81874474 (number)

81874474 is an even 8-digits composite number following 81874473 and preceding 81874475. In scientific notation, it is written as 8.1874474 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 36866800 positive integers (up to 81874474) that are relatively prime to 81874474.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1874474 × 10^7
Engineering notation 8.1874474 × 10^6

Prime Factorization of 81874474

Prime Factorization 2 × 11 × 107 × 34781

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81874474
Product of the distinct prime numbers

The prime factorization of 81874474 is 2 × 11 × 107 × 34781. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81874474)

Multiplication

n×y
n×2 163748948
n×3 245623422
n×4 327497896
n×5 409372370

Division

n÷y
n÷2 40937237
n÷3 27291491.333333
n÷3 20468618.5
n÷5 16374894.8

Exponentiation

ny
n2 6703429492776676
n3 5.4883976371718E+23
n4 4.4935966964628E+31
n5 3.6791086589103E+39

Nth Root

y√n
2√n 9048.4514697267
3√n 434.22635024664
4√n 95.123348709593
5√n 38.249847200038

Divisors of 81874474

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81874473
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81874474 can be divided by 16 positive divisors. The sum of these divisors (counting 81874474) is 1, the average is 0.0625.

Base conversion 81874474

Base System Value
2 Binary 100111000010100111000101010
3 Ternary 12201001122122221
4 Quaternary 10320110320222
5 Quinary 131424440344
6 Senary 12042504254
8 Octal 470247052
10 Decimal 81874474
12 Duodecimal 2350508a
16 Hexadecimal 4e14e2a
20 Vigesimal 15be63e
36 Base36 1cquqy

Cryptographic Hash Functions

md5 e7490d26fed3ffed9da52b0a47408bcb
sha1 a15aa9bb260c0450c83edb460adab30ff79e8a1b
sha256 c04faacb70180e04265b59a18495a6143fd8c632f7ffb028f81492a1469821b0
sha512 96c4664486748bf136acbfb0410f95f92b4640a50468920a1514bd284c31ce2a5eb5a4cfca18bca413857dd4cfa021f75883efc08a0a1b575712a71e04d2ee1e
ripemd-160 9a6ec720aaccc82d17fc614905edeaaff229567b

81874474 as geometric shapes

Circle

Radius = n
Diameter 163748948
Circumference 514432492.06986
Area 2.1059444848364E+16

Sphere

Radius = n
Volume 2.2989746262558E+24
Surface area 8.4237779393457E+16
Circumference 514432492.06986

Square

Length = n
Perimeter 327497896
Area 6703429492776676
Diagonal 115787991.54296

Cube

Length = n
Surface area 40220576956660056
Volume 5.4883976371718E+23
Space diagonal 141810748.81098

Equilateral Triangle

Length = n
Perimeter 245623422
Area 2.9026701166112E+15
Altitude 70905374.405489

Triangular Pyramid

Length = n
Surface area 2.9026701166112E+15
Volume 6.468138645154E+22
Height 38595997.180988