81750448 (number)

81750448 is an even 8-digits composite number following 81750447 and preceding 81750449. In scientific notation, it is written as 8.1750448 × 10^7. The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors. There are 37730880 positive integers (up to 81750448) that are relatively prime to 81750448.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred fifty thousand four hundred forty-eight

Notation

Scientific notation 8.1750448 × 10^7
Engineering notation 8.1750448 × 10^6

Prime Factorization of 81750448

Prime Factorization 2 × 2 × 2 × 2 × 13 × 393031

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10218806
Product of the distinct prime numbers

The prime factorization of 81750448 is 2 × 2 × 2 × 2 × 13 × 393031. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81750448)

Multiplication

n×y
n×2 163500896
n×3 245251344
n×4 327001792
n×5 408752240

Division

n÷y
n÷2 40875224
n÷3 27250149.333333
n÷3 20437612
n÷5 16350089.6

Exponentiation

ny
n2 6683135748200704
n3 5.4634934146022E+23
n4 4.4664303428878E+31
n5 3.6513268149187E+39

Nth Root

y√n
2√n 9041.5954344352
3√n 434.00697957869
4√n 95.087304275782
5√n 38.238251760187

Divisors of 81750448

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 -81750447
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 81750448 can be divided by 20 positive divisors. The sum of these divisors (counting 81750448) is 1, the average is 0.05.

Base conversion 81750448

Base System Value
2 Binary 100110111110110100110110000
3 Ternary 12200211100112101
4 Quaternary 10313312212300
5 Quinary 131412003243
6 Senary 12040110144
8 Octal 467664660
10 Decimal 81750448
12 Duodecimal 23465354
16 Hexadecimal 4df69b0
20 Vigesimal 15aig28
36 Base36 1co71s

Cryptographic Hash Functions

md5 1c2b1d8e9e753137ec52d405c7dae80f
sha1 5999ec4fbf5f639405f8f046a3dcb84393bfa210
sha256 85e9bc4a19e459b5ea6bc139f0134c8ee02a5f5c321d0927b899e989128431dd
sha512 bdd472b7700a4363728a5862882f4f50455380135550f29209666765272e769ffa681d508bb689e45ae6f0f33d8dd5c2f5e3e02e252f68fc0c8ccd6f7aec7405
ripemd-160 f4e9f7618e2cd8c0862dd64f28dc123c76d2f711

81750448 as geometric shapes

Circle

Radius = n
Diameter 163500896
Circumference 513653213.72895
Area 2.0995690169491E+16

Sphere

Radius = n
Volume 2.2885427699001E+24
Surface area 8.3982760677963E+16
Circumference 513653213.72895

Square

Length = n
Perimeter 327001792
Area 6683135748200704
Diagonal 115612592.29168

Cube

Length = n
Surface area 40098814489204224
Volume 5.4634934146022E+23
Space diagonal 141595929.47752

Equilateral Triangle

Length = n
Perimeter 245251344
Area 2.8938826674409E+15
Altitude 70797964.738759

Triangular Pyramid

Length = n
Surface area 2.8938826674409E+15
Volume 6.4387887373888E+22
Height 38537530.763892