82661990 (number)

82661990 is an even 8-digits composite number following 82661989 and preceding 82661991. In scientific notation, it is written as 8.2661990 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 31119744 positive integers (up to 82661990) that are relatively prime to 82661990.

Interesting facts

Basic properties

Name

Name eighty-two million six hundred sixty-one thousand nine hundred ninety

Notation

Scientific notation 8.2661990 × 10^7
Engineering notation 8.2661990 × 10^6

Prime Factorization of 82661990

Prime Factorization 2 × 85 × 486247

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 82661990
Product of the distinct prime numbers

The prime factorization of 82661990 is 2 × 85 × 486247. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 9, 16, 72, 926, 891, 7573, 1655, 28656, 26868, 430055, 819913, 4636821, 7241045, 95456921, 58437495, 916892098, 176618626, 8716262243, 4917849939

Basic calculations (n = 82661990)

Multiplication

n×y
n×2 165323980
n×3 247985970
n×4 330647960
n×5 413309950

Division

n÷y
n÷2 41330995
n÷3 27553996.666667
n÷3 20665497.5
n÷5 16532398

Exponentiation

ny
n2 6833004590760100
n3 5.6482975715137E+23
n4 4.6689951737349E+31
n5 3.8594843236132E+39

Nth Root

y√n
2√n 9091.8639453085
3√n 435.61412355763
4√n 95.351266091796
5√n 38.323147548338

Divisors of 82661990

1, 2, 85, 170, 486247, 972494, 41330995, 82661990

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 -82661989
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 82661990 can be divided by 8 positive divisors. The sum of these divisors (counting 82661990) is 1, the average is 0.125.

Base conversion 82661990

Base System Value
2 Binary 100111011010101001001100110
3 Ternary 12202112122221012
4 Quaternary 10323111021212
5 Quinary 132130140430
6 Senary 12111422222
8 Octal 473251146
10 Decimal 82661990
12 Duodecimal 23824972
16 Hexadecimal 4ed5266
20 Vigesimal 15gceja
36 Base36 1d7qee

Cryptographic Hash Functions

md5 fb3c40940dd995036f79c4fd3a334609
sha1 a70bec58c18ad6b4d7a9d6864d453eb3b217af88
sha256 43841f1d30285dfe105d9a8bbfca74e651fc0b3a20fc5bb9a66d961f4df9e619
sha512 c4c9714960e9128c700d407c8c17f65478cf5ac5d0ff54e517e03a98165cfbf45f58380ae17f123b8cfd450d7e6b94b6ba71dd1bb2084be9fc612788099f7b97
ripemd-160 ed95754f568dc7445d48e08d304172bc36e6c640

82661990 as geometric shapes

Circle

Radius = n
Diameter 165323980
Circumference 519380601.03023
Area 2.1466517024277E+16

Sphere

Radius = n
Volume 2.3659533541275E+24
Surface area 8.5866068097109E+16
Circumference 519380601.03023

Square

Length = n
Perimeter 330647960
Area 6833004590760100
Diagonal 116901707.35075

Cube

Length = n
Surface area 40998027544560600
Volume 5.6482975715137E+23
Space diagonal 143174766.53475

Equilateral Triangle

Length = n
Perimeter 247985970
Area 2.958777779887E+15
Altitude 71587383.267375

Triangular Pyramid

Length = n
Surface area 2.958777779887E+15
Volume 6.6565825249614E+22
Height 38967235.783583