

Cryptographic Hash Functions

md5 f1f7fe38811df9c6415e62b41168041f
sha1 309effbc1e3b12e3ed0a4d726a53440ad5ce9955
sha256 952bc546975111ab46ab6fcdd548387d6fb8056dbb704a2065a9b3e61ef998df
sha512 6157c7b08fc35ff2f8746364922fec99165fe7bdf01aad349c8a8a790a821502afa1676378d168f899b6ccdc2962a26a7475fb07ad8125a042f4dcfa037a0328
ripemd-160 9d761198136dc63a0bf6c75d9ba5449d59bfc845

81175984 as geometric shapes

Circle

Radius = n
Diameter 162351968
Circumference 510043749.96465
Area 2.0701651643215E+16

Sphere

Radius = n
Volume 2.2406359234176E+24
Surface area 8.280660657286E+16
Circumference 510043749.96465

Square

Length = n
Perimeter 324703936
Area 6589540378368256
Diagonal 114800177.51178

Cube

Length = n
Surface area 39537242270209536
Volume 5.3491242432178E+23
Space diagonal 140600928.6424

Equilateral Triangle

Length = n
Perimeter 243527952
Area 2.8533546834651E+15
Altitude 70300464.321199

Triangular Pyramid

Length = n
Surface area 2.8533546834651E+15
Volume 6.3040033763144E+22
Height 38266725.83726