81874442 (number)

81874442 is an even 8-digits composite number following 81874441 and preceding 81874443. In scientific notation, it is written as 8.1874442 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 37588080 positive integers (up to 81874442) that are relatively prime to 81874442.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred seventy-four thousand four hundred forty-two

Notation

Scientific notation 8.1874442 × 10^7
Engineering notation 8.1874442 × 10^6

Prime Factorization of 81874442

Prime Factorization 2 × 2483 × 16487

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81874442
Product of the distinct prime numbers

The prime factorization of 81874442 is 2 × 2483 × 16487. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81874442)

Multiplication

n×y
n×2 163748884
n×3 245623326
n×4 327497768
n×5 409372210

Division

n÷y
n÷2 40937221
n÷3 27291480.666667
n÷3 20468610.5
n÷5 16374888.4

Exponentiation

ny
n2 6703424252811364
n3 5.488391201882E+23
n4 4.493589671318E+31
n5 3.6791014691612E+39

Nth Root

y√n
2√n 9048.4497014682
3√n 434.22629367531
4√n 95.123339415036
5√n 38.249844210107

Divisors of 81874442

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 -81874441
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 81874442 can be divided by 8 positive divisors. The sum of these divisors (counting 81874442) is 1, the average is 0.125.

Base conversion 81874442

Base System Value
2 Binary 100111000010100111000001010
3 Ternary 12201001122121202
4 Quaternary 10320110320022
5 Quinary 131424440232
6 Senary 12042504202
8 Octal 470247012
10 Decimal 81874442
12 Duodecimal 23505062
16 Hexadecimal 4e14e0a
20 Vigesimal 15be622
36 Base36 1cquq2

Cryptographic Hash Functions

md5 fdbe0812e8effae58661566749c395f7
sha1 27f0551f54a4f92738f3d37cecfedc1dda0ee3e7
sha256 177b9acd450c134553fd01716dbc4a46ac4a562fc6f7770e147d325c86ec940a
sha512 8669f2e47073c112edc8258a16855c65b6c97c6139e096e293c077860f00d2a1db8f1aae4720f057fd05f7f03c8acad98c2fb2431faa7a02fea330cc7b49fce4
ripemd-160 6f7f03a2d1f921b5397d0bc622d72bb3dcdc8435

81874442 as geometric shapes

Circle

Radius = n
Diameter 163748884
Circumference 514432291.00793
Area 2.1059428386528E+16

Sphere

Radius = n
Volume 2.2989719306479E+24
Surface area 8.4237713546111E+16
Circumference 514432291.00793

Square

Length = n
Perimeter 327497768
Area 6703424252811364
Diagonal 115787946.28813

Cube

Length = n
Surface area 40220545516868184
Volume 5.488391201882E+23
Space diagonal 141810693.38535

Equilateral Triangle

Length = n
Perimeter 245623326
Area 2.9026678476397E+15
Altitude 70905346.692676

Triangular Pyramid

Length = n
Surface area 2.9026678476397E+15
Volume 6.4681310610922E+22
Height 38595982.096043