81674865 (number)

81674865 is an odd 8-digits composite number following 81674864 and preceding 81674866. In scientific notation, it is written as 8.1674865 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 43348608 positive integers (up to 81674865) that are relatively prime to 81674865.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1674865 × 10^7
Engineering notation 8.1674865 × 10^6

Prime Factorization of 81674865

Prime Factorization 45 × 3 × 223 × 2713

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81674865
Product of the distinct prime numbers

The prime factorization of 81674865 is 45 × 3 × 223 × 2713. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 100, 35, 554, 275, 5449, 4128, 71798, 5198, 44827, 959095, 5846270, 2055348, 25153637, 82906421, 473333120, 694323427, 2723021454, 3033880974

Basic calculations (n = 81674865)

Multiplication

n×y
n×2 163349730
n×3 245024595
n×4 326699460
n×5 408374325

Division

n÷y
n÷2 40837432.5
n÷3 27224955
n÷3 20418716.25
n÷5 16334973

Exponentiation

ny
n2 6670783572768225
n3 5.4483534775006E+23
n4 4.4499353474714E+31
n5 3.6344786876346E+39

Nth Root

y√n
2√n 9037.4147298882
3√n 433.87318351548
4√n 95.065318228512
5√n 38.231178450388

Divisors of 81674865

1, 3, 45, 135, 223, 669, 2713, 8139, 10035, 30105, 122085, 366255, 604999, 1814997, 27224955, 81674865

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 -81674864
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 81674865 can be divided by 16 positive divisors. The sum of these divisors (counting 81674865) is 1, the average is 0.0625.

Base conversion 81674865

Base System Value
2 Binary 100110111100100001001110001
3 Ternary 12200200111212000
4 Quaternary 10313210021301
5 Quinary 131402043430
6 Senary 12034324213
8 Octal 467441161
10 Decimal 81674865
12 Duodecimal 23429669
16 Hexadecimal 4de4271
20 Vigesimal 15a9735
36 Base36 1cmkq9

Cryptographic Hash Functions

md5 e8f223ebb54aa62749a70841af557acb
sha1 bac41a3144ee282ff9f645c62db4ff2dbe44a881
sha256 a69b5fe93a64a168e8fbc2de4bba1b28399e0ddb6bfc87b8f32ec9c0ae425dcb
sha512 1b6d594b72ae5c012f62f6608acbc935ffeeb82c0ffc69bd5b6ec14f99c90261fa3784ce484aa42c0f89491a2ec7a0ae4fee0e82413f6297a6085aec1b233193
ripemd-160 9ba8158b513f93d4692dd01e05925e1893b9d001

81674865 as geometric shapes

Circle

Radius = n
Diameter 163349730
Circumference 513178311.73388
Area 2.0956884665896E+16

Sphere

Radius = n
Volume 2.2822009678768E+24
Surface area 8.3827538663585E+16
Circumference 513178311.73388

Square

Length = n
Perimeter 326699460
Area 6670783572768225
Diagonal 115505701.78799

Cube

Length = n
Surface area 40024701436609350
Volume 5.4483534775006E+23
Space diagonal 141465015.88133

Equilateral Triangle

Length = n
Perimeter 245024595
Area 2.8885340185826E+15
Altitude 70732507.940665

Triangular Pyramid

Length = n
Surface area 2.8885340185826E+15
Volume 6.4209461504033E+22
Height 38501900.595997