81493313 (number)

81493313 is an odd 8-digits composite number following 81493312 and preceding 81493314. In scientific notation, it is written as 8.1493313 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 74022480 positive integers (up to 81493313) that are relatively prime to 81493313.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-three thousand three hundred thirteen

Notation

Scientific notation 8.1493313 × 10^7
Engineering notation 8.1493313 × 10^6

Prime Factorization of 81493313

Prime Factorization 11 × 1597 × 4639

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81493313
Product of the distinct prime numbers

The prime factorization of 81493313 is 11 × 1597 × 4639. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81493313)

Multiplication

n×y
n×2 162986626
n×3 244479939
n×4 325973252
n×5 407466565

Division

n÷y
n÷2 40746656.5
n÷3 27164437.666667
n÷3 20373328.25
n÷5 16298662.6

Exponentiation

ny
n2 6641160063715969
n3 5.4121013575551E+23
n4 4.4105006991896E+31
n5 3.5942631396578E+39

Nth Root

y√n
2√n 9027.3646763604
3√n 433.55146486613
4√n 95.012444849927
5√n 38.214166786733

Divisors of 81493313

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 -81493312
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 81493313 can be divided by 8 positive divisors. The sum of these divisors (counting 81493313) is 1, the average is 0.125.

Base conversion 81493313

Base System Value
2 Binary 100110110110111110101000001
3 Ternary 12200100021210212
4 Quaternary 10312313311001
5 Quinary 131330241223
6 Senary 12030403505
8 Octal 466676501
10 Decimal 81493313
12 Duodecimal 23360595
16 Hexadecimal 4db7d41
20 Vigesimal 1596d5d
36 Base36 1cion5

Cryptographic Hash Functions

md5 d001ca98ee1c263a0abbec0314e2bec1
sha1 44495465918f773d1e85ceda48c9e921196ddbcf
sha256 fcfd35e9fbea85638af7bfba0673db99a94a98dbda3f9fc536ba48ad3a1a4b74
sha512 31ea3dff96a35817a1634a374877d082543abf2d5d8da2ee838fa76e379d0136c7b96201bae4501834d464ad52113051c69e3c70e4acbeb9d60d36da68014dce
ripemd-160 d8bd0de79e59fdb4059eb2ad981315115b7b3f8c

81493313 as geometric shapes

Circle

Radius = n
Diameter 162986626
Circumference 512037586.87499
Area 2.0863819667484E+16

Sphere

Radius = n
Volume 2.2670157153838E+24
Surface area 8.3455278669936E+16
Circumference 512037586.87499

Square

Length = n
Perimeter 325973252
Area 6641160063715969
Diagonal 115248948.48732

Cube

Length = n
Surface area 39846960382295814
Volume 5.4121013575551E+23
Space diagonal 141150558.59311

Equilateral Triangle

Length = n
Perimeter 244479939
Area 2.8757066628884E+15
Altitude 70575279.296557

Triangular Pyramid

Length = n
Surface area 2.8757066628884E+15
Volume 6.3782226173268E+22
Height 38416316.162439