81332904 (number)

81332904 is an even 8-digits composite number following 81332903 and preceding 81332905. In scientific notation, it is written as 8.1332904 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 26980800 positive integers (up to 81332904) that are relatively prime to 81332904.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty-two thousand nine hundred four

Notation

Scientific notation 8.1332904 × 10^7
Engineering notation 8.1332904 × 10^6

Prime Factorization of 81332904

Prime Factorization 2 × 2 × 2 × 3 × 211 × 16061

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20333226
Product of the distinct prime numbers

The prime factorization of 81332904 is 2 × 2 × 2 × 3 × 211 × 16061. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81332904)

Multiplication

n×y
n×2 162665808
n×3 243998712
n×4 325331616
n×5 406664520

Division

n÷y
n÷2 40666452
n÷3 27110968
n÷3 20333226
n÷5 16266580.8

Exponentiation

ny
n2 6615041273073216
n3 5.380205168189E+23
n4 4.3758771044462E+31
n5 3.5590279245172E+39

Nth Root

y√n
2√n 9018.4757026895
3√n 433.2668147732
4√n 94.965655384931
5√n 38.199111003322

Divisors of 81332904

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81332903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81332904 can be divided by 32 positive divisors. The sum of these divisors (counting 81332904) is 1, the average is 0.03125.

Base conversion 81332904

Base System Value
2 Binary 100110110010000101010101000
3 Ternary 12200001010202210
4 Quaternary 10312100222220
5 Quinary 131310123104
6 Senary 12023125120
8 Octal 466205250
10 Decimal 81332904
12 Duodecimal 232a37a0
16 Hexadecimal 4d90aa8
20 Vigesimal 1586c54
36 Base36 1cf8vc

Cryptographic Hash Functions

md5 e8430005a603768f090ae74329b5d8e3
sha1 691e7bd3041b484303ecbfdb490b698a404e5254
sha256 356798ec02db39e3b389e217397f2feb27570d28fa316d67215078d963448747
sha512 4c846b1b25b8d83d3c418b5666bc9380686d82522bfee92f63d1e94fcbef3bdbd327f8486c6f5c0e7f4c35c927346d3d2cb8ab46452307b19122a945c9f6363f
ripemd-160 61a915ccbe4c1568b4bab9c2e86e5a1837909be7

81332904 as geometric shapes

Circle

Radius = n
Diameter 162665808
Circumference 511029707.40305
Area 2.078176506668E+16

Sphere

Radius = n
Volume 2.2536550708251E+24
Surface area 8.312706026672E+16
Circumference 511029707.40305

Square

Length = n
Perimeter 325331616
Area 6615041273073216
Diagonal 115022095.90399

Cube

Length = n
Surface area 39690247638439296
Volume 5.380205168189E+23
Space diagonal 140872722.05512

Equilateral Triangle

Length = n
Perimeter 243998712
Area 2.864396894782E+15
Altitude 70436361.027561

Triangular Pyramid

Length = n
Surface area 2.864396894782E+15
Volume 6.3406325976689E+22
Height 38340698.634663