81248832 (number)

81248832 is an even 8-digits composite number following 81248831 and preceding 81248833. In scientific notation, it is written as 8.1248832 × 10^7. The sum of its digits is 36. It has a total of 10 prime factors and 84 positive divisors. There are 23203584 positive integers (up to 81248832) that are relatively prime to 81248832.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1248832 × 10^7
Engineering notation 8.1248832 × 10^6

Prime Factorization of 81248832

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 9 × 9 × 7 × 2239

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 282114
Product of the distinct prime numbers

The prime factorization of 81248832 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 9 × 7 × 2239. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81248832)

Multiplication

n×y
n×2 162497664
n×3 243746496
n×4 324995328
n×5 406244160

Division

n÷y
n÷2 40624416
n÷3 27082944
n÷3 20312208
n÷5 16249766.4

Exponentiation

ny
n2 6601372701364224
n3 5.3635382158253E+23
n4 4.3578121542317E+31
n5 3.5406714760673E+39

Nth Root

y√n
2√n 9013.8133994442
3√n 433.11747724045
4√n 94.941104899007
5√n 38.191210623086

Divisors of 81248832

84 divisors

τ Total Divisors 84
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81248831
Sum of the proper positive divisors of n
A Arithmetic Mean 0.011904761904762
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 84
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81248832 can be divided by 84 positive divisors. The sum of these divisors (counting 81248832) is 1, the average is 0.011904761904762.

Base conversion 81248832

Base System Value
2 Binary 100110101111100001001000000
3 Ternary 12122212212110000
4 Quaternary 10311330021000
5 Quinary 131244430312
6 Senary 12021240000
8 Octal 465741100
10 Decimal 81248832
12 Duodecimal 23263000
16 Hexadecimal 4d7c240
20 Vigesimal 157g21c
36 Base36 1cdg00

Cryptographic Hash Functions

md5 6b2fe50c8632a7006466705b33d600d2
sha1 ae15da2d0702a5b3c7410f8201920ede1c76e724
sha256 bae44d5b6f6c88d6f19d186ee39ae443ba49e4f56c2010c7cfcb7ca85145c47c
sha512 110a0aefdcc2887e15c403755575c10cdbb1a1c4077ac0fd06102c11bb0f2103e6d7a7f114ef91315b94c1b21a17210d8fccb43129bfd668d552170ca7aced2f
ripemd-160 2c4fde7d988cdb554501dd4f6ced10a02bd108ab

81248832 as geometric shapes

Circle

Radius = n
Diameter 162497664
Circumference 510501467.4479
Area 2.0738823982214E+16

Sphere

Radius = n
Volume 2.2466736341446E+24
Surface area 8.2955295928856E+16
Circumference 510501467.4479

Square

Length = n
Perimeter 324995328
Area 6601372701364224
Diagonal 114903200.14137

Cube

Length = n
Surface area 39608236208185344
Volume 5.3635382158253E+23
Space diagonal 140727105.07963

Equilateral Triangle

Length = n
Perimeter 243746496
Area 2.8584782296153E+15
Altitude 70363552.539814

Triangular Pyramid

Length = n
Surface area 2.8584782296153E+15
Volume 6.3209904059388E+22
Height 38301066.713791