82661978 (number)

82661978 is an even 8-digits composite number following 82661977 and preceding 82661979. In scientific notation, it is written as 8.2661978 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 35426556 positive integers (up to 82661978) that are relatively prime to 82661978.

Interesting facts

Basic properties

Name

Name eighty-two million six hundred sixty-one thousand nine hundred seventy-eight

Notation

Scientific notation 8.2661978 × 10^7
Engineering notation 8.2661978 × 10^6

Prime Factorization of 82661978

Prime Factorization 2 × 7 × 5904427

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 82661978
Product of the distinct prime numbers

The prime factorization of 82661978 is 2 × 7 × 5904427. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82661978)

Multiplication

n×y
n×2 165323956
n×3 247985934
n×4 330647912
n×5 413309890

Division

n÷y
n÷2 41330989
n÷3 27553992.666667
n÷3 20665494.5
n÷5 16532395.6

Exponentiation

ny
n2 6833002606872484
n3 5.6482951116324E+23
n4 4.6689924625526E+31
n5 3.8594815222169E+39

Nth Root

y√n
2√n 9091.8632853778
3√n 435.61410247834
4√n 95.351262631272
5√n 38.323146435668

Divisors of 82661978

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 -82661977
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 82661978 can be divided by 8 positive divisors. The sum of these divisors (counting 82661978) is 1, the average is 0.125.

Base conversion 82661978

Base System Value
2 Binary 100111011010101001001011010
3 Ternary 12202112122220202
4 Quaternary 10323111021122
5 Quinary 132130140403
6 Senary 12111422202
8 Octal 473251132
10 Decimal 82661978
12 Duodecimal 23824962
16 Hexadecimal 4ed525a
20 Vigesimal 15gceii
36 Base36 1d7qe2

Cryptographic Hash Functions

md5 7abd3df5b1a9e92c1981201d67ac8009
sha1 91c7442e127fbeee4efe7740d84b5e10bd051ce8
sha256 3537a42d53fc194928c1ab47df80ed439c762fc905a9628f5a876a752b41b03b
sha512 1d625d9babcf4941cd12d5a2481493372e339955ace76875a5e5864227fc48ae9628805d3463240daa43b07480b7a9498b3ae0aec3b0aae1b1453b4fa6c71921
ripemd-160 fba5cd644419cd31f0445f7f124dbd7a96bd03ed

82661978 as geometric shapes

Circle

Radius = n
Diameter 165323956
Circumference 519380525.632
Area 2.146651079171E+16

Sphere

Radius = n
Volume 2.3659523237348E+24
Surface area 8.5866043166842E+16
Circumference 519380525.632

Square

Length = n
Perimeter 330647912
Area 6833002606872484
Diagonal 116901690.38019

Cube

Length = n
Surface area 40998015641234904
Volume 5.6482951116324E+23
Space diagonal 143174745.75014

Equilateral Triangle

Length = n
Perimeter 247985934
Area 2.9587769208384E+15
Altitude 71587372.87507

Triangular Pyramid

Length = n
Surface area 2.9587769208384E+15
Volume 6.6565796259634E+22
Height 38967230.126729