81489092 (number)

81489092 is an even 8-digits composite number following 81489091 and preceding 81489093. In scientific notation, it is written as 8.1489092 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors. There are 36679808 positive integers (up to 81489092) that are relatively prime to 81489092.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1489092 × 10^7
Engineering notation 8.1489092 × 10^6

Prime Factorization of 81489092

Prime Factorization 2 × 2 × 23 × 17 × 52103

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40744546
Product of the distinct prime numbers

The prime factorization of 81489092 is 2 × 2 × 23 × 17 × 52103. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81489092)

Multiplication

n×y
n×2 162978184
n×3 244467276
n×4 325956368
n×5 407445460

Division

n÷y
n÷2 40744546
n÷3 27163030.666667
n÷3 20372273
n÷5 16297818.4

Exponentiation

ny
n2 6640472114984464
n3 5.411260431014E+23
n4 4.4095869909886E+31
n5 3.5933323999068E+39

Nth Root

y√n
2√n 9027.1308841736
3√n 433.54397937535
4√n 95.011214517938
5√n 38.213770912927

Divisors of 81489092

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 -81489091
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 81489092 can be divided by 24 positive divisors. The sum of these divisors (counting 81489092) is 1, the average is 0.041666666666667.

Base conversion 81489092

Base System Value
2 Binary 100110110110110110011000100
3 Ternary 12200100002000112
4 Quaternary 10312312303010
5 Quinary 131330122332
6 Senary 12030332152
8 Octal 466666304
10 Decimal 81489092
12 Duodecimal 2335a058
16 Hexadecimal 4db6cc4
20 Vigesimal 15962ec
36 Base36 1cildw

Cryptographic Hash Functions

md5 3e872383a32be280dbf7c212102e2343
sha1 7134784ea2adeed5cc778b1ae7841070e13ed7ee
sha256 7d7b0d1aeea8dbee6489ccd4273ee88ccb9ded96237709a7733fd2d1a4c85835
sha512 26358946fee21db8a759aae98db9a9275a11b1452aed8b835f8f530043687b1f7942d62f01a562bbbf0199000a31b754f58b74464c7db0b48ea494750f9a0843
ripemd-160 904813e20bec9cd4af9ec90a321ed182aa2c9199

81489092 as geometric shapes

Circle

Radius = n
Diameter 162978184
Circumference 512011065.54981
Area 2.0861658412803E+16

Sphere

Radius = n
Volume 2.266663468898E+24
Surface area 8.3446633651212E+16
Circumference 512011065.54981

Square

Length = n
Perimeter 325956368
Area 6640472114984464
Diagonal 115242979.09187

Cube

Length = n
Surface area 39842832689906784
Volume 5.411260431014E+23
Space diagonal 141143247.60665

Equilateral Triangle

Length = n
Perimeter 244467276
Area 2.8754087723494E+15
Altitude 70571623.803327

Triangular Pyramid

Length = n
Surface area 2.8754087723494E+15
Volume 6.3772315758941E+22
Height 38414326.363956