81121346 (number)

81121346 is an even 8-digits composite number following 81121345 and preceding 81121347. In scientific notation, it is written as 8.1121346 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 40560672 positive integers (up to 81121346) that are relatively prime to 81121346.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-one thousand three hundred forty-six

Notation

Scientific notation 8.1121346 × 10^7
Engineering notation 8.1121346 × 10^6

Prime Factorization of 81121346

Prime Factorization 2 × 40560673

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81121346
Product of the distinct prime numbers

The prime factorization of 81121346 is 2 × 40560673. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81121346)

Multiplication

n×y
n×2 162242692
n×3 243364038
n×4 324485384
n×5 405606730

Division

n÷y
n÷2 40560673
n÷3 27040448.666667
n÷3 20280336.5
n÷5 16224269.2

Exponentiation

ny
n2 6580672776851716
n3 5.3383303324377E+23
n4 4.3305254195997E+31
n5 3.5129805092514E+39

Nth Root

y√n
2√n 9006.7389214965
3√n 432.89082651732
4√n 94.903840393824
5√n 38.179218073083

Divisors of 81121346

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 -81121345
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 81121346 can be divided by 4 positive divisors. The sum of these divisors (counting 81121346) is 1, the average is 0.25.

Base conversion 81121346

Base System Value
2 Binary 100110101011101000001000010
3 Ternary 12122122101120022
4 Quaternary 10311131001002
5 Quinary 131231340341
6 Senary 12014413442
8 Octal 465350102
10 Decimal 81121346
12 Duodecimal 23201282
16 Hexadecimal 4d5d042
20 Vigesimal 1570376
36 Base36 1capmq

Cryptographic Hash Functions

md5 01647b9ebdd28daa49508932f4ba24a6
sha1 0ffb1f37fc69b856fac88b5ca136eeab791fef1d
sha256 11a22ca270089de92741cc6d9a06c728427cf13eb46a628687aab6cfc6389cfa
sha512 88f5e769b203c120271be5fb219d542766f95d142db755f9913a32a69b73e373c9d265632b43ad9ef74ddb016d2c4d8afd52758b7b9e36eeddd2c092829e1a78
ripemd-160 f2749dde6fc1481fcf2531281d71d91166bff08c

81121346 as geometric shapes

Circle

Radius = n
Diameter 162242692
Circumference 509700449.28583
Area 2.0673793251436E+16

Sphere

Radius = n
Volume 2.2361145806429E+24
Surface area 8.2695173005743E+16
Circumference 509700449.28583

Square

Length = n
Perimeter 324485384
Area 6580672776851716
Diagonal 114722907.71116

Cube

Length = n
Surface area 39484036661110296
Volume 5.3383303324377E+23
Space diagonal 140506292.85037

Equilateral Triangle

Length = n
Perimeter 243364038
Area 2.8495148993731E+15
Altitude 70253146.425187

Triangular Pyramid

Length = n
Surface area 2.8495148993731E+15
Volume 6.2912826304675E+22
Height 38240969.237053