81330452 (number)

81330452 is an even 8-digits composite number following 81330451 and preceding 81330453. In scientific notation, it is written as 8.1330452 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 34509600 positive integers (up to 81330452) that are relatively prime to 81330452.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand four hundred fifty-two

Notation

Scientific notation 8.1330452 × 10^7
Engineering notation 8.1330452 × 10^6

Prime Factorization of 81330452

Prime Factorization 2 × 2 × 7 × 101 × 28759

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40665226
Product of the distinct prime numbers

The prime factorization of 81330452 is 2 × 2 × 7 × 101 × 28759. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 8, 94, 13, 264, 632, 6961, 8079, 46088, 84873, 466638, 470416, 518868, 7976697, 42645579, 51502616, 448813830, 612137748, 5165366056, 5620889581

Basic calculations (n = 81330452)

Multiplication

n×y
n×2 162660904
n×3 243991356
n×4 325321808
n×5 406652260

Division

n÷y
n÷2 40665226
n÷3 27110150.666667
n÷3 20332613
n÷5 16266090.4

Exponentiation

ny
n2 6614642422524304
n3 5.3797185804228E+23
n4 4.3753494377858E+31
n5 3.5584914743307E+39

Nth Root

y√n
2√n 9018.3397585143
3√n 433.26246073011
4√n 94.964939627814
5√n 38.198880677476

Divisors of 81330452

1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 28759, 57518, 115036, 201313, 402626, 805252, 2904659, 5809318, 11618636, 20332613, 40665226, 81330452

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330451
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330452 can be divided by 24 positive divisors. The sum of these divisors (counting 81330452) is 1, the average is 0.041666666666667.

Base conversion 81330452

Base System Value
2 Binary 100110110010000000100010100
3 Ternary 12200001000101222
4 Quaternary 10312100010110
5 Quinary 131310033302
6 Senary 12023105512
8 Octal 466200424
10 Decimal 81330452
12 Duodecimal 232a2298
16 Hexadecimal 4d90114
20 Vigesimal 158662c
36 Base36 1cf6z8

Cryptographic Hash Functions

md5 3d4a4acd327b1384f286163f1c3a1e8d
sha1 2ee3d7c291b5b2bbd6a3e8c2864781ea96dee862
sha256 55123168b92f73521f2e8446908c22b15dff86b146ec01400102fef86d7eb9b1
sha512 f5de34ae2b93669490308b317b47ff4c55b551e4de16be9c365a522c807f14564f4b1bd9dccc6057e250312470d41aba46ba5952a5dd3c1a24725c2f9531a9f4
ripemd-160 08aa8dc9eae782b39c707bd33305f4fbd50b946b

81330452 as geometric shapes

Circle

Radius = n
Diameter 162660904
Circumference 511014301.03267
Area 2.0780512040726E+16

Sphere

Radius = n
Volume 2.2534512494182E+24
Surface area 8.3122048162903E+16
Circumference 511014301.03267

Square

Length = n
Perimeter 325321808
Area 6614642422524304
Diagonal 115018628.25233

Cube

Length = n
Surface area 39687854535145824
Volume 5.3797185804228E+23
Space diagonal 140868475.06654

Equilateral Triangle

Length = n
Perimeter 243991356
Area 2.8642241874281E+15
Altitude 70434237.533271

Triangular Pyramid

Length = n
Surface area 2.8642241874281E+15
Volume 6.340059148487E+22
Height 38339542.750778