81120889 (number)

81120889 is an odd 8-digits composite number following 81120888 and preceding 81120890. In scientific notation, it is written as 8.1120889 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 76349056 positive integers (up to 81120889) that are relatively prime to 81120889.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty thousand eight hundred eighty-nine

Notation

Scientific notation 8.1120889 × 10^7
Engineering notation 8.1120889 × 10^6

Prime Factorization of 81120889

Prime Factorization 17 × 4771817

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81120889
Product of the distinct prime numbers

The prime factorization of 81120889 is 17 × 4771817. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81120889)

Multiplication

n×y
n×2 162241778
n×3 243362667
n×4 324483556
n×5 405604445

Division

n÷y
n÷2 40560444.5
n÷3 27040296.333333
n÷3 20280222.25
n÷5 16224177.8

Exponentiation

ny
n2 6580598632150321
n3 5.3382401119222E+23
n4 4.3304278357459E+31
n5 3.5128815578605E+39

Nth Root

y√n
2√n 9006.7135515681
3√n 432.89001361381
4√n 94.903706732498
5√n 38.179175056188

Divisors of 81120889

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81120888
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81120889 can be divided by 4 positive divisors. The sum of these divisors (counting 81120889) is 1, the average is 0.25.

Base conversion 81120889

Base System Value
2 Binary 100110101011100111001111001
3 Ternary 12122122100221101
4 Quaternary 10311130321321
5 Quinary 131231332024
6 Senary 12014411401
8 Octal 465347171
10 Decimal 81120889
12 Duodecimal 23200b61
16 Hexadecimal 4d5ce79
20 Vigesimal 1570249
36 Base36 1capa1

Cryptographic Hash Functions

md5 4988e1613bab50a062ed1160300c343a
sha1 ba74ba175113f40656239d2c65639646b1052c47
sha256 e0f8094601d02e0bf5de6bdfdcdd1f25820661aec641cea5665a1d9160639ee6
sha512 73ba97cec757159c595962df296e0b4a8b1487894b04a8c80419665c12d6bbee27214a9e9c9602b2ec82350c947addd552be71d3fae12126916ee05f5287bbf1
ripemd-160 0f23b1440db987b590953a9288d62ce15fc84590

81120889 as geometric shapes

Circle

Radius = n
Diameter 162241778
Circumference 509697577.87015
Area 2.0673560318986E+16

Sphere

Radius = n
Volume 2.2360767891617E+24
Surface area 8.2694241275946E+16
Circumference 509697577.87015

Square

Length = n
Perimeter 324483556
Area 6580598632150321
Diagonal 114722261.41556

Cube

Length = n
Surface area 39483591792901926
Volume 5.3382401119222E+23
Space diagonal 140505501.30316

Equilateral Triangle

Length = n
Perimeter 243362667
Area 2.8494827937757E+15
Altitude 70252750.651578

Triangular Pyramid

Length = n
Surface area 2.8494827937757E+15
Volume 6.2911763045703E+22
Height 38240753.805187