81736688 (number)

81736688 is an even 8-digits composite number following 81736687 and preceding 81736689. In scientific notation, it is written as 8.1736688 × 10^7. The sum of its digits is 47. It has a total of 6 prime factors and 20 positive divisors. There are 37152960 positive integers (up to 81736688) that are relatively prime to 81736688.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1736688 × 10^7
Engineering notation 8.1736688 × 10^6

Prime Factorization of 81736688

Prime Factorization 2 × 2 × 2 × 2 × 11 × 464413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10217086
Product of the distinct prime numbers

The prime factorization of 81736688 is 2 × 2 × 2 × 2 × 11 × 464413. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 6, 23, 81, 311, 225, 5868, 6840, 79428, 87367, 121724, 376265, 7302454, 2960672, 99908065, 95248946, 800792538, 707785454, 4509199870, 1177084082

Basic calculations (n = 81736688)

Multiplication

n×y
n×2 163473376
n×3 245210064
n×4 326946752
n×5 408683440

Division

n÷y
n÷2 40868344
n÷3 27245562.666667
n÷3 20434172
n÷5 16347337.6

Exponentiation

ny
n2 6680886165209344
n3 5.4607350804923E+23
n4 4.4634239952486E+31
n5 3.6482549451135E+39

Nth Root

y√n
2√n 9040.8344747595
3√n 433.98262794403
4√n 95.083302817895
5√n 38.236964443028

Divisors of 81736688

1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 464413, 928826, 1857652, 3715304, 5108543, 7430608, 10217086, 20434172, 40868344, 81736688

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81736687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81736688 can be divided by 20 positive divisors. The sum of these divisors (counting 81736688) is 1, the average is 0.05.

Base conversion 81736688

Base System Value
2 Binary 100110111110011001111110000
3 Ternary 12200210122122202
4 Quaternary 10313303033300
5 Quinary 131411033223
6 Senary 12035522332
8 Octal 467631760
10 Decimal 81736688
12 Duodecimal 234593a8
16 Hexadecimal 4df33f0
20 Vigesimal 15ah1e8
36 Base36 1cnwfk

Cryptographic Hash Functions

md5 291482d3d44fe5e070a77f9a3a68b65f
sha1 d13f627be83ab9d944908fecf0330366bb64f1bc
sha256 4b986b7e9641a3f98b2f1205ce9b5e481567022cef7c6e426922a1639c4a9b31
sha512 d335c37f7e3681c7956159d321a1fe958c2753c5ece387aebe6c3522d643de9ba8d57978732eb337cf0f9a10d49b26943a5889166f3eea99054336a3ee3c7278
ripemd-160 b8302fc01ca9df1a82fd434e06d114010fbb2912

81736688 as geometric shapes

Circle

Radius = n
Diameter 163473376
Circumference 513566757.09912
Area 2.0988622896091E+16

Sphere

Radius = n
Volume 2.28738736161E+24
Surface area 8.3954491584365E+16
Circumference 513566757.09912

Square

Length = n
Perimeter 326946752
Area 6680886165209344
Diagonal 115593132.71306

Cube

Length = n
Surface area 40085316991256064
Volume 5.4607350804923E+23
Space diagonal 141572096.45841

Equilateral Triangle

Length = n
Perimeter 245210064
Area 2.8929085694316E+15
Altitude 70786048.229203

Triangular Pyramid

Length = n
Surface area 2.8929085694316E+15
Volume 6.4355380094657E+22
Height 38531044.237686