81843669 (number)

81843669 is an odd 8-digits composite number following 81843668 and preceding 81843670. In scientific notation, it is written as 8.1843669 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 54562428 positive integers (up to 81843669) that are relatively prime to 81843669.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred forty-three thousand six hundred sixty-nine

Notation

Scientific notation 8.1843669 × 10^7
Engineering notation 8.1843669 × 10^6

Prime Factorization of 81843669

Prime Factorization 9 × 3 × 3031247

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81843669
Product of the distinct prime numbers

The prime factorization of 81843669 is 9 × 3 × 3031247. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81843669)

Multiplication

n×y
n×2 163687338
n×3 245531007
n×4 327374676
n×5 409218345

Division

n÷y
n÷2 40921834.5
n÷3 27281223
n÷3 20460917.25
n÷5 16368733.8

Exponentiation

ny
n2 6698386155381561
n3 5.4822049933523E+23
n4 4.4868377086607E+31
n5 3.6721926028435E+39

Nth Root

y√n
2√n 9046.749084616
3√n 434.17188467262
4√n 95.114399985575
5√n 38.246968491068

Divisors of 81843669

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 -81843668
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 81843669 can be divided by 8 positive divisors. The sum of these divisors (counting 81843669) is 1, the average is 0.125.

Base conversion 81843669

Base System Value
2 Binary 100111000001101010111010101
3 Ternary 12201000002102000
4 Quaternary 10320031113111
5 Quinary 131422444134
6 Senary 12042105513
8 Octal 470152725
10 Decimal 81843669
12 Duodecimal 234ab299
16 Hexadecimal 4e0d5d5
20 Vigesimal 15ba939
36 Base36 1cq6z9

Cryptographic Hash Functions

md5 2a24a35630fe4e74b7b7a6fcd88e6d7f
sha1 6dfe51aa62c0fd72f4d57cfa38602ac7b12ec28a
sha256 fc768fc89eb4b2974f5d63c680f0fefb2e9731690dff7073afde48c069e56db3
sha512 8741751fca69885b7b084b40cf98817a9f9cd2f17a3d8fb00e1c7b6ff2dea2df58cec61f91138281ef023f8ee9950ff73b120bb035e6155de0ee1f9c5e8d8239
ripemd-160 53d87b3673c08dea4919abbe0966d64e59a03014

81843669 as geometric shapes

Circle

Radius = n
Diameter 163687338
Circumference 514238938.54647
Area 2.1043600736654E+16

Sphere

Radius = n
Volume 2.2963806576785E+24
Surface area 8.4174402946617E+16
Circumference 514238938.54647

Square

Length = n
Perimeter 327374676
Area 6698386155381561
Diagonal 115744426.69417

Cube

Length = n
Surface area 40190316932289366
Volume 5.4822049933523E+23
Space diagonal 141757392.98585

Equilateral Triangle

Length = n
Perimeter 245531007
Area 2.9004862874592E+15
Altitude 70878696.492925

Triangular Pyramid

Length = n
Surface area 2.9004862874592E+15
Volume 6.4608405444236E+22
Height 38581475.564725