82661221 (number)

82661221 is an odd 8-digits composite number following 82661220 and preceding 82661222. In scientific notation, it is written as 8.2661221 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 79994700 positive integers (up to 82661221) that are relatively prime to 82661221.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.2661221 × 10^7
Engineering notation 8.2661221 × 10^6

Prime Factorization of 82661221

Prime Factorization 31 × 2666491

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 82661221
Product of the distinct prime numbers

The prime factorization of 82661221 is 31 × 2666491. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82661221)

Multiplication

n×y
n×2 165322442
n×3 247983663
n×4 330644884
n×5 413306105

Division

n÷y
n÷2 41330610.5
n÷3 27553740.333333
n÷3 20665305.25
n÷5 16532244.2

Exponentiation

ny
n2 6832877457210841
n3 5.6481399355642E+23
n4 4.668821434526E+31
n5 3.8593048040889E+39

Nth Root

y√n
2√n 9091.8216546521
3√n 435.61277272194
4√n 95.351044329111
5√n 38.323076244441

Divisors of 82661221

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 -82661220
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 82661221 can be divided by 4 positive divisors. The sum of these divisors (counting 82661221) is 1, the average is 0.25.

Base conversion 82661221

Base System Value
2 Binary 100111011010100111101100101
3 Ternary 12202112121212201
4 Quaternary 10323110331211
5 Quinary 132130124341
6 Senary 12111414501
8 Octal 473247545
10 Decimal 82661221
12 Duodecimal 23824431
16 Hexadecimal 4ed4f65
20 Vigesimal 15gcd11
36 Base36 1d7pt1

Cryptographic Hash Functions

md5 f25706666c7013bf662fa7872ea9bcea
sha1 4a8eb913e011478b1e213a168999dcf84e00cad0
sha256 b2ed9810bef250eac6c6935a07ae6525041d43038df816ee753d4a0fe78d6ac2
sha512 f90b585a2dda96d9735d98ee3d2f990d631b689e4bc65873ebbe2d4004650955e76cddccfec0af9a2271e05dde2f68e64129bae0dd2c9c13c2e691390b7ea59b
ripemd-160 a2ffd57865dcafadf6dec6e6c2c13cdacfa3d2fe

82661221 as geometric shapes

Circle

Radius = n
Diameter 165322442
Circumference 519375769.26072
Area 2.1466117622453E+16

Sphere

Radius = n
Volume 2.3658873237354E+24
Surface area 8.5864470489812E+16
Circumference 519375769.26072

Square

Length = n
Perimeter 330644884
Area 6832877457210841
Diagonal 116900619.82052

Cube

Length = n
Surface area 40997264743265046
Volume 5.6481399355642E+23
Space diagonal 143173434.58768

Equilateral Triangle

Length = n
Perimeter 247983663
Area 2.9587227294453E+15
Altitude 71586717.29384

Triangular Pyramid

Length = n
Surface area 2.9587227294453E+15
Volume 6.6563967492134E+22
Height 38966873.273507