81738111 (number)

81738111 is an odd 8-digits composite number following 81738110 and preceding 81738112. In scientific notation, it is written as 8.1738111 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 42497280 positive integers (up to 81738111) that are relatively prime to 81738111.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-eight thousand one hundred eleven

Notation

Scientific notation 8.1738111 × 10^7
Engineering notation 8.1738111 × 10^6

Prime Factorization of 81738111

Prime Factorization 3 × 7 × 13 × 71 × 4217

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81738111
Product of the distinct prime numbers

The prime factorization of 81738111 is 3 × 7 × 13 × 71 × 4217. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 8, 68, 75, 289, 156, 8810, 103, 12638, 39855, 581394, 968504, 7507429, 3762061, 29098938, 39207114, 897836570, 421928016, 9564337200, 19777944

Basic calculations (n = 81738111)

Multiplication

n×y
n×2 163476222
n×3 245214333
n×4 326952444
n×5 408690555

Division

n÷y
n÷2 40869055.5
n÷3 27246037
n÷3 20434527.75
n÷5 16347622.2

Exponentiation

ny
n2 6681118789848321
n3 5.4610202924881E+23
n4 4.4637348284064E+31
n5 3.6485725287885E+39

Nth Root

y√n
2√n 9040.9131729046
3√n 433.98514641201
4√n 95.083716654875
5√n 38.237097579867

Divisors of 81738111

1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2769, 4217, 6461, 12651, 19383, 29519, 54821, 88557, 164463, 299407, 383747, 898221, 1151241, 2095849, 3892291, 6287547, 11676873, 27246037, 81738111

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 -81738110
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 81738111 can be divided by 32 positive divisors. The sum of these divisors (counting 81738111) is 1, the average is 0.03125.

Base conversion 81738111

Base System Value
2 Binary 100110111110011100101111111
3 Ternary 12200210201121110
4 Quaternary 10313303211333
5 Quinary 131411104421
6 Senary 12035533103
8 Octal 467634577
10 Decimal 81738111
12 Duodecimal 2345a193
16 Hexadecimal 4df397f
20 Vigesimal 15ah55b
36 Base36 1cnxj3

Cryptographic Hash Functions

md5 101e9734d2785da69a9272c90b84f6b9
sha1 49651ca9c859f629a669a912391ca9af9a1dab0f
sha256 327179258fbdc3d3e61da8fdfe6eace4e2689d7645845815e520d836fc6b0275
sha512 983968752233c3bbd8466b0be5cc2c6a757b60337e75433f7c261c52cb134fb03020177c23c25b24ccf9f86968bedc6d39b72939a58fcc256ffe62a1da80bde0
ripemd-160 4757a2366c55a6e77bc048f7db76ebf6a6dfa4b8

81738111 as geometric shapes

Circle

Radius = n
Diameter 163476222
Circumference 513575698.07181
Area 2.0989353707948E+16

Sphere

Radius = n
Volume 2.2875068309314E+24
Surface area 8.3957414831793E+16
Circumference 513575698.07181

Square

Length = n
Perimeter 326952444
Area 6681118789848321
Diagonal 115595145.13896

Cube

Length = n
Surface area 40086712739089926
Volume 5.4610202924881E+23
Space diagonal 141574561.1667

Equilateral Triangle

Length = n
Perimeter 245214333
Area 2.8930092988551E+15
Altitude 70787280.583352

Triangular Pyramid

Length = n
Surface area 2.8930092988551E+15
Volume 6.4358741350261E+22
Height 38531715.046319