81330447 (number)

81330447 is an odd 8-digits composite number following 81330446 and preceding 81330448. In scientific notation, it is written as 8.1330447 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 49291160 positive integers (up to 81330447) that are relatively prime to 81330447.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330447 × 10^7
Engineering notation 8.1330447 × 10^6

Prime Factorization of 81330447

Prime Factorization 3 × 11 × 2464559

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330447
Product of the distinct prime numbers

The prime factorization of 81330447 is 3 × 11 × 2464559. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330447)

Multiplication

n×y
n×2 162660894
n×3 243991341
n×4 325321788
n×5 406652235

Division

n÷y
n÷2 40665223.5
n÷3 27110149
n÷3 20332611.75
n÷5 16266089.4

Exponentiation

ny
n2 6614641609219809
n3 5.3797175882265E+23
n4 4.3753483618422E+31
n5 3.5584903804934E+39

Nth Root

y√n
2√n 9018.3394813014
3√n 433.26245185146
4√n 94.96493816826
5√n 38.198880207801

Divisors of 81330447

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330446
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330447 can be divided by 8 positive divisors. The sum of these divisors (counting 81330447) is 1, the average is 0.125.

Base conversion 81330447

Base System Value
2 Binary 100110110010000000100001111
3 Ternary 12200001000101210
4 Quaternary 10312100010033
5 Quinary 131310033242
6 Senary 12023105503
8 Octal 466200417
10 Decimal 81330447
12 Duodecimal 232a2293
16 Hexadecimal 4d9010f
20 Vigesimal 1586627
36 Base36 1cf6z3

Cryptographic Hash Functions

md5 cbd85d79dda93332a1433dd5e65f7f8a
sha1 954eff879aaf940044bcb5215691190746a60a0e
sha256 6ce94cdadc950a18024f25fb299d2d143cc442ecc67c2b87af8a9cd933114d61
sha512 fde31ce0e08f1e6c7abad7df7eb7194b84dc6561ff39b123cefd05573dee8e5b3dc9b42aa2efad6e8117619827bd95dfde65bdcedd974e5d95088564999c05bb
ripemd-160 e1e075aa2f171dc424eacbb6d489fac4376838c1

81330447 as geometric shapes

Circle

Radius = n
Diameter 162660894
Circumference 511014269.61675
Area 2.0780509485654E+16

Sphere

Radius = n
Volume 2.253450833808E+24
Surface area 8.3122037942617E+16
Circumference 511014269.61675

Square

Length = n
Perimeter 325321788
Area 6614641609219809
Diagonal 115018621.18127

Cube

Length = n
Surface area 39687849655318854
Volume 5.3797175882265E+23
Space diagonal 140868466.40629

Equilateral Triangle

Length = n
Perimeter 243991341
Area 2.864223835257E+15
Altitude 70434233.203144

Triangular Pyramid

Length = n
Surface area 2.864223835257E+15
Volume 6.3400579791725E+22
Height 38339540.393755