81208522 (number)

81208522 is an even 8-digits composite number following 81208521 and preceding 81208523. In scientific notation, it is written as 8.1208522 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 39815440 positive integers (up to 81208522) that are relatively prime to 81208522.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred eight thousand five hundred twenty-two

Notation

Scientific notation 8.1208522 × 10^7
Engineering notation 8.1208522 × 10^6

Prime Factorization of 81208522

Prime Factorization 2 × 71 × 197 × 2903

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81208522
Product of the distinct prime numbers

The prime factorization of 81208522 is 2 × 71 × 197 × 2903. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 10, 17, 33, 130, 831, 5951, 7266, 72049, 68338, 989990, 237008, 2603299, 4582779, 37316875, 91499537, 335733123, 730156927, 5697520306, 628724627

Basic calculations (n = 81208522)

Multiplication

n×y
n×2 162417044
n×3 243625566
n×4 324834088
n×5 406042610

Division

n÷y
n÷2 40604261
n÷3 27069507.333333
n÷3 20302130.5
n÷5 16241704.4

Exponentiation

ny
n2 6594824045424484
n3 5.3555591357898E+23
n4 4.3491704190109E+31
n5 3.53189701654E+39

Nth Root

y√n
2√n 9011.5771094742
3√n 433.04583783682
4√n 94.929326919947
5√n 38.187420308154

Divisors of 81208522

1, 2, 71, 142, 197, 394, 2903, 5806, 13987, 27974, 206113, 412226, 571891, 1143782, 40604261, 81208522

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 -81208521
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 81208522 can be divided by 16 positive divisors. The sum of these divisors (counting 81208522) is 1, the average is 0.0625.

Base conversion 81208522

Base System Value
2 Binary 100110101110010010011001010
3 Ternary 12122210211011001
4 Quaternary 10311302103022
5 Quinary 131242133042
6 Senary 12020325214
8 Octal 465622312
10 Decimal 81208522
12 Duodecimal 2324380a
16 Hexadecimal 4d724ca
20 Vigesimal 157b162
36 Base36 1cckwa

Cryptographic Hash Functions

md5 070c54ddccdca8ee78b0d250f3a6a2e0
sha1 ab52e828f9d13743448d4ed94405a9471fd3ff25
sha256 bce5b317aa9d71f27337e5a00f3778ddeee71dcf1cd73e05b2aff9bd169999f0
sha512 c7a64861679173a0b17df754c34cfaed705157d568921824e09d35ab88651c5f3a5924446eb50494b95bc4c6ab142d235b47a41c151d2f7fba0f46f914473579
ripemd-160 771c31f72680debedb5405e84756150e50977e9c

81208522 as geometric shapes

Circle

Radius = n
Diameter 162417044
Circumference 510248192.24817
Area 2.0718250772823E+16

Sphere

Radius = n
Volume 2.2433313649151E+24
Surface area 8.2873003091292E+16
Circumference 510248192.24817

Square

Length = n
Perimeter 324834088
Area 6594824045424484
Diagonal 114846193.19267

Cube

Length = n
Surface area 39568944272546904
Volume 5.3555591357898E+23
Space diagonal 140657286.11157

Equilateral Triangle

Length = n
Perimeter 243625566
Area 2.855642578413E+15
Altitude 70328643.055787

Triangular Pyramid

Length = n
Surface area 2.855642578413E+15
Volume 6.3115869699376E+22
Height 38282064.397558