81489076 (number)

81489076 is an even 8-digits composite number following 81489075 and preceding 81489077. In scientific notation, it is written as 8.1489076 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 40687488 positive integers (up to 81489076) that are relatively prime to 81489076.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1489076 × 10^7
Engineering notation 8.1489076 × 10^6

Prime Factorization of 81489076

Prime Factorization 2 × 2 × 733 × 27793

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40744538
Product of the distinct prime numbers

The prime factorization of 81489076 is 2 × 2 × 733 × 27793. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 61, 88, 145, 385, 1163, 8858, 76570, 88713, 988978, 276651, 2260971, 9770603, 35154706, 88450057, 739167283, 792407797, 6576003954, 7848384233

Basic calculations (n = 81489076)

Multiplication

n×y
n×2 162978152
n×3 244467228
n×4 325956304
n×5 407445380

Division

n÷y
n÷2 40744538
n÷3 27163025.333333
n÷3 20372269
n÷5 16297815.2

Exponentiation

ny
n2 6640469507333776
n3 5.411257243588E+23
n4 4.409583527783E+31
n5 3.5933288722385E+39

Nth Root

y√n
2√n 9027.1299979562
3√n 433.54395100057
4√n 95.011209854186
5√n 38.213769412308

Divisors of 81489076

1, 2, 4, 733, 1466, 2932, 27793, 55586, 111172, 20372269, 40744538, 81489076

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81489075
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81489076 can be divided by 12 positive divisors. The sum of these divisors (counting 81489076) is 1, the average is 0.083333333333333.

Base conversion 81489076

Base System Value
2 Binary 100110110110110110010110100
3 Ternary 12200100001222221
4 Quaternary 10312312302310
5 Quinary 131330122301
6 Senary 12030332124
8 Octal 466666264
10 Decimal 81489076
12 Duodecimal 2335a044
16 Hexadecimal 4db6cb4
20 Vigesimal 15962dg
36 Base36 1cildg

Cryptographic Hash Functions

md5 edaa5a06f1b71e85c9dc79ed988084f8
sha1 65b315251950d8ff39a4387fd6b12f01b5fe9f33
sha256 f3fc4917854df86eaccb08142d2e85b14ed65954a7f1247196aacb8dba34dc1b
sha512 05284f82277beb129fc1eda1b17b87d527e2682acf6148dd8e488ed7e55c1d4b2974eb0108be9c09e42ab7a92c810ea86cca5915254d5721264e873eb015dff6
ripemd-160 84c4cb50d92bad2fa630bef03bcbf1c55dc47db1

81489076 as geometric shapes

Circle

Radius = n
Diameter 162978152
Circumference 512010965.01884
Area 2.0861650220627E+16

Sphere

Radius = n
Volume 2.2666621337521E+24
Surface area 8.3446600882507E+16
Circumference 512010965.01884

Square

Length = n
Perimeter 325956304
Area 6640469507333776
Diagonal 115242956.46445

Cube

Length = n
Surface area 39842817044002656
Volume 5.411257243588E+23
Space diagonal 141143219.89384

Equilateral Triangle

Length = n
Perimeter 244467228
Area 2.8754076432035E+15
Altitude 70571609.946921

Triangular Pyramid

Length = n
Surface area 2.8754076432035E+15
Volume 6.3772278194766E+22
Height 38414318.821484