81182271 (number)

81182271 is an odd 8-digits composite number following 81182270 and preceding 81182272. In scientific notation, it is written as 8.1182271 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 54121512 positive integers (up to 81182271) that are relatively prime to 81182271.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred eighty-two thousand two hundred seventy-one

Notation

Scientific notation 8.1182271 × 10^7
Engineering notation 8.1182271 × 10^6

Prime Factorization of 81182271

Prime Factorization 3 × 27060757

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81182271
Product of the distinct prime numbers

The prime factorization of 81182271 is 3 × 27060757. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81182271)

Multiplication

n×y
n×2 162364542
n×3 243546813
n×4 324729084
n×5 405911355

Division

n÷y
n÷2 40591135.5
n÷3 27060757
n÷3 20295567.75
n÷5 16236454.2

Exponentiation

ny
n2 6590561124717441
n3 5.3503671926888E+23
n4 4.3435495938637E+31
n5 3.5261922023098E+39

Nth Root

y√n
2√n 9010.120476442
3√n 432.99917150537
4√n 94.921654412689
5√n 38.184951139671

Divisors of 81182271

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 -81182270
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 81182271 can be divided by 4 positive divisors. The sum of these divisors (counting 81182271) is 1, the average is 0.25.

Base conversion 81182271

Base System Value
2 Binary 100110101101011111000111111
3 Ternary 12122202111010210
4 Quaternary 10311223320333
5 Quinary 131240313041
6 Senary 12020003503
8 Octal 465537077
10 Decimal 81182271
12 Duodecimal 23230593
16 Hexadecimal 4d6be3f
20 Vigesimal 1577fdb
36 Base36 1cc0n3

Cryptographic Hash Functions

md5 307d4aedf2fda12bca4b803e04bf43ef
sha1 cb724a3077e50e4e7d60e880d2887f589f9f80ad
sha256 02e02b820d8126fae8f3b6376825e061b1ecc5878aa0c704be4cdc673a572aa1
sha512 f33b3cb1d470054a2b3ee9eb9d96b609aeab173da9041e8897f2eb0094be0fa6eb1d741a370252f478c20c1b9eeb6688a9a5950199779337c3ed642ea5f8aeda
ripemd-160 b0fef15f0f77f1da094c7dfb233c5728aa5e64ff

81182271 as geometric shapes

Circle

Radius = n
Diameter 162364542
Circumference 510083252.35067
Area 2.0704858412447E+16

Sphere

Radius = n
Volume 2.2411565688745E+24
Surface area 8.2819433649787E+16
Circumference 510083252.35067

Square

Length = n
Perimeter 324729084
Area 6590561124717441
Diagonal 114809068.67245

Cube

Length = n
Surface area 39543366748304646
Volume 5.3503671926888E+23
Space diagonal 140611818.04583

Equilateral Triangle

Length = n
Perimeter 243546813
Area 2.8537966795997E+15
Altitude 70305909.022913

Triangular Pyramid

Length = n
Surface area 2.8537966795997E+15
Volume 6.3054682063138E+22
Height 38269689.557483