82661981 (number)

82661981 is an odd 8-digits prime number following 82661980 and preceding 82661982. In scientific notation, it is written as 8.2661981 × 10^7. The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors. There are 82661980 positive integers (up to 82661981) that are relatively prime to 82661981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.2661981 × 10^7
Engineering notation 8.2661981 × 10^6

Prime Factorization of 82661981

Prime Factorization 82661981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 82661981
Product of the distinct prime numbers

The prime factorization of 82661981 is 82661981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 9, 52, 77, 493, 255, 5835, 8975, 83681, 11829, 119007, 704585, 5201608, 4276042, 3884394, 12481407, 89164192, 190889121, 7169537405, 3426481301

Basic calculations (n = 82661981)

Multiplication

n×y
n×2 165323962
n×3 247985943
n×4 330647924
n×5 413309905

Division

n÷y
n÷2 41330990.5
n÷3 27553993.666667
n÷3 20665495.25
n÷5 16532396.2

Exponentiation

ny
n2 6833003102844361
n3 5.6482957266026E+23
n4 4.6689931403481E+31
n5 3.8594822225658E+39

Nth Root

y√n
2√n 9091.8634503604
3√n 435.61410774816
4√n 95.351263496403
5√n 38.323146713835

Divisors of 82661981

1, 82661981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 82661982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 41330991
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9091.8635053547
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999758051
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 82661981 can be divided by 2 positive divisors. The sum of these divisors (counting 82661981) is 82661982, the average is 41330991.

Base conversion 82661981

Base System Value
2 Binary 100111011010101001001011101
3 Ternary 12202112122220212
4 Quaternary 10323111021131
5 Quinary 132130140411
6 Senary 12111422205
8 Octal 473251135
10 Decimal 82661981
12 Duodecimal 23824965
16 Hexadecimal 4ed525d
20 Vigesimal 15gcej1
36 Base36 1d7qe5

Cryptographic Hash Functions

md5 a18a686b7ea942800c43a4ec58f13d1e
sha1 e9cb60346125f222a48a2d2ba78085d21b495283
sha256 9b6c2863b7526f03b81c75158f4d462da6d77337a72661a61eef999dd22dea99
sha512 ec76deef0be8d9e894eecae1bb47a66008fb4a05c8d8a343cd4c87a9e07e88f63522c7a71b645f33e0be73ff3e24bcbdfe892a06c002d34e85ae7a421f35d580
ripemd-160 c6b47bd5f9d49662574658c405b58945e83d6f75

82661981 as geometric shapes

Circle

Radius = n
Diameter 165323962
Circumference 519380544.48156
Area 2.1466512349852E+16

Sphere

Radius = n
Volume 2.365952581333E+24
Surface area 8.5866049399408E+16
Circumference 519380544.48156

Square

Length = n
Perimeter 330647924
Area 6833003102844361
Diagonal 116901694.62283

Cube

Length = n
Surface area 40998018617066166
Volume 5.6482957266026E+23
Space diagonal 143174750.94629

Equilateral Triangle

Length = n
Perimeter 247985943
Area 2.9587771356006E+15
Altitude 71587375.473147

Triangular Pyramid

Length = n
Surface area 2.9587771356006E+15
Volume 6.6565803507128E+22
Height 38967231.540942