81738148 (number)

81738148 is an even 8-digits composite number following 81738147 and preceding 81738149. In scientific notation, it is written as 8.1738148 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors. There are 40869072 positive integers (up to 81738148) that are relatively prime to 81738148.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-eight thousand one hundred forty-eight

Notation

Scientific notation 8.1738148 × 10^7
Engineering notation 8.1738148 × 10^6

Prime Factorization of 81738148

Prime Factorization 2 × 2 × 20434537

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 40869074
Product of the distinct prime numbers

The prime factorization of 81738148 is 2 × 2 × 20434537. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 58, 19, 581, 686, 4546, 8378, 36382, 30816, 978551, 741326, 8708644, 5984627, 2251857, 52234996, 304617878, 341794562, 6442438439, 4015883840

Basic calculations (n = 81738148)

Multiplication

n×y
n×2 163476296
n×3 245214444
n×4 326952592
n×5 408690740

Division

n÷y
n÷2 40869074
n÷3 27246049.333333
n÷3 20434537
n÷5 16347629.6

Exponentiation

ny
n2 6681124838469904
n3 5.4610277085333E+23
n4 4.463742910722E+31
n5 3.6485807867054E+39

Nth Root

y√n
2√n 9040.9152191578
3√n 433.98521189533
4√n 95.083727415146
5√n 38.237101041587

Divisors of 81738148

1, 2, 4, 20434537, 40869074, 81738148

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81738147
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81738148 can be divided by 6 positive divisors. The sum of these divisors (counting 81738148) is 1, the average is 0.16666666666667.

Base conversion 81738148

Base System Value
2 Binary 100110111110011100110100100
3 Ternary 12200210201122211
4 Quaternary 10313303212210
5 Quinary 131411110043
6 Senary 12035533204
8 Octal 467634644
10 Decimal 81738148
12 Duodecimal 2345a204
16 Hexadecimal 4df39a4
20 Vigesimal 15ah578
36 Base36 1cnxk4

Cryptographic Hash Functions

md5 d0e415e6f2554f7f20e13e7809d1f181
sha1 4da487d2c0def8cef9e79868607555139418a394
sha256 ad607e412ddfa58bbf9573a07d0ab147103cbff3bc7f927fba9e738bb7f03e30
sha512 da938d8021361caaf4a4df85f08bdfbd58b8117511bbd9a3dcd4d7e5819746846fcd9c9fea87ab64488f3648814e19ef02d6151e96a3e1b0a446515bf2f166a8
ripemd-160 e98d0035ee7222a921df6fa8a60e67dc91864434

81738148 as geometric shapes

Circle

Radius = n
Diameter 163476296
Circumference 513575930.54967
Area 2.0989372710253E+16

Sphere

Radius = n
Volume 2.2875099373571E+24
Surface area 8.3957490841013E+16
Circumference 513575930.54967

Square

Length = n
Perimeter 326952592
Area 6681124838469904
Diagonal 115595197.46486

Cube

Length = n
Surface area 40086749030819424
Volume 5.4610277085333E+23
Space diagonal 141574625.25258

Equilateral Triangle

Length = n
Perimeter 245214444
Area 2.8930119179851E+15
Altitude 70787312.626292

Triangular Pyramid

Length = n
Surface area 2.8930119179851E+15
Volume 6.4358828749192E+22
Height 38531732.488286