82718981 (number)

82718981 is an odd 8-digits composite number following 82718980 and preceding 82718982. In scientific notation, it is written as 8.2718981 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 81664128 positive integers (up to 82718981) that are relatively prime to 82718981.

Interesting facts

Basic properties

Name

Name eighty-two million seven hundred eighteen thousand nine hundred eighty-one

Notation

Scientific notation 8.2718981 × 10^7
Engineering notation 8.2718981 × 10^6

Prime Factorization of 82718981

Prime Factorization 97 × 547 × 1559

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 82718981
Product of the distinct prime numbers

The prime factorization of 82718981 is 97 × 547 × 1559. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82718981)

Multiplication

n×y
n×2 165437962
n×3 248156943
n×4 330875924
n×5 413594905

Division

n÷y
n÷2 41359490.5
n÷3 27572993.666667
n÷3 20679745.25
n÷5 16543796.2

Exponentiation

ny
n2 6842429817678361
n3 5.6599882208237E+23
n4 4.6818845809854E+31
n5 3.8728072169872E+39

Nth Root

y√n
2√n 9094.9975810882
3√n 435.71421140245
4√n 95.36769673788
5√n 38.328430441794

Divisors of 82718981

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 -82718980
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 82718981 can be divided by 8 positive divisors. The sum of these divisors (counting 82718981) is 1, the average is 0.125.

Base conversion 82718981

Base System Value
2 Binary 100111011100011000100000101
3 Ternary 12202122120002222
4 Quaternary 10323203010011
5 Quinary 132134001411
6 Senary 12112542125
8 Octal 473430405
10 Decimal 82718981
12 Duodecimal 23851945
16 Hexadecimal 4ee3105
20 Vigesimal 15gjh91
36 Base36 1d8ydh

Cryptographic Hash Functions

md5 442c46213bdcdf91579d7fb3422c754c
sha1 50e68628d46e4e9fc16da817416298aac030ddad
sha256 568765abd94f723cecf247fa614cd64b8783eca4afc3d6a267bc4268428ee112
sha512 2b0a0654713e444fda03ff86eb291d3f861fffe0691a7950683fb956e7419e8b9dec71d5e64f8f959c1cac506b83b547fb5624c6c19ace759407240f30866863
ripemd-160 cc25455ea6f13d7816fa88e7f8ddbad5fedd135e

82718981 as geometric shapes

Circle

Radius = n
Diameter 165437962
Circumference 519738686.04407
Area 2.1496127247922E+16

Sphere

Radius = n
Volume 2.3708503218593E+24
Surface area 8.5984508991688E+16
Circumference 519738686.04407

Square

Length = n
Perimeter 330875924
Area 6842429817678361
Diagonal 116982304.79588

Cube

Length = n
Surface area 41054578906070166
Volume 5.6599882208237E+23
Space diagonal 143273477.84232

Equilateral Triangle

Length = n
Perimeter 248156943
Area 2.9628590228608E+15
Altitude 71636738.921162

Triangular Pyramid

Length = n
Surface area 2.9628590228608E+15
Volume 6.6703600873007E+22
Height 38994101.598627