81350345 (number)

81350345 is an odd 8-digits composite number following 81350344 and preceding 81350346. In scientific notation, it is written as 8.1350345 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 64582960 positive integers (up to 81350345) that are relatively prime to 81350345.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1350345 × 10^7
Engineering notation 8.1350345 × 10^6

Prime Factorization of 81350345

Prime Factorization 5 × 131 × 124199

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81350345
Product of the distinct prime numbers

The prime factorization of 81350345 is 5 × 131 × 124199. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81350345)

Multiplication

n×y
n×2 162700690
n×3 244051035
n×4 325401380
n×5 406751725

Division

n÷y
n÷2 40675172.5
n÷3 27116781.666667
n÷3 20337586.25
n÷5 16270069

Exponentiation

ny
n2 6617878631619025
n3 5.3836670985034E+23
n4 4.379631758284E+31
n5 3.5628455450936E+39

Nth Root

y√n
2√n 9019.4426102725
3√n 433.29778242206
4√n 94.970746076213
5√n 38.200749143664

Divisors of 81350345

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81350344
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81350345 can be divided by 8 positive divisors. The sum of these divisors (counting 81350345) is 1, the average is 0.125.

Base conversion 81350345

Base System Value
2 Binary 100110110010100111011001001
3 Ternary 12200002000200202
4 Quaternary 10312110323021
5 Quinary 131311202340
6 Senary 12023341545
8 Octal 466247311
10 Decimal 81350345
12 Duodecimal 232b18b5
16 Hexadecimal 4d94ec9
20 Vigesimal 1588fh5
36 Base36 1cfmbt

Cryptographic Hash Functions

md5 31b036b602e2986cf74c0205be213ca2
sha1 5774dab82d5b116103ae439d6f91464ec3a48c09
sha256 a143debe172703d5e3a422327c724bc0b2226124de1401be5ce7e794179252c4
sha512 02d875685fa161616682399b9083612486d05fdc047f08176d31b2abfe49727e440063c41a82852171e28f206459f54ae1848b7c395584a361ff1df34b33ca4b
ripemd-160 a2816daf9aed369cc1d7a46f5f74ab7c8c831cb9

81350345 as geometric shapes

Circle

Radius = n
Diameter 162700690
Circumference 511139292.43799
Area 2.0790678891443E+16

Sphere

Radius = n
Volume 2.2551052008042E+24
Surface area 8.3162715565773E+16
Circumference 511139292.43799

Square

Length = n
Perimeter 325401380
Area 6617878631619025
Diagonal 115046761.20273

Cube

Length = n
Surface area 39707271789714150
Volume 5.3836670985034E+23
Space diagonal 140902930.75326

Equilateral Triangle

Length = n
Perimeter 244051035
Area 2.8656255070721E+15
Altitude 70451465.376628

Triangular Pyramid

Length = n
Surface area 2.8656255070721E+15
Volume 6.344712521671E+22
Height 38348920.40091