81874461 (number)

81874461 is an odd 8-digits composite number following 81874460 and preceding 81874462. In scientific notation, it is written as 8.1874461 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 54582972 positive integers (up to 81874461) that are relatively prime to 81874461.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1874461 × 10^7
Engineering notation 8.1874461 × 10^6

Prime Factorization of 81874461

Prime Factorization 3 × 27291487

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81874461
Product of the distinct prime numbers

The prime factorization of 81874461 is 3 × 27291487. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81874461)

Multiplication

n×y
n×2 163748922
n×3 245623383
n×4 327497844
n×5 409372305

Division

n÷y
n÷2 40937230.5
n÷3 27291487
n÷3 20468615.25
n÷5 16374892.2

Exponentiation

ny
n2 6703427364040521
n3 5.4883950228347E+23
n4 4.4935938424967E+31
n5 3.6791057380734E+39

Nth Root

y√n
2√n 9048.4507513718
3√n 434.22632726454
4√n 95.123344933679
5√n 38.249845985378

Divisors of 81874461

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81874460
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81874461 can be divided by 4 positive divisors. The sum of these divisors (counting 81874461) is 1, the average is 0.25.

Base conversion 81874461

Base System Value
2 Binary 100111000010100111000011101
3 Ternary 12201001122122110
4 Quaternary 10320110320131
5 Quinary 131424440321
6 Senary 12042504233
8 Octal 470247035
10 Decimal 81874461
12 Duodecimal 23505079
16 Hexadecimal 4e14e1d
20 Vigesimal 15be631
36 Base36 1cquql

Cryptographic Hash Functions

md5 190575660c9f02e100758de46994b87b
sha1 bb0a03e1a071a9e1848e55ad67794a597e071f86
sha256 538ea9a03fe9f21621dc8b281a3a9745d8fcbf3fa199cf06a6ca7cbb7959a0f3
sha512 7c0f305e27af8ac799f0c06ee9e29d6ab4c9330defc3aad46c95eb539c4e4daf4dbe73dac633ea7e88ee8a03c58d1a415cc1edfc18f2518209f05bd5627ccea3
ripemd-160 ff31f62f319d8575b44bff1d1fa78a14e190f6dd

81874461 as geometric shapes

Circle

Radius = n
Diameter 163748922
Circumference 514432410.38845
Area 2.1059438160742E+16

Sphere

Radius = n
Volume 2.2989735311648E+24
Surface area 8.423775264297E+16
Circumference 514432410.38845

Square

Length = n
Perimeter 327497844
Area 6703427364040521
Diagonal 115787973.15819

Cube

Length = n
Surface area 40220564184243126
Volume 5.4883950228347E+23
Space diagonal 141810726.29432

Equilateral Triangle

Length = n
Perimeter 245623383
Area 2.9026691948414E+15
Altitude 70905363.147158

Triangular Pyramid

Length = n
Surface area 2.9026691948414E+15
Volume 6.4681355641282E+22
Height 38595991.052729