81193744 (number)

81193744 is an even 8-digits composite number following 81193743 and preceding 81193745. In scientific notation, it is written as 8.1193744 × 10^7. The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors. There are 40360832 positive integers (up to 81193744) that are relatively prime to 81193744.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred ninety-three thousand seven hundred forty-four

Notation

Scientific notation 8.1193744 × 10^7
Engineering notation 8.1193744 × 10^6

Prime Factorization of 81193744

Prime Factorization 2 × 2 × 2 × 2 × 173 × 29333

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10149218
Product of the distinct prime numbers

The prime factorization of 81193744 is 2 × 2 × 2 × 2 × 173 × 29333. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 3, 7, 4, 207, 128, 4988, 3873, 83674, 26502, 370597, 219109, 2351404, 8773402, 41107206, 39615748, 637805349, 894747784, 6500643102, 2189622490

Basic calculations (n = 81193744)

Multiplication

n×y
n×2 162387488
n×3 243581232
n×4 324774976
n×5 405968720

Division

n÷y
n÷2 40596872
n÷3 27064581.333333
n÷3 20298436
n÷5 16238748.8

Exponentiation

ny
n2 6592424064737536
n3 5.3526359185174E+23
n4 4.3460055049331E+31
n5 3.5286845839013E+39

Nth Root

y√n
2√n 9010.7571269012
3√n 433.01956826371
4√n 94.925007910988
5√n 38.186030368364

Divisors of 81193744

1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 29333, 58666, 117332, 234664, 469328, 5074609, 10149218, 20298436, 40596872, 81193744

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81193743
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81193744 can be divided by 20 positive divisors. The sum of these divisors (counting 81193744) is 1, the average is 0.05.

Base conversion 81193744

Base System Value
2 Binary 100110101101110101100010000
3 Ternary 12122210001212201
4 Quaternary 10311232230100
5 Quinary 131241144434
6 Senary 12020132544
8 Octal 465565420
10 Decimal 81193744
12 Duodecimal 23237154
16 Hexadecimal 4d6eb10
20 Vigesimal 1579474
36 Base36 1cc9hs

Cryptographic Hash Functions

md5 664770eb18ef71449119b73f682c4db4
sha1 5360fa39c1f13b67109dcb5ed9afa3f4c27e6e34
sha256 92e3b7997927a6a8b14976e83aa75eb0cb4c264a83c09a60f0809fb6236cae83
sha512 924157ebc451e59d8d15d28d02ccf5eeb0325220a38153cf7aeccaaf0d54267f52c3f60b4997756acbb5e47e6d795e79106ee8feacae485a0defcb57a1f1b50d
ripemd-160 4050b4bfd209e4d13a6c2651e4d0b5629e6dd4d9

81193744 as geometric shapes

Circle

Radius = n
Diameter 162387488
Circumference 510155339.3357
Area 2.0710711011128E+16

Sphere

Radius = n
Volume 2.2421068905273E+24
Surface area 8.2842844044512E+16
Circumference 510155339.3357

Square

Length = n
Perimeter 324774976
Area 6592424064737536
Diagonal 114825293.94465

Cube

Length = n
Surface area 39554544388425216
Volume 5.3526359185174E+23
Space diagonal 140631689.86474

Equilateral Triangle

Length = n
Perimeter 243581232
Area 2.8546033562913E+15
Altitude 70315844.93237

Triangular Pyramid

Length = n
Surface area 2.8546033562913E+15
Volume 6.3081419253439E+22
Height 38275097.98155