81489504 (number)

81489504 is an even 8-digits composite number following 81489503 and preceding 81489505. In scientific notation, it is written as 8.1489504 × 10^7. The sum of its digits is 39. It has a total of 7 prime factors and 24 positive divisors. There are 27163136 positive integers (up to 81489504) that are relatively prime to 81489504.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1489504 × 10^7
Engineering notation 8.1489504 × 10^6

Prime Factorization of 81489504

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 848849

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5093094
Product of the distinct prime numbers

The prime factorization of 81489504 is 2 × 2 × 2 × 2 × 2 × 3 × 848849. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81489504)

Multiplication

n×y
n×2 162979008
n×3 244468512
n×4 325958016
n×5 407447520

Division

n÷y
n÷2 40744752
n÷3 27163168
n÷3 20372376
n÷5 16297900.8

Exponentiation

ny
n2 6640539262166016
n3 5.4113425076643E+23
n4 4.4096761692368E+31
n5 3.5934232383173E+39

Nth Root

y√n
2√n 9027.1537042414
3√n 433.54471002454
4√n 95.011334609306
5√n 38.213809553784

Divisors of 81489504

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81489503
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81489504 can be divided by 24 positive divisors. The sum of these divisors (counting 81489504) is 1, the average is 0.041666666666667.

Base conversion 81489504

Base System Value
2 Binary 100110110110110111001100000
3 Ternary 12200100002120210
4 Quaternary 10312312321200
5 Quinary 131330131004
6 Senary 12030334120
8 Octal 466667140
10 Decimal 81489504
12 Duodecimal 2335a340
16 Hexadecimal 4db6e60
20 Vigesimal 15963f4
36 Base36 1cilpc

Cryptographic Hash Functions

md5 d76f4f091f77e59813cb6bdbcd054413
sha1 17d8be337327695536da17c0866673f41ac1f807
sha256 1225a95d97e461e4b3d084bdd2ea215aec8ceb44863656ea0133cd0fc56e23ff
sha512 cc0a9d40a3c88aa60c186776791881c6a46fb0d01f3c42bd1b1e3c0ceb9f146e872cbbf8d87aee41a6729dc01d0377354fda4b36dd7e9dcd11a18555d8e38357
ripemd-160 f99abc43b0793015ffde66c0a6c451765abfebf4

81489504 as geometric shapes

Circle

Radius = n
Diameter 162979008
Circumference 512013654.22215
Area 2.0861869361895E+16

Sphere

Radius = n
Volume 2.2666978490849E+24
Surface area 8.3447477447581E+16
Circumference 512013654.22215

Square

Length = n
Perimeter 325958016
Area 6640539262166016
Diagonal 115243561.74786

Cube

Length = n
Surface area 39843235572996096
Volume 5.4113425076643E+23
Space diagonal 141143961.21159

Equilateral Triangle

Length = n
Perimeter 244468512
Area 2.8754378479319E+15
Altitude 70571980.605794

Triangular Pyramid

Length = n
Surface area 2.8754378479319E+15
Volume 6.3773283041541E+22
Height 38414520.582619