81330884 (number)

81330884 is an even 8-digits composite number following 81330883 and preceding 81330885. In scientific notation, it is written as 8.1330884 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 39566304 positive integers (up to 81330884) that are relatively prime to 81330884.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand eight hundred eighty-four

Notation

Scientific notation 8.1330884 × 10^7
Engineering notation 8.1330884 × 10^6

Prime Factorization of 81330884

Prime Factorization 2 × 2 × 37 × 549533

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40665442
Product of the distinct prime numbers

The prime factorization of 81330884 is 2 × 2 × 37 × 549533. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 95, 50, 914, 83, 8325, 9738, 72603, 36002, 638710, 115330, 6512474, 4005134, 19823189, 30218789, 591948661, 952412788, 422765235, 5702182283

Basic calculations (n = 81330884)

Multiplication

n×y
n×2 162661768
n×3 243992652
n×4 325323536
n×5 406654420

Division

n÷y
n÷2 40665442
n÷3 27110294.666667
n÷3 20332721
n÷5 16266176.8

Exponentiation

ny
n2 6614712692221456
n3 5.3798043066439E+23
n4 4.3754424000636E+31
n5 3.5585859828825E+39

Nth Root

y√n
2√n 9018.3637096759
3√n 433.26322784356
4√n 94.965065733015
5√n 38.19892125731

Divisors of 81330884

1, 2, 4, 37, 74, 148, 549533, 1099066, 2198132, 20332721, 40665442, 81330884

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330883
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330884 can be divided by 12 positive divisors. The sum of these divisors (counting 81330884) is 1, the average is 0.083333333333333.

Base conversion 81330884

Base System Value
2 Binary 100110110010000001011000100
3 Ternary 12200001000222222
4 Quaternary 10312100023010
5 Quinary 131310042014
6 Senary 12023111512
8 Octal 466201304
10 Decimal 81330884
12 Duodecimal 232a2598
16 Hexadecimal 4d902c4
20 Vigesimal 1586744
36 Base36 1cf7b8

Cryptographic Hash Functions

md5 421f4885e2a08682c585a12f78197927
sha1 d59147d2d40a6e2fa3d2de7a253f6294996d77de
sha256 f60a3f781466a19c0469163a9d915a83a1ffed00d175e014b47365d3f3d35e04
sha512 b67499721f3772a55f65ab1ed6147260ce880354e233584feec1584619e9ec3014c4aea2ccb56fdd1a4323169c0b33c336d681c652a4f1070576fa19632091cf
ripemd-160 7bda0d07f4f68d9d16c646f30585f973e0580a60

81330884 as geometric shapes

Circle

Radius = n
Diameter 162661768
Circumference 511017015.36873
Area 2.078073279949E+16

Sphere

Radius = n
Volume 2.2534871583338E+24
Surface area 8.312293119796E+16
Circumference 511017015.36873

Square

Length = n
Perimeter 325323536
Area 6614712692221456
Diagonal 115019239.19259

Cube

Length = n
Surface area 39688276153328736
Volume 5.3798043066439E+23
Space diagonal 140869223.31249

Equilateral Triangle

Length = n
Perimeter 243992652
Area 2.8642546150996E+15
Altitude 70434611.656245

Triangular Pyramid

Length = n
Surface area 2.8642546150996E+15
Volume 6.3401601778075E+22
Height 38339746.397531