82661985 (number)

82661985 is an odd 8-digits composite number following 82661984 and preceding 82661986. In scientific notation, it is written as 8.2661985 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 37787904 positive integers (up to 82661985) that are relatively prime to 82661985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.2661985 × 10^7
Engineering notation 8.2661985 × 10^6

Prime Factorization of 82661985

Prime Factorization 5 × 27 × 7 × 87473

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 82661985
Product of the distinct prime numbers

The prime factorization of 82661985 is 5 × 27 × 7 × 87473. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82661985)

Multiplication

n×y
n×2 165323970
n×3 247985955
n×4 330647940
n×5 413309925

Division

n÷y
n÷2 41330992.5
n÷3 27553995
n÷3 20665496.25
n÷5 16532397

Exponentiation

ny
n2 6833003764140225
n3 5.648296546563E+23
n4 4.6689940440754E+31
n5 3.8594831563645E+39

Nth Root

y√n
2√n 9091.8636703373
3√n 435.61411477459
4√n 95.351264649911
5√n 38.323147084725

Divisors of 82661985

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -82661984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 82661985 can be divided by 16 positive divisors. The sum of these divisors (counting 82661985) is 1, the average is 0.0625.

Base conversion 82661985

Base System Value
2 Binary 100111011010101001001100001
3 Ternary 12202112122221000
4 Quaternary 10323111021201
5 Quinary 132130140420
6 Senary 12111422213
8 Octal 473251141
10 Decimal 82661985
12 Duodecimal 23824969
16 Hexadecimal 4ed5261
20 Vigesimal 15gcej5
36 Base36 1d7qe9

Cryptographic Hash Functions

md5 47eb243b0b6180720ae8516d75a0ba94
sha1 17656da2d2494b3ebda8647f9f3be778487a981d
sha256 9a6cb6d23d86ff03009963ebc8cf5ae09a925acc676372178e91b1424271bdac
sha512 e90e494e3d66386d7a8acfd99d3abf0367dcbb820c270ae1a675a02dbe44c48e04162ab00d178eb634d21ed36a6796f5c1500d783ef29d792156b5e69531e893
ripemd-160 ff21ddbbef15115790eef775a947c531d47147af

82661985 as geometric shapes

Circle

Radius = n
Diameter 165323970
Circumference 519380569.6143
Area 2.1466514427374E+16

Sphere

Radius = n
Volume 2.3659529247972E+24
Surface area 8.5866057709497E+16
Circumference 519380569.6143

Square

Length = n
Perimeter 330647940
Area 6833003764140225
Diagonal 116901700.27968

Cube

Length = n
Surface area 40998022584841350
Volume 5.648296546563E+23
Space diagonal 143174757.8745

Equilateral Triangle

Length = n
Perimeter 247985955
Area 2.9587774219501E+15
Altitude 71587378.937248

Triangular Pyramid

Length = n
Surface area 2.9587774219501E+15
Volume 6.6565813170455E+22
Height 38967233.42656