81743946 (number)

81743946 is an even 8-digits composite number following 81743945 and preceding 81743947. In scientific notation, it is written as 8.1743946 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 26342400 positive integers (up to 81743946) that are relatively prime to 81743946.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred forty-three thousand nine hundred forty-six

Notation

Scientific notation 8.1743946 × 10^7
Engineering notation 8.1743946 × 10^6

Prime Factorization of 81743946

Prime Factorization 2 × 3 × 43 × 101 × 3137

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81743946
Product of the distinct prime numbers

The prime factorization of 81743946 is 2 × 3 × 43 × 101 × 3137. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 9, 94, 37, 132, 238, 1108, 1777, 76138, 68001, 214932, 507156, 8024186, 4108294, 28798775, 64083446, 964229513, 108295613, 8350308806, 9740186431

Basic calculations (n = 81743946)

Multiplication

n×y
n×2 163487892
n×3 245231838
n×4 326975784
n×5 408719730

Division

n÷y
n÷2 40871973
n÷3 27247982
n÷3 20435986.5
n÷5 16348789.2

Exponentiation

ny
n2 6682072707650916
n3 5.4621899058229E+23
n4 4.4650095670333E+31
n5 3.6498750093706E+39

Nth Root

y√n
2√n 9041.2358668492
3√n 433.99547306398
4√n 95.085413533566
5√n 38.237643487011

Divisors of 81743946

1, 2, 3, 6, 43, 86, 101, 129, 202, 258, 303, 606, 3137, 4343, 6274, 8686, 9411, 13029, 18822, 26058, 134891, 269782, 316837, 404673, 633674, 809346, 950511, 1901022, 13623991, 27247982, 40871973, 81743946

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81743945
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81743946 can be divided by 32 positive divisors. The sum of these divisors (counting 81743946) is 1, the average is 0.03125.

Base conversion 81743946

Base System Value
2 Binary 100110111110101000001001010
3 Ternary 12200211000121120
4 Quaternary 10313311001022
5 Quinary 131411301241
6 Senary 12040020110
8 Octal 467650112
10 Decimal 81743946
12 Duodecimal 23461636
16 Hexadecimal 4df504a
20 Vigesimal 15ahjh6
36 Base36 1co216

Cryptographic Hash Functions

md5 4d1329f630e1d39dc2a8e883082b4b6b
sha1 4a3f1ae6d7d562eb6c558b0fffcb763c0d307508
sha256 8840acd60af4bc86110cb70a67d66023f92240d9bc915c201fad664e0182ef47
sha512 2af35c473a35193ee257505f2fb1576eb10b02c72c0e45c9db14306f1bf45da335ad16ce692abc623253689cde9dadf9377fc98584979d85b80bc1a848b1bbd8
ripemd-160 3e321a3815a1a7b0d8310d624762b34e8144216e

81743946 as geometric shapes

Circle

Radius = n
Diameter 163487892
Circumference 513612360.45808
Area 2.0992350529109E+16

Sphere

Radius = n
Volume 2.2879967574194E+24
Surface area 8.3969402116436E+16
Circumference 513612360.45808

Square

Length = n
Perimeter 326975784
Area 6682072707650916
Diagonal 115603397.07509

Cube

Length = n
Surface area 40092436245905496
Volume 5.4621899058229E+23
Space diagonal 141584667.68317

Equilateral Triangle

Length = n
Perimeter 245231838
Area 2.8934223573802E+15
Altitude 70792333.841583

Triangular Pyramid

Length = n
Surface area 2.8934223573802E+15
Volume 6.4372525375601E+22
Height 38534465.691698