81244580 (number)

81244580 is an even 8-digits composite number following 81244579 and preceding 81244581. In scientific notation, it is written as 8.1244580 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 32417280 positive integers (up to 81244580) that are relatively prime to 81244580.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred forty-four thousand five hundred eighty

Notation

Scientific notation 8.1244580 × 10^7
Engineering notation 8.1244580 × 10^6

Prime Factorization of 81244580

Prime Factorization 2 × 2 × 421 × 5 × 9649

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40622290
Product of the distinct prime numbers

The prime factorization of 81244580 is 2 × 2 × 421 × 5 × 9649. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 2, 21, 75, 224, 362, 7991, 1210, 53447, 99802, 99473, 46295, 7392848, 686771, 70048146, 35911514, 318129288, 107573039, 6885938195, 824881097

Basic calculations (n = 81244580)

Multiplication

n×y
n×2 162489160
n×3 243733740
n×4 324978320
n×5 406222900

Division

n÷y
n÷2 40622290
n÷3 27081526.666667
n÷3 20311145
n÷5 16248916

Exponentiation

ny
n2 6600681779376400
n3 5.3626961887909E+23
n4 4.3568999952592E+31
n5 3.5397451021683E+39

Nth Root

y√n
2√n 9013.5775361396
3√n 433.10992165434
4√n 94.939862734994
5√n 38.190810882134

Divisors of 81244580

1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 9649, 19298, 38596, 48245, 96490, 192980, 4062229, 8124458, 16248916, 20311145, 40622290, 81244580

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 -81244579
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 81244580 can be divided by 24 positive divisors. The sum of these divisors (counting 81244580) is 1, the average is 0.041666666666667.

Base conversion 81244580

Base System Value
2 Binary 100110101111011000110100100
3 Ternary 12122212122121112
4 Quaternary 10311323012210
5 Quinary 131244311310
6 Senary 12021204152
8 Octal 465730644
10 Decimal 81244580
12 Duodecimal 23260658
16 Hexadecimal 4d7b1a4
20 Vigesimal 157fb90
36 Base36 1cdcpw

Cryptographic Hash Functions

md5 b19a87c1171fc69f87111e85524809f0
sha1 59bf046c291c5b096bb314e44d5c59212d9ea6ef
sha256 a0038b6b158bf9b45c3f06141b3e46d8f69f325ae229b4a5da3b64ee544fab9f
sha512 4d6b76ba66d75888564d3fb01bd75249d50379893170a154d6fbce699ba1937bda2468d9adee3b90bad36d15b3034602122b5cc5f9edb1786e31940a6d9231ff
ripemd-160 1a96c8bfd7af105502bc1643e6662b13b9796e46

81244580 as geometric shapes

Circle

Radius = n
Diameter 162489160
Circumference 510474751.34398
Area 2.0736653386773E+16

Sphere

Radius = n
Volume 2.2463209266853E+24
Surface area 8.2946613547092E+16
Circumference 510474751.34398

Square

Length = n
Perimeter 324978320
Area 6600681779376400
Diagonal 114897186.90531

Cube

Length = n
Surface area 39604090676258400
Volume 5.3626961887909E+23
Space diagonal 140719740.39959

Equilateral Triangle

Length = n
Perimeter 243733740
Area 2.8581790516185E+15
Altitude 70359870.199797

Triangular Pyramid

Length = n
Surface area 2.8581790516185E+15
Volume 6.3199980675621E+22
Height 38299062.301769