82661921 (number)

82661921 is an odd 8-digits composite number following 82661920 and preceding 82661922. In scientific notation, it is written as 8.2661921 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 82469700 positive integers (up to 82661921) that are relatively prime to 82661921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.2661921 × 10^7
Engineering notation 8.2661921 × 10^6

Prime Factorization of 82661921

Prime Factorization 431 × 191791

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 82661921
Product of the distinct prime numbers

The prime factorization of 82661921 is 431 × 191791. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82661921)

Multiplication

n×y
n×2 165323842
n×3 247985763
n×4 330647684
n×5 413309605

Division

n÷y
n÷2 41330960.5
n÷3 27553973.666667
n÷3 20665480.25
n÷5 16532384.2

Exponentiation

ny
n2 6832993183410241
n3 5.648283427206E+23
n4 4.6689795844531E+31
n5 3.8594682156067E+39

Nth Root

y√n
2√n 9091.8601507062
3√n 435.61400235165
4√n 95.351246193777
5√n 38.323141150481

Divisors of 82661921

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -82661920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 82661921 can be divided by 4 positive divisors. The sum of these divisors (counting 82661921) is 1, the average is 0.25.

Base conversion 82661921

Base System Value
2 Binary 100111011010101001000100001
3 Ternary 12202112122211122
4 Quaternary 10323111020201
5 Quinary 132130140141
6 Senary 12111422025
8 Octal 473251041
10 Decimal 82661921
12 Duodecimal 23824915
16 Hexadecimal 4ed5221
20 Vigesimal 15gceg1
36 Base36 1d7qch

Cryptographic Hash Functions

md5 55c93e5eeaac194bd29ec351648086ef
sha1 3e052625c86fb102001d39468032a25241c2cf1a
sha256 654c48a444be9b2b0778d5cfb3cc6c44341fa534fd85d716b7a9f33d77cef51b
sha512 fee71b983cce094e7774657976012c0457652274ee9ff9e1477be5f56158c43739826b2993834916f554b7bf1bccbf32941e1773d1b883f762947fd0b83747d6
ripemd-160 0fad9cae0c6df8bc1f1a973424c62090fecd6e19

82661921 as geometric shapes

Circle

Radius = n
Diameter 165323842
Circumference 519380167.49044
Area 2.1466481187031E+16

Sphere

Radius = n
Volume 2.3659474293738E+24
Surface area 8.5865924748123E+16
Circumference 519380167.49044

Square

Length = n
Perimeter 330647684
Area 6832993183410241
Diagonal 116901609.77001

Cube

Length = n
Surface area 40997959100461446
Volume 5.648283427206E+23
Space diagonal 143174647.02324

Equilateral Triangle

Length = n
Perimeter 247985763
Area 2.9587728403596E+15
Altitude 71587323.511622

Triangular Pyramid

Length = n
Surface area 2.9587728403596E+15
Volume 6.6565658557349E+22
Height 38967203.256671