81582271 (number)

81582271 is an odd 8-digits composite number following 81582270 and preceding 81582272. In scientific notation, it is written as 8.1582271 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 79134720 positive integers (up to 81582271) that are relatively prime to 81582271.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1582271 × 10^7
Engineering notation 8.1582271 × 10^6

Prime Factorization of 81582271

Prime Factorization 47 × 113 × 15361

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81582271
Product of the distinct prime numbers

The prime factorization of 81582271 is 47 × 113 × 15361. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81582271)

Multiplication

n×y
n×2 163164542
n×3 244746813
n×4 326329084
n×5 407911355

Division

n÷y
n÷2 40791135.5
n÷3 27194090.333333
n÷3 20395567.75
n÷5 16316454.2

Exponentiation

ny
n2 6655666941517441
n3 5.4298442410862E+23
n4 4.4297902436408E+31
n5 3.6139234812986E+39

Nth Root

y√n
2√n 9032.2904625571
3√n 433.70916224746
4√n 95.038363109626
5√n 38.222506053744

Divisors of 81582271

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 -81582270
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 81582271 can be divided by 8 positive divisors. The sum of these divisors (counting 81582271) is 1, the average is 0.125.

Base conversion 81582271

Base System Value
2 Binary 100110111001101100010111111
3 Ternary 12200111210211121
4 Quaternary 10313031202333
5 Quinary 131341113041
6 Senary 12032331411
8 Octal 467154277
10 Decimal 81582271
12 Duodecimal 233a3b67
16 Hexadecimal 4dcd8bf
20 Vigesimal 159hfdb
36 Base36 1ckla7

Cryptographic Hash Functions

md5 eef052ef6c650d532768f88cb082d91f
sha1 37909fa7c2b76ae159c556f02c53037af2b49fbd
sha256 db437689324007d602a2bbaa1416ff6471da5d9dd0b79dd3548e684241cb5d8e
sha512 4b2221fa4e2f65130b2907a7b7997fed14283a2a1aaca9cb5309d270916d7446b8ca53c49a25d4b74dc34127e28ae24f4b1c097d999b8d51ef65bb06603c843d
ripemd-160 4f9d199e798154532d3f6a765ae0ecf51dcf1eed

81582271 as geometric shapes

Circle

Radius = n
Diameter 163164542
Circumference 512596526.47354
Area 2.0909394368212E+16

Sphere

Radius = n
Volume 2.2744478370578E+24
Surface area 8.3637577472847E+16
Circumference 512596526.47354

Square

Length = n
Perimeter 326329084
Area 6655666941517441
Diagonal 115374754.0974

Cube

Length = n
Surface area 39934001649104646
Volume 5.4298442410862E+23
Space diagonal 141304638.36885

Equilateral Triangle

Length = n
Perimeter 244746813
Area 2.8819883252412E+15
Altitude 70652319.184427

Triangular Pyramid

Length = n
Surface area 2.8819883252412E+15
Volume 6.3991328060979E+22
Height 38458251.365799