81874418 (number)

81874418 is an even 8-digits composite number following 81874417 and preceding 81874419. In scientific notation, it is written as 8.1874418 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 40243300 positive integers (up to 81874418) that are relatively prime to 81874418.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred seventy-four thousand four hundred eighteen

Notation

Scientific notation 8.1874418 × 10^7
Engineering notation 8.1874418 × 10^6

Prime Factorization of 81874418

Prime Factorization 2 × 59 × 693851

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81874418
Product of the distinct prime numbers

The prime factorization of 81874418 is 2 × 59 × 693851. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81874418)

Multiplication

n×y
n×2 163748836
n×3 245623254
n×4 327497672
n×5 409372090

Division

n÷y
n÷2 40937209
n÷3 27291472.666667
n÷3 20468604.5
n÷5 16374883.6

Exponentiation

ny
n2 6703420322838724
n3 5.4883863754179E+23
n4 4.4935844024647E+31
n5 3.6790960768568E+39

Nth Root

y√n
2√n 9048.4483752741
3√n 434.2262512468
4√n 95.123332444117
5√n 38.249841967657

Divisors of 81874418

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 -81874417
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 81874418 can be divided by 8 positive divisors. The sum of these divisors (counting 81874418) is 1, the average is 0.125.

Base conversion 81874418

Base System Value
2 Binary 100111000010100110111110010
3 Ternary 12201001122120212
4 Quaternary 10320110313302
5 Quinary 131424440133
6 Senary 12042504122
8 Octal 470246762
10 Decimal 81874418
12 Duodecimal 23505042
16 Hexadecimal 4e14df2
20 Vigesimal 15be60i
36 Base36 1cqupe

Cryptographic Hash Functions

md5 268754200b7a1eeeafdbee1bd819feff
sha1 86426d8a21178761119ffa6325e420bb7d604d21
sha256 76d6b8373a6fc858b0de3c3b122354b71dc2ced5697c2b18b1dbc5f7a8a43c09
sha512 70bb022b1670b36694f4cf914b8e7ba25392b8f659939187ef0ae5263ba25cc607b2bdec6d3da76b7feeee132440959fe176ce2a821a427052005ea235746cfa
ripemd-160 2711255c760a4d1ecae85956816148c98c3b9b39

81874418 as geometric shapes

Circle

Radius = n
Diameter 163748836
Circumference 514432140.21148
Area 2.1059416040155E+16

Sphere

Radius = n
Volume 2.2989699089434E+24
Surface area 8.4237664160619E+16
Circumference 514432140.21148

Square

Length = n
Perimeter 327497672
Area 6703420322838724
Diagonal 115787912.347

Cube

Length = n
Surface area 40220521937032344
Volume 5.4883863754179E+23
Space diagonal 141810651.81613

Equilateral Triangle

Length = n
Perimeter 245623254
Area 2.9026661459116E+15
Altitude 70905325.908066

Triangular Pyramid

Length = n
Surface area 2.9026661459116E+15
Volume 6.4681253730498E+22
Height 38595970.782335