81246355 (number)

81246355 is an odd 8-digits composite number following 81246354 and preceding 81246356. In scientific notation, it is written as 8.1246355 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 64997080 positive integers (up to 81246355) that are relatively prime to 81246355.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred forty-six thousand three hundred fifty-five

Notation

Scientific notation 8.1246355 × 10^7
Engineering notation 8.1246355 × 10^6

Prime Factorization of 81246355

Prime Factorization 5 × 16249271

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81246355
Product of the distinct prime numbers

The prime factorization of 81246355 is 5 × 16249271. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81246355)

Multiplication

n×y
n×2 162492710
n×3 243739065
n×4 324985420
n×5 406231775

Division

n÷y
n÷2 40623177.5
n÷3 27082118.333333
n÷3 20311588.75
n÷5 16249271

Exponentiation

ny
n2 6600970200786025
n3 5.3630476827748E+23
n4 4.3572807591665E+31
n5 3.5401317939391E+39

Nth Root

y√n
2√n 9013.6759981708
3√n 433.11307577044
4√n 94.940381283049
5√n 38.190977756274

Divisors of 81246355

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 -81246354
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 81246355 can be divided by 4 positive divisors. The sum of these divisors (counting 81246355) is 1, the average is 0.25.

Base conversion 81246355

Base System Value
2 Binary 100110101111011100010010011
3 Ternary 12122212202001021
4 Quaternary 10311323202103
5 Quinary 131244340410
6 Senary 12021220311
8 Octal 465734223
10 Decimal 81246355
12 Duodecimal 23261697
16 Hexadecimal 4d7b893
20 Vigesimal 157ffhf
36 Base36 1cde37

Cryptographic Hash Functions

md5 7354537d8ffb213afabd40f8874c979d
sha1 b1ca60542cac7d36d5c27b8e0f122048983991df
sha256 c433bd20145dad39a864905f5b45c536ee0ceaef96402f481282a7aceb98493d
sha512 378ad85d93f62bf349d1cf89f837d50072da2ed65ed66b86714db70aa845853159763928fb90d4bbd1e659e9acfb13863fd575b6e110d468257dead0cdb13bdd
ripemd-160 5ab345f7bd909a5ba03b7d578b444eaea8e7e9a4

81246355 as geometric shapes

Circle

Radius = n
Diameter 162492710
Circumference 510485903.9979
Area 2.0737559489355E+16

Sphere

Radius = n
Volume 2.246468160141E+24
Surface area 8.2950237957418E+16
Circumference 510485903.9979

Square

Length = n
Perimeter 324985420
Area 6600970200786025
Diagonal 114899697.13438

Cube

Length = n
Surface area 39605821204716150
Volume 5.3630476827748E+23
Space diagonal 140722814.78978

Equilateral Triangle

Length = n
Perimeter 243739065
Area 2.8583039417524E+15
Altitude 70361407.394889

Triangular Pyramid

Length = n
Surface area 2.8583039417524E+15
Volume 6.3204123071948E+22
Height 38299899.044793