81489296 (number)

81489296 is an even 8-digits composite number following 81489295 and preceding 81489297. In scientific notation, it is written as 8.1489296 × 10^7. The sum of its digits is 47. It has a total of 8 prime factors and 80 positive divisors. There are 32514048 positive integers (up to 81489296) that are relatively prime to 81489296.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-nine thousand two hundred ninety-six

Notation

Scientific notation 8.1489296 × 10^7
Engineering notation 8.1489296 × 10^6

Prime Factorization of 81489296

Prime Factorization 2 × 2 × 2 × 2 × 7 × 17 × 337 × 127

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 10186162
Product of the distinct prime numbers

The prime factorization of 81489296 is 2 × 2 × 2 × 2 × 7 × 17 × 337 × 127. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81489296)

Multiplication

n×y
n×2 162978592
n×3 244467888
n×4 325957184
n×5 407446480

Division

n÷y
n÷2 40744648
n÷3 27163098.666667
n÷3 20372324
n÷5 16297859.2

Exponentiation

ny
n2 6640505362575616
n3 5.4113010708051E+23
n4 4.4096311470396E+31
n5 3.5933773779193E+39

Nth Root

y√n
2√n 9027.1421834377
3√n 433.54434115341
4√n 95.011273980711
5√n 38.213790045798

Divisors of 81489296

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81489295
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81489296 can be divided by 80 positive divisors. The sum of these divisors (counting 81489296) is 1, the average is 0.0125.

Base conversion 81489296

Base System Value
2 Binary 100110110110110110110010000
3 Ternary 12200100002022002
4 Quaternary 10312312312100
5 Quinary 131330124141
6 Senary 12030333132
8 Octal 466666620
10 Decimal 81489296
12 Duodecimal 2335a1a8
16 Hexadecimal 4db6d90
20 Vigesimal 159634g
36 Base36 1ciljk

Cryptographic Hash Functions

md5 f82d9d960817e4f483e3b7177774e74a
sha1 245941bce7434e44fade9ea56f8cfe2fee5a11b6
sha256 09b0a4d22bf0025e72452d800d404c17b50fb72d384c0322d439af9a01f39ca3
sha512 0b7c7589fb55d85ffb8cac3d1b66795519cacc14ac76d7c5a1e19a09021dd77548eeac08aff9058841e2d1981393bd77d3c04ea04c5703c84ef985693b4646fb
ripemd-160 18921bc0fbb80addd5c9852524d056f0e588127b

81489296 as geometric shapes

Circle

Radius = n
Diameter 162978592
Circumference 512012347.31961
Area 2.0861762863191E+16

Sphere

Radius = n
Volume 2.2666804920539E+24
Surface area 8.3447051452765E+16
Circumference 512012347.31961

Square

Length = n
Perimeter 325957184
Area 6640505362575616
Diagonal 115243267.59144

Cube

Length = n
Surface area 39843032175453696
Volume 5.4113010708051E+23
Space diagonal 141143600.94502

Equilateral Triangle

Length = n
Perimeter 244467888
Area 2.8754231689786E+15
Altitude 70571800.47251

Triangular Pyramid

Length = n
Surface area 2.8754231689786E+15
Volume 6.3772794703472E+22
Height 38414422.530479