81590775 (number)

81590775 is an odd 8-digits composite number following 81590774 and preceding 81590776. In scientific notation, it is written as 8.1590775 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 34298880 positive integers (up to 81590775) that are relatively prime to 81590775.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred ninety thousand seven hundred seventy-five

Notation

Scientific notation 8.1590775 × 10^7
Engineering notation 8.1590775 × 10^6

Prime Factorization of 81590775

Prime Factorization 21 × 1165 × 5 × 23 × 29

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81590775
Product of the distinct prime numbers

The prime factorization of 81590775 is 21 × 1165 × 5 × 23 × 29. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81590775)

Multiplication

n×y
n×2 163181550
n×3 244772325
n×4 326363100
n×5 407953875

Division

n÷y
n÷2 40795387.5
n÷3 27196925
n÷3 20397693.75
n÷5 16318155

Exponentiation

ny
n2 6657054565100625
n3 5.4315424118385E+23
n4 4.4316375482727E+31
n5 3.6158074208267E+39

Nth Root

y√n
2√n 9032.7612057443
3√n 433.7242314307
4√n 95.040839672976
5√n 38.223302870591

Divisors of 81590775

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81590774
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81590775 can be divided by 32 positive divisors. The sum of these divisors (counting 81590775) is 1, the average is 0.03125.

Base conversion 81590775

Base System Value
2 Binary 100110111001111100111110111
3 Ternary 12200112020111120
4 Quaternary 10313033213313
5 Quinary 131341401100
6 Senary 12032435023
8 Octal 467174767
10 Decimal 81590775
12 Duodecimal 233a8a73
16 Hexadecimal 4dcf9f7
20 Vigesimal 159igif
36 Base36 1ckruf

Cryptographic Hash Functions

md5 fa5ae7be86da3cb57381e8954d9ca113
sha1 cbd1b80bdc6b1e4ccd803ee599216c377e16db87
sha256 45ccd6b25a99ccd33f86e22a9cd79c1cffdd60581a85d24aa7f39921c87daea4
sha512 a298159e5ea0d2c5f40b6dcc9779bc6d3daff3022cdd9e7021aacbd16fe62fef0a55b39ba05226ab9c3bccd1c867bdbdaa20c52b1a6c4bfe9195477006c90afb
ripemd-160 4394b48d9c0e7b976e7c4e0a27a16d3a8a4db5f9

81590775 as geometric shapes

Circle

Radius = n
Diameter 163181550
Circumference 512649958.6814
Area 2.0913753716267E+16

Sphere

Radius = n
Volume 2.2751591651591E+24
Surface area 8.3655014865066E+16
Circumference 512649958.6814

Square

Length = n
Perimeter 326363100
Area 6657054565100625
Diagonal 115386780.56953

Cube

Length = n
Surface area 39942327390603750
Volume 5.4315424118385E+23
Space diagonal 141319367.72892

Equilateral Triangle

Length = n
Perimeter 244772325
Area 2.8825891838782E+15
Altitude 70659683.86446

Triangular Pyramid

Length = n
Surface area 2.8825891838782E+15
Volume 6.4011341195222E+22
Height 38462260.189844